Checking Components and Cables

Checking Components And Cables






Check passenger compartment temperature sensor resistance. For resistance values, see ECC electrical specifications. Electrical Specifications

Check cable between ECC control module #B6 and passenger compartment temperature sensor terminal 5 for an open-circuit according to Checking wiring and terminals - Permanent faults and a short-circuit to supply voltage according to Checking wiring and terminals - Permanent faults. Checking Wiring and Terminals

Check cable between ECC control module #B10 and passenger compartment temperature sensor terminal 3 for an open-circuit according to Checking wiring and terminals - Permanent faults and a short-circuit to supply voltage according to Checking wiring and terminals - Permanent faults. Checking Wiring and Terminals

Hint: A short-circuit on the ground lead can be caused by a short-circuit to supply voltage. Always check ground lead as well for this fault cause.

Remedy as necessary.

Other information:

- To connect the breakout box Connection of Breakout Box ECC
- The voltage on the signal cable varies with temperature. At 20 °C (68 °F) voltage should be approximately 2.5 V. For other values see Signal Specification ECC Signal Specification ECC

After performing this procedure Verification