| CHECK HARNESS BETWEEN MAIN FAN RELAY 1 AND ECM. |
|
1) Disconnect the connectors from the ECM. 2) Measure the resistance between main fan relay 1 terminal and ECM connector. Connector & terminal (B136) No. 29 — (B143) No. 7: |
| QUESTION | |
|
Is the resistance less than 1 Ω? | |
| Yes | No |
|
|
Repair the open circuit of the harness between main fan relay 1 terminal and ECM. |
