| CHECK FAN CONTROL SIGNAL. |
|
1) Connect the removed connector(s). 2) Turn the ignition switch to ON. 3) Change the fan dial from 1st to 7th. 4) Measure the voltage between the power transistor and chassis ground using a tester. Connector & terminal (B57) No. 2 — Chassis ground: |
| QUESTION | |
|
Is voltage approx. 10 V when in 1st and approx. 1 V when in 7th? | |
| Yes | No |
|
Replace the power transistor. |
|
