DTC Diagnosis Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect brake pedal position switch harness connector.
- Turn ignition switch ON.
- Check the voltage between brake pedal position switch harness connector and ground.
Brake pedal position switch
Ground
Voltage
Connector
Terminal
E37
1
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 2.
- DETECT MALFUNCTIONING PART
Check the following.
- 10 A fuse (No. 12)
- Harness for open or short between brake pedal position switch and fuse
- Loose or poor connection for each connector and harness
Repair open circuit or short to ground in harness or connectors.
- CHECK BRAKE PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between brake pedal position switch harness connector and ECM harness connector.
Brake pedal position switch
ECM
Continuity
Connector
Terminal
Connector
Terminal
E37
2
E77
140
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 4.
- DETECT MALFUNCTIONING PART
Check the following.
- Harness for open or short between ECM and brake pedal position switch
- Loose or poor connection for each connector and harness
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK BRAKE PEDAL POSITION SWITCH
Refer to Component Inspection (Brake Pedal Position Switch) .
Is the inspection result normal?
YES
GO TO 6.
NO
Replace brake pedal position switch. Refer to Removal and Installation .
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
INSPECTION END