Chrysler 2005 Crossfire SRT6 Service Manual page 4170

ZH
COOLANT CIRCULATION PUMP 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 Coolant Circulation Pump
Control circuit.
FUSED B(+) CIRCUIT OPEN
COOLANT CIRCULATION PUMP CONTROL CIRCUIT OPEN
COOLANT CIRCULATION PUMP
A/C HEATER CONTROL MODULE
For a complete HVAC Circuit Diagram, (Refer to 24 - HEATING & AIR CONDITIONING - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
MEASURE COOLANT CIRCULATION PUMP VOLTAGE
Note: Inspect Fuse 15 located in the Underhood Accessory Fuse
Block. If the fuse is open, repair the cause of the open fuse
before continuing.
Turn the ignition off.
Disconnect the Coolant Circulation Pump harness connector.
Note: Check connector - Clean/repair as necessary.
Measure the voltage of the Fused B(+) circuit at the Coolant Circula-
tion Pump harness connector.
Is the voltage above 10 volts?
Yes >> Go to 2
No >> Repair the Coolant Circulation Pump Fused B(+) circuit.
Perform BODY VERIFICATION TEST.
HEATING & AIR CONDITIONING - ELECTRICAL DIAGNOSTICS 24 - 41
POSSIBLE CAUSES