System Pre-Test

Connector Diagram:

DESCRIPTION
DTC C1101 is generated when the ECU detects an intermittent circuit failure in the HCU valves or valve wiring harness.

POSSIBLE CONTRIBUTING COMPONENT/VEHICLE WIRING FAULTS
- Intermittent valve failures.
- Intermittent wiring condition in Circuit 532 (O/Y) to both Pins 1 and 4 of the 8-pin HCU valve block connector.