CHECK POWER SUPPLY CM.

1) Turn the ignition switch to OFF.

2) Disconnect the connector of ECM.

3) Use a tester to measure the battery voltage in following procedures.

(1) Press the push button ignition switch with the brake pedal depressed (MT model: clutch pedal depressed). (Measure within 10 seconds.)

(2) Release the push button ignition switch from the condition of step 1. above.

Connector & terminal

(B420) No. 39 (+) — Chassis ground (−):

QUESTION

Does the value change from 1 V or less to +B-2 V or more in the step 1. above, and return to 1 V or less in the step 2. above?

Yes No

Perform fault diagnosis for the engine system.

Replace the power supply CM.