Service Manual2011 Aveo Diagnostic Trouble Code (DTC) P0973

Aveo

Diagnostic Trouble Code (DTC) P0973

Shift Solenoid 1 (SS1) Electrical (Ground Short)

Conditions for Running the DTC

No emergency mode.
TCM detects the OFF signal (12V) of the Shift Solenoid 1(SS1) monitor, when SS1 driver outputs the ON signal (0V) for 0.5 seconds continuously.

Conditions for Setting the DTC

Above detection continuously occurs 1 time.

Action Taken When the DTC Sets

TCM will request the illumination of MIL and store DTC when TCM detects a failure on the first ignition cycle.
No lockup control
No engine torque reduction control
No engagement pressure control
No timing solenoid control for N-D
No self-learning control
After failure decision : emergency mode

TCM Shifting Pattern (Range : D)

Normal			SS1 FAIL
Gear	SS1	SS2	Gear	SS1	SS2
1 st	ON	ON	3 rd	FAIL	OFF
2 nd	ON	OFF	3 rd	FAIL	OFF
3 rd	OFF	OFF	3 rd	FAIL	OFF
4 th	OFF	ON	4 th	FAIL	ON

Conditions for Clearing the DTC

The TCM turns off the MIL when no further failures detected for three consecutive ignition cycles.
The scan tool can clear the DTC from the TCM history.
The TCM clears the DTC from the TCM history memory after forty consecutive warm up cycles without fault.
TCM detects the ON signal of the SS1 monitor, when SS1 driver outputs the ON signal for 1000ms continuously.

Cause of Failure

Wiring harness or connector between Shift Solenoid 1 (SS1) and TCM
SS1
TCM

DTC 0973 - Shift Solenoid 1 (SS1) Electrical (Ground Short)

Step	Action	Value(s)	Yes	No
1	Turn the ignition OFF. Install the Scan tool. With the engine OFF, turn the ignition switch to the ON position. Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu. Store Freeze Frame/Failure Records. Select Clear DTC Information from the Diagnostic Trouble Codes Information menu. Clear DTC Information. Perform one vehicle drive cycle. Is the Hold/Malfunction Indicator Lamp (MIL) ON?	-	Go to Step 2	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
2	Select Request DTC by Status from the Diagnostic Trouble Codes Information menu. Request DTC by Status. Is DTC P0973 displayed?	-	Go to Step 3	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
3	Turn the ignition OFF. Inspect the resistance between the vehicle harness and shift solenoid(SS) 1. Refer to "Unit Inspection" in this section. Disconnect the TCM connector (X-1) and inspect the resistance between the terminal A16 and A23. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 4	Go to Step 5
4	Inspect the vehicle side wiring harness and connector. Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the inspection OK?	-	Go to Step 6	Replace the vehicle harness or adjustment between the connectors.
5	Inspect the resistance between T/M wire and SS1. Disconnect the connector (X-3) of T/M wire and inspect the resistance between SS1 connector terminal 5 and ground. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 7	Go to Step 8
6	Clean the connector. Is the failure resolved?	-	System OK	Go to Step 10
7	Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the vehicle harness or adjustment between the connectors.
8	Inspect the SS1. Refer to "Unit Inspection" in this section. Is the inspection OK?	-	Go to Step 9	Replace the SS1.
9	Inspect the continuity and short circuit for the T/M wire. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the connectors(C-6). Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the T/M wire.
10	Replace the TCM. Is the replacement completed?	-	Perform the transmission adaptive learn procedure. Refer to "Transmission Adaptive Learn Procedure" in this section.	-

Diagnostic Trouble Code (DTC) P0974

Shift Solenoid 1 (SS1) Electrical (Open or Power Short)

Conditions for Running the DTC

No emergency mode.
TCM detects the ON signal (12V) of the Shift Solenoid 1(SS1) monitor, when SS1 driver outputs the OFF signal (0V) for 0.5 seconds continuously.

Conditions for Setting the DTC

Above detection continuously occurs 1 time.

