Intermittent Fault

Intermittent Fault






Check the ECC Control module and engine control module (ECM) connectors for contact resistance and oxidation according to Checking wiring and terminals - Intermittent faults. Checking Wiring and Terminals

Check cable between ECC control module #B2 and engine control module (ECM) for an intermittent open circuit according to Checking wiring and terminals - Intermittent faults and an intermittent short-circuit to supply voltage according to Checking wiring and terminals - Intermittent faults and an intermittent short-circuit to ground according to Checking wiring and terminals - Intermittent faults. Checking Wiring and Terminals

Also check cable between ECC control module #B2 and combined instrument panel #A26 for an intermittent short-circuit to supply voltage according to Checking wiring and terminals - Intermittent faults and an intermittent short-circuit to ground according to Checking wiring and terminals - Intermittent faults. Checking Wiring and Terminals

Remedy as necessary.

Other information:

- Connection of breakout box to ECC control module Connection of Breakout Box ECC
- The frequency on the coolant temperature signal varies with the temperature. For other values Connection of Breakout Box ECC