CHECK POWER SUPPLY CM.

1) Connect the disconnected connectors.

2) While depressing the clutch pedal (MT model) or the brake pedal (AT model) with the shift lever in “P” range, use a tester to measure the voltage between the power supply CM terminal and chassis ground when the push button ignition switch is pressed.

Connector & terminal

(B420) No. 31 (+) — Chassis ground (−):

QUESTION

Did the voltage change from + B-2 V or more to less than 1 V?

Yes No

Replace the power supply CM.

Replace the ECM.