Action Taken When the DTC Sets

TCM will request the illumination of MIL and store DTC when TCM detects a failure on the first ignition cycle.
No lockup control
No engine torque reduction control
No engagement pressure control
No timing solenoid control for N-D
No self-learning control
After failure decision : emergency mode

TCM Shifting Pattern (Range : D)

Normal			SS1 FAIL
Gear	SS1	SS2	Gear	SS1	SS2
1 st	ON	ON	3 rd	FAIL	OFF
2 nd	ON	OFF	3 rd	FAIL	OFF
3 rd	OFF	OFF	3 rd	FAIL	OFF
4 th	OFF	ON	4 th	FAIL	ON

Conditions for Clearing the DTC

The TCM turns off the MIL when no further failures detected for three consecutive ignition cycles.
The scan tool can clear the DTC from the TCM history.
The TCM clears the DTC from the TCM history memory after forty consecutive warm up cycles without fault.
TCM detects the OFF signal of the SS1 monitor, when SS1 driver outputs the OFF signal for 1000ms continuously.

Cause of Failure

Wiring harness or connector between Shift Solenoid 1 (SS1) and TCM
SS1
TCM

DTC P0974 - Shift Solenoid 1 (SS1) Electrical (Open or Power Short)

Step	Action	Value(s)	Yes	No
1	Turn the ignition OFF. Install the Scan tool. With the engine OFF, turn the ignition switch to the ON position. Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu. Store Freeze Frame/Failure Records. Select Clear DTC Information from the Diagnostic Trouble Codes Information menu. Clear DTC Information. Perform one vehicle drive cycle. Is the Hold/Malfunction Indicator Lamp (MIL) ON?	-	Go to Step 2	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
2	Select Request DTC by Status from the Diagnostic Trouble Codes Information menu. Request DTC by Status. Is DTC P0974 displayed?	-	Go to Step 3	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
3	Turn the ignition OFF. Inspect the resistance between the vehicle harness and shift solenoid(SS) 1. Refer to "Unit Inspection" in this section. Disconnect the TCM connector (X-1) and inspect the resistance between the terminal A16 and A23. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 4	Go to Step 5
4	Inspect the vehicle side wiring harness and connector. Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the inspection OK?	-	Go to Step 6	Replace the vehicle harness or adjustment between the connectors.
5	Inspect the resistance between T/M wire and SS1. Disconnect the connector (X-3) of T/M wire and inspect the resistance between SS1 connector terminal 5 and ground. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 7	Go to Step 8
6	Clean the connector. Is the failure resolved?	-	System OK	Go to Step 10
7	Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the vehicle harness or adjustment between the connectors.
8	Inspect the SS1. Refer to "Unit Inspection" in this section. Is the inspection OK?	-	Go to Step 9	Replace the SS1.
9	Inspect the continuity and short circuit for the T/M wire. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the connectors(C-6). Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the T/M wire.
10	Replace the TCM. Is the replacement completed?	-	Perform the transmission adaptive learn procedure. Refer to "Transmission Adaptive Learn Procedure" in this section.	-

Diagnostic Trouble Code (DTC) P0976

Shift Solenoid 2 (SS2) Electrical (Ground Short)

Conditions for Running the DTC

No emergency mode.
TCM detects that the OFF signal (12V) of the Shift Solenoid 2(SS2) monitor, when SS2 driver outputs the ON signal (0V) for 0.5 seconds continuously.

Conditions for Setting the DTC

Above detection continuously occurs 1 time.

Action Taken When the DTC Sets

TCM will request the illumination of MIL and store DTC when TCM detects a failure on the first ignition cycle.
No lockup control
No engine torque reduction control
No engagement pressure control
No timing solenoid control for N-D
No self-learning control
After failure decision : emergency mode

TCM Shifting Pattern (Range : D)

Normal			SS2 FAIL
Gear	SS1	SS2	Gear	SS1	SS2
1 st	ON	ON	2 nd	ON	FAIL
2 nd	ON	OFF	2 nd	ON	FAIL
3 rd	OFF	OFF	3 rd	OFF	FAIL
4 th	OFF	ON	3 rd	OFF	FAIL

Conditions for Clearing the DTC

The TCM turns off the MIL when no further failures detected for three consecutive ignition cycles.
The scan tool can clear the DTC from the TCM history.
The TCM clears the DTC from the TCM history memory after forty consecutive warm up cycles without fault.
TCM detects the ON signal of the SS2 monitor, when SS2 driver outputs the ON signal for 1000ms continuously.

