Control Assembly: Testing and Inspection

1. Slide out the heater control Unit with the connectors still connected.
2. Measure the voltage at each heater control unit terminal and refer to the terminal voltage list.
3. Disconnect the heater control unit connector before checking for continuity at terminal 2B and 2J.
4. If not as specified, inspect the parts listed under "Inspection area" and the related wiring harnesses.
5. If the parts and wiring harnesses are okay but the system still does not work properly, replace the heater control unit.







Terminal Voltage List (Reference)