CHECK MAGNET CLUTCH ON SIGNAL.

1) Start the engine and turn the A/C switch to ON.

2) Turn the temperature control dial at maximum cool position.

3) Measure the voltage between ECM connector terminal and chassis ground.

Connector & terminal

(B134) No. 10 (+) — Chassis ground (−):

QUESTION

Is the voltage 0 V?

Yes No

Replace the ECM.