Diagnostic Test
- CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Disconnect IPDM E/R harness connector E15.
- Check the continuity between IPDM E/R harness connector and ECM harness connector.
IPDM E/R ECM Continuity Connector Terminal Connector Terminal E15 60 F92 99 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
GO TO STEP 2 .
- DETECT MALFUNCTIONING PART
Check the following.
- Harness for open or short between ECM and IPDM E/R
- Loose or poor connection for each connector and harness
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
- Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.
IPDM E/R ECM Continuity Connector Terminal Connector Terminal E15 55 F92 111 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
GO TO STEP 4 .
- Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.
- DETECT MALFUNCTIONING PART
Check the following.
- Harness for open or short between ECM and IPDM E/R
- Loose or poor connection for each connector and harness
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK FUSE
- Disconnect 20 A fuse (No. 64) from IPDM E/R.
- Check if 20 A fuse is blown.
Is the inspection result normal?
YES
GO TO STEP 6 .
NO
Replace 20 A fuse.
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness or connectors.