Orlando |
||||||||
|
|
• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
---|---|---|---|---|
5V Reference | P0642, P0807 | P0807 | P0642, P0808 | - |
Signal | P0807 | P0807 | P0808 | P0806 |
Low Reference | -- | P0808 | P0808 | -- |
Circuit | Short to Ground | Open | Short to Voltage |
---|---|---|---|
Operating Conditions: Ignition ON. CPP Sensor Voltage Parameter Normal Range: 0 V with clutch pedal applied to 5 V when clutch pedal is released. | |||
5V Reference | 0 V | 0 V | 5 V |
Signal | 0 V | 0 V | 5 V |
Low Reference | -- | 5 V | -- |
Circuit | Short to Ground | Open | Short to Voltage |
---|---|---|---|
Operating Conditions: Ignition ON. CPP Sensor Percent Parameter Normal Range: 100% with clutch pedal released to 0% when clutch pedal is applied. | |||
5V Reference | 100% | 100% | 0-100% |
Signal | 100% | 100% | 100% |
Low Reference | -- | 0% | -- |
The clutch pedal position (CPP) sensor is a three wire sensor, connected to a 5 V reference circuit, a low reference circuit, and a signal circuit. The engine control module (ECM) supplies 5 V to the CPP sensor, and also provides a sensor ground path on the low reference circuit. The CPP sensor sends a voltage signal to the ECM on the signal circuit. The voltage on the signal circuit will vary from a voltage less than or equal to 5 V when the clutch pedal is released, to a voltage less than or equal to 1.5 V when the clutch pedal is applied.
• | DTCs P0642, P0643, P0335, P0336, P0607 or P080A are not set. |
• | The system voltage is more than 9 V. |
• | The ignition is in the RUN position. |
The CPP sensor is stuck in range.
The CPP sensor voltage is less than 0.1 V for more than 1 s.
The CPP sensor voltage is more than 5.2 V for more than 1 s.
DTC P0806-P0808 are Type A DTCs.
DTC P0806-P0808 are Type A DTCs.
Manual Transmission Schematics
Transmission System Description and Operation
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Engine Control Module Scan Tool Information : LNP → LDE or 2H0 for scan tool information
⇒ | If greater than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the ECM. |
⇒ | If less than the specified range, test the 5V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the ECM. |
⇒ | If greater than the specified range, test the 5V reference circuit for a short to voltage. If the circuit tests normal, replace the ECM. |
⇒ | If less than the specified value, test the signal circuit for a short to ground. If the circuit test normal, replace the ECM. |
⇒ | If greater than the specified value, test the signal circuit for a short to voltage. If the circuit test normal, replace the ECM. |
⇒ | If not within the specified range, test the signal circuit for an open/high resistance. If the circuit tests normal, replace the ECM. |
⇒ | If the resistance is erratic with spikes or dropouts, replace the B25B Clutch Pedal Position Sensor. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
• | Engine Control Module Programming and Setup : LNP → LXV, 2H0 for ECM replacement, setup, and programming |
© Copyright Chevrolet. All rights reserved |
© Copyright Chevrolet. All rights reserved |