EGR System

DTC Troubleshooting (cont'd)

11-577  

  1. Turn the ignition switch OFF.
  1. Disconnect ECM/PCM connector A (31P).
  2. Connect the EGR valve 6P connector terminal No. 1 and body ground with a jumper wire.

EGR VALVE 6P CONNECTOR

Wire side of female terminals

  1. Check for continuity between ECM/PCM connector terminals A13 and body ground.

ECM/PCM CONNECTOR A (31P)

Wire side of female terminals

Is there continuity?

YES

- Go to step 17.

NO

- Repair open in the wire between the EGR valve and the ECM/PCM (A13).


  1. Check for continuity between the EGR valve 6P connector terminal No. 1 and body ground.

EGR VALVE 6P CONNECTOR

Wire side of female terminals

Is there continuity?

YES

- Repair short in the wire between the EGR valve and the ECM/PCM (A13).

NO

- Go to step 18.


  1. Check for continuity between the EGR valve 6P connector terminal No. 6 and body ground.

EGR VALVE 6P CONNECTOR

Wire side of female terminals

Is there continuity?

YES

- Go to step 19.

NO

- Repair open in the wire between the EGR valve and the G101.


  1. Disconnect ECM/PCM connector B (24P).
  2. Connect EGR valve 6P connector terminal No. 4 and body ground with a jumper wire.

EGR VALVE 6P CONNECTOR

Wire side of female terminals