P3157
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 8 V or more.
- GO TO 2.
2. PERFORM DTC CONFIRMATION PROCEDURE
1.Turn ignition switch ON.
2.Check DTC.
Is DTC detected?
YES- Proceed to .
NO- INSPECTION END
Diagnosis Procedure
1. CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT-1
1.Turn ignition switch OFF.
2.Disconnect accelerator pedal position (APP) sensor harness connector.
3.Check the voltage between APP sensor harness connector terminals.
Without ICC
With ICC
Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 2.
2. CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT-2
Check the voltage between APP sensor harness connector and ground.
Without ICC
With ICC
Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 3.
3. CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
Without ICC
With ICC
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace error-detected parts.
4. CHECK COMPONENTS
Check the following.
- Accelerator pedal position (APP) sensor (P2122.)
- Clutch 1 stroke sensor (Proceed to P0807.)
Is the inspection result normal?
YES- Perform Intermittent Incident.
NO- Repair or replace error-detected parts.
5. CHECK HPCM GROUND CIRCUIT FOR OPEN AND SHORT
1.Turn ignition switch OFF.
2.Disconnect HPCM harness connector.
3.Check the continuity between APP sensor harness connector and HPCM harness connector.
Without ICC
With ICC
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace error-detected parts.
6. CHECK HPCM GROUND CIRCUIT
Check the continuity between HPCM harness connector and ground.
Is the inspection result normal?
YES- Perform Intermittent Incident.
NO- Repair or replace ground connection.