## EGR System

#### DTC Troubleshooting (cont'd)

11-157

28. Connect the EGR valve 6P connector terminal No. 4 and body ground with a jumper wire.

EGR VALVE 6P CONNECTOR

Wire side of female terminals

29. Check for continuity between ECM/PCM connector terminal B14 and the body ground.

ECM/PCM CONNECTOR B (24P)

Wire side of female terminals

Is there continuity?

YES | - Go to step 30.
NO | - Repair open in the wire between the EGR valve and the ECM/PCM (B14).

30. Disconnect the jumper wire from the EGR valve 6P connector.

31. Connect the EGR valve 6P connector terminal No. 6 to body ground with a jumper wire.

EGR VALVE 6P CONNECTOR

Wire side of female terminals

Is there continuity?

YES | - Substitute a known-good ECM/PCM and recheck (see page 11-6). If symptom/indication goes away, replace the original ECM/PCM.
NO | - Repair open in the wire between the EGR valve and G101.