Cause of Failure

Wiring harness or connector between Shift Solenoid 2 (SS2) and TCM
SS2
TCM

DTC P0976 - Shift Solenoid 2 (SS2) Electrical (Ground Short)

Step	Action	Value(s)	Yes	No
1	Turn the ignition OFF. Install the Scan tool. With the engine OFF, turn the ignition switch to the ON position. Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu. Store Freeze Frame/Failure Records. Select Clear DTC Information from the Diagnostic Trouble Codes Information menu. Clear DTC Information. Perform one vehicle drive cycle. Is the Hold/Malfunction Indicator Lamp (MIL) ON?	-	Go to Step 2	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
2	Select Request DTC by Status from the Diagnostic Trouble Codes Information menu. Request DTC by Status. Is DTC P0976 displayed?	-	Go to Step 3	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
3	Turn the ignition OFF. Inspect the resistance between the vehicle harness and shift solenoid(SS) 2. Refer to "Unit Inspection" in this section. Disconnect the TCM connector (X-1) and inspect the resistance between the terminal A15 and A23. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 4	Go to Step 5
4	Inspect the vehicle side wiring harness and connector. Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the inspection OK?	-	Go to Step 6	Replace the vehicle harness or adjustment between the connectors.
5	Inspect the resistance between T/M wire and SS2. Disconnect the connector (X-3) of T/M wire and inspect the resistance between SS2 connector terminal 10 and ground. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 7	Go to Step 8
6	Clean the connector. Is the failure resolved?	-	System OK	Go to Step 10
7	Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the vehicle harness or adjustment between the connectors.
8	Inspect the SS2. Refer to "Unit Inspection" in this section. Is the inspection OK?	-	Go to Step 9	Replace the SS2.
9	Inspect the continuity and short circuit for the T/M wire. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the connectors(C-6). Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the T/M wire.
10	Replace the TCM. Is the replacement completed?	-	Perform the transmission adaptive learn procedure. Refer to "Transmission Adaptive Learn Procedure" in this section.	-

Diagnostic Trouble Code (DTC) P0977

Shift Solenoid 2 (SS2) Electrical (Open or Power Short)

Conditions for Running the DTC

No emergency mode.
TCM detects that the ON signal (12V) of the Shift Solenoid 2(SS2) monitor, when SS2 driver outputs the OFF signal (0V) for 0.5 seconds.

Conditions for Setting the DTC

Above detection continuously occurs 1 time.

Action Taken When the DTC Sets

TCM will request the illumination of MIL and store DTC when TCM detects a failure on the first ignition cycle.
No lockup control
No engine torque reduction control
No engagement pressure control
No timing solenoid control for N-D
No self-learning control
After failure decision : emergency mode

TCM Shifting Pattern (Range : D)

Normal			SS2 FAIL
Gear	SS1	SS2	Gear	SS1	SS2
1 st	ON	ON	2 nd	ON	FAIL
2 nd	ON	OFF	2 nd	ON	FAIL
3 rd	OFF	OFF	3 rd	OFF	FAIL
4 th	OFF	ON	3 rd	OFF	FAIL

Conditions for Clearing the DTC

The TCM turns off the MIL when no further failures detected for three consecutive ignition cycles.
The scan tool can clear the DTC from the TCM history.
The TCM clears the DTC from the TCM history memory after forty consecutive warm up cycles without fault.
TCM detects the OFF signal of the SS2 monitor, when SS2 driver outputs the OFF signal for 1000ms continuously.

