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RIGHT COOLANT CIRCULATION VALVE CIRCUIT (CONTINUED) When Monitored and Set Condition • When Monitored: With the ignition on. • Set Condition: The A/C Heater Control Module detects an abnormal condition on the Right Coolant Circulation POSSIBLE CAUSES FUSED B(+) CIRCUIT OPEN RIGHT COOLANT CIRCULATION VALVE CONTROL CIRCUIT OPEN RIGHT COOLANT CIRCULATION VALVE A/C HEATER CONTROL MODULE For a complete HVAC Circuit Diagram, (Refer to 24 - HEATING & AIR CONDITIONING - SCHEMATICS AND DIA- Diagnostic Test 1. MEASURE COOLANT CIRCULATION VALVE VOLTAGE Note: Inspect Fuse 15 located in the Underhood Accessory Fuse Disconnect the Coolant Circulation Valve harness connector. Note: Check connector - Clean/repair as necessary. Is the voltage above 10 volts? Yes >> Go to 2 No >> Repair the Coolant Circulation Valve Fused B(+) circuit. Perform BODY VERIFICATION TEST. ZH HEATING & AIR CONDITIONING - ELECTRICAL DIAGNOSTICS 24 - 47 |