Associated Faults
Other conditions which may exist but will NOT log fault codes:
Associated Faults
| Condition | Possible Source | Action |
|---|---|---|
| No heat | Air lock in system. | Refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING - GENERAL PROCEDURES |
| - | Heater water pump inoperative Coolant flow valve stuck closed |
Check operation and circuit |
| - | Faulty engine coolant thermostat | Renew as required |
| One vent failing to open / close | Broken linkage. | Renew as required |
| Poor airflow | Blower motors - incorrect operation | Check operation and circuit |