Checking Components and Cables

Checking Components And Cables







Check cable between ECC control module #A26 and damper motor terminal 5 and ECC control module #A27 and damper motor terminal 4 for an open circuit according to Checking wiring and terminals - Permanent faults and a short-circuit to ground according to Checking wiring and terminals - Permanent faults and a short-circuit to supply voltage according to Checking wiring and terminals - Permanent faults.

If cables are OK, try a new damper motor.

Remedy as necessary.

Other information:
- To connect the breakout box Connection of Breakout Box ECC
- Voltage on cables should be less than 1 V or 2-4 V below battery voltage, depending on which direction the motor is taming in. When the damper motor is not activated the voltage should be approximately 0 V. For other values Connection of Breakout Box ECC

After performing this procedure Self-Adjustment of the Damper Motor Limit Positions, ECC