Cause of Failure

Wiring harness or connector between Shift Solenoid 2 (SS2) and TCM
SS2
TCM

DTC P0977 - Shift Solenoid 2 (SS2) Electrical (Open or Power Short)

Step	Action	Value(s)	Yes	No
1	Turn the ignition OFF. Install the Scan tool. With the engine OFF, turn the ignition switch to the ON position. Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu. Store Freeze Frame/Failure Records. Select Clear DTC Information from the Diagnostic Trouble Codes Information menu. Clear DTC Information. Perform one vehicle drive cycle. Is the Hold/Malfunction Indicator Lamp (MIL) ON?	-	Go to Step 2	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
2	Select Request DTC by Status from the Diagnostic Trouble Codes Information menu. Request DTC by Status. Is DTC P0977 displayed?	-	Go to Step 3	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
3	Turn the ignition OFF. Inspect the resistance between the vehicle harness and shift solenoid(SS) 2. Refer to "Unit Inspection" in this section. Disconnect the TCM connector (X-1) and inspect the resistance between the terminal A15 and A23. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 4	Go to Step 5
4	Inspect the vehicle side wiring harness and connector. Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the inspection OK?	-	Go to Step 6	Replace the vehicle harness or adjustment between the connectors.
5	Inspect the resistance between T/M wire and SS2. Disconnect the connector (X-3) of T/M wire and inspect the resistance between SS2 connector terminal 10 and ground. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 7	Go to Step 8
6	Clean the connector. Is the failure resolved?	-	System OK	Go to Step 10
7	Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the vehicle harness or adjustment between the connectors.
8	Inspect the SS2. Refer to "Unit Inspection" in this section. Is the inspection OK?	-	Go to Step 9	Replace the SS2.
9	Inspect the continuity and short circuit for the T/M wire. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the connectors(C-6). Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the T/M wire.
10	Replace the TCM. Is the replacement completed?	-	Perform the transmission adaptive learn procedure. Refer to "Transmission Adaptive Learn Procedure" in this section.	-

Diagnostic Trouble Code (DTC) P2769

Torque Converter Clutch (TCC) Electrical (Ground Short)

Conditions for Running the DTC

No emergency mode.
TCM detects that the OFF signal (12V) of the lockup solenoid monitor, when lockup solenoid driver outputs the ON signal (0V) for 0.5 seconds continuously.

Conditions for Setting the DTC

Above detection continuously occurs 1 time.

Action Taken When the DTC Sets

TCM will request the illumination of MIL and store DTC when TCM detects failures on two consecutive ignition cycles.
No TCC lockup solenoid

Conditions for Clearing the DTC

The TCM turns off the MIL when no further failures detected for three consecutive ignition cycles.
The scan tool can clear the DTC from the TCM history.
The TCM clears the DTC from the TCM history memory after forty consecutive warm up cycles without fault.
TCM detects the ON signal of the lockup solenoid monitor, when lockup solenoid driver outputs the ON signal for 1000ms continuously.

Cause of Failure

Wiring harness or connector between lockup solenoid and TCM
Lockup solenoid
TCM

DTC P2769 - Torque Converter Clutch (TCC) Electrical (Ground Short)

Step	Action	Value(s)	Yes	No
1	Turn the ignition OFF. Install the Scan tool. With the engine OFF, turn the ignition switch to the ON position. Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu. Store Freeze Frame/Failure Records. Select Clear DTC Information from the Diagnostic Trouble Codes Information menu. Clear DTC Information. Perform two vehicle drive cycles. Is the Hold/Malfunction Indicator Lamp (MIL) ON?	-	Go to Step 2	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
2	Select Request DTC by Status from the Diagnostic Trouble Codes Information menu. Request DTC by Status. Is DTC P2769 displayed?	-	Go to Step 3	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
3	Turn the ignition OFF. Inspect the resistance between the vehicle harness and lock up solenoid. Refer to "Unit Inspection" in this section. Disconnect the TCM connector (X-1) and inspect the resistance between the terminal A5 and A23. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 4	Go to Step 5
4	Inspect the vehicle side wiring harness and connector. Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the inspection OK?	-	Go to Step 6	Replace the vehicle harness or adjustment between the connectors.
5	Inspect the resistance between T/M wire and lock up solenoid. Disconnect the connector (X-3) of T/M wire and inspect the resistance between lock up solenoid connector terminal 4 and ground. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 7	Go to Step 8
6	Clean the connector. Is the failure resolved?	-	System OK	Go to Step 10
7	Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the vehicle harness or adjustment between the connectors.
8	Inspect the lock up solenoid. Refer to "Unit Inspection" in this section. Is the inspection OK?	-	Go to Step 9	Replace the lock up solenoid.
9	Inspect the continuity and short circuit for the T/M wire. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the connectors(C-6). Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the T/M wire.
10	Replace the TCM. Is the replacement completed?	-	Perform the transmission adaptive learn procedure. Refer to "Transmission Adaptive Learn Procedure" in this section.	-

