| CHECK HARNESS. |
|
1) Disconnect the PTC heater connector. 2) Use a tester to measure the resistance between the relay holder and PTC heater. Connector & terminal (F9) No. 6 — (B461) No. 2: (F9) No. 6 — (B462) No. 2: (B473) No. 4 — (B470) No. 2: (B473) No. 8 — (B471) No. 3: (B473) No. 12 — (B471) No. 1: |
| QUESTION | |
|
Is the resistance less than 10 Ω? | |
| Yes | No |
|
|
Repair or replace the harness. |
