Dodge ZB 2005 Service Manual page 1313

DRIVEABILITY - GAS
*CHECKING A/C SYSTEM OPERATION WITH NO DTCS —
TEST
10 Turn the ignition off.
Remove the A/C Clutch Relay.
Note: Check connectors - Clean/repair as necessary.
Measure the voltage of the Fused B+ circuit at the A/C Clutch Relay connector.
Is the voltage above 11.0 volts?
Yes → Go To 11
→ Repair the open in the Fused B+ circuit. The open may be in the
No
11 If there are no possible causes remaining, view repair.
Repair
12 Ignition on, engine not running.
With the DRBIII in the HVAC, under the Monitors screen, read the A/C Select
Switch state.
While monitoring the DRBIII screen, turn the A/C switch on and off a few times.
Does the A/C Select State change on the HVAC Monitors screen.
Yes → Check for any related TSBs. Replace and program the PCM in
→ Replace the A/C-Heater Control module.
No
ACTION
IMP.
Perform BODY VERIFICATION TEST - VER 1.
Replace the A/C Clutch Relay.
Perform BODY VERIFICATION TEST - VER 1.
accordance with the Service Information as long as no BUS
problems exist.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
192
Continued
APPLICABILITY
All
All
All