Diagnostic Trouble Code (DTC) P2770

Torque Converter Clutch (TCC) Electrical (Open or Power Short)

Conditions for Running the DTC

No emergency mode.
TCM detects that the ON signal (12V) of the lockup solenoid monitor, when lockup solenoid driver outputs the OFF signal (0V) for 0.5 seconds continuously.

Conditions for Setting the DTC

Above detection continuously occurs 1 time.

Action Taken When the DTC Sets

TCM will request the illumination of MIL and store DTC when TCM detects failures on two consecutive ignition cycles.
TCM outputs no lockup signal.
1st gear fixed under the 10km/h (6mph).

Conditions for Clearing the DTC

The TCM turns off the MIL when no further failures detected for three consecutive ignition cycles.
The scan tool can clear the DTC from the TCM history.
The TCM clears the DTC from the TCM history memory after forty consecutive warm up cycles without fault.
TCM detects the OFF signal of the lockup solenoid monitor, when lockup solenoid driver outputs the OFF signal for 1000ms continuously.

Cause of Failure

Wiring harness or connector between lockup solenoid and TCM
Lockup solenoid
TCM

DTC P2770 - Torque Converter Clutch (TCC) Electrical (Open or Power Short)

Step	Action	Value(s)	Yes	No
1	Turn the ignition OFF. Install the Scan tool. With the engine OFF, turn the ignition switch to the ON position. Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu. Store Freeze Frame/Failure Records. Select Clear DTC Information from the Diagnostic Trouble Codes Information menu. Clear DTC Information. Perform two vehicle drive cycles. Is the Hold/Malfunction Indicator Lamp (MIL) ON?	-	Go to Step 2	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
2	Select Request DTC by Status from the Diagnostic Trouble Codes Information menu. Request DTC by Status. Is DTC P2770 displayed?	-	Go to Step 3	Inspect the temporary connection failure of the connector and repair it if necessary. Refer to "Wiring Harness and Connector Inspection" in this section.
3	Turn the ignition OFF. Inspect the resistance between the vehicle harness and lock up solenoid. Refer to "Unit Inspection" in this section. Disconnect the TCM connector (X-1) and inspect the resistance between the terminal A5 and A23. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 4	Go to Step 5
4	Inspect the vehicle side wiring harness and connector. Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the inspection OK?	-	Go to Step 6	Replace the vehicle harness or adjustment between the connectors.
5	Inspect the resistance between T/M wire and lock up solenoid. Disconnect the connector (X-3) of T/M wire and inspect the resistance between lock up solenoid connector terminal 4 and ground. Is the measurement within the specified value?	20°C (68°F) 11-16 Ω	Go to Step 7	Go to Step 8
6	Clean the connector. Is the failure resolved?	-	System OK	Go to Step 10
7	Inspect the continuity and short circuit for the corresponding wiring harness. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the corresponding connectors. Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the vehicle harness or adjustment between the connectors.
8	Inspect the lock up solenoid. Refer to "Unit Inspection" in this section. Is the inspection OK?	-	Go to Step 9	Replace the lock up solenoid.
9	Inspect the continuity and short circuit for the T/M wire. Refer to "Wiring Harness and Connector Inspection" in this section. Inspect the connection condition between the connectors(C-6). Refer to "Wiring Harness and Connector Inspection" in this section. Is the condition OK?	-	Clean the connectors.	Replace the T/M wire.
10	Replace the TCM. Is the replacement completed?	-	Perform the transmission adaptive learn procedure. Refer to "Transmission Adaptive Learn Procedure" in this section.	-