CHECK IGNITION SWITCH CIRCUIT.

1) Turn the ignition switch to OFF.

2) Disconnect the ECM harness connector.

3) Turn the ignition switch to ON.

4) Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal

Except for DOHC non-turbo model

(B135) No. 19 (+) — Chassis ground (−):

DOHC non-turbo model

(B135) No. 10 (+) — Chassis ground (−):

Diesel engine model

(B135) No. 10 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Check for poor contact of ECM connector.

• Check fuse No. 12 (in fuse & relay box).

• Check the harness for open or short circuit between ignition switch and ECM.