Intermittent Fault
Intermittent Fault.
Check cable between ECC control module #B8 and temperature sensor terminal 4 for an intermittent short-circuit to ground according to Checking wiring and terminals - Intermittent faults. Checking Wiring and Terminals
Remedy as necessary.
Other information:
- Breakout box connection Connection of Breakout Box ECC
- Voltage on the control signal lead should be battery voltage approximately when the fan is activated. For other values refer to Signal Specifications ECC Signal Specification ECC