Dodge ZB 2005 Service Manual page 1312

*CHECKING A/C SYSTEM OPERATION WITH NO DTCS —
TEST
4 Turn the ignition off.
Verify that the Refrigerant System is properly charged per Service Procedure.
Is the Refrigerant System properly charged?
Yes → Go To 5
→ Properly charge the Refrigerant System per Service Information.
No
5 Turn the ignition off.
Verify the High Pressure Cut-Off Switch per Service Information.
Is the High Pressure Cut-Off Switch OK?
Yes → Go To 6
→ Replace the High Pressure Cut-Off Switch.
No
6 Turn the ignition off.
Verify the Low Pressure Switch operation per Service Information.
Is the Low Pressure Switch OK?
Yes → Go To 7
→ Replace the Low Pressure Switch.
No
7 Ignition on, engine not running.
Connect a test light between the ground circuit and the A/C Clutch Relay Output
circuit.
With the DRBIII , actuate the A/C Clutch Relay.
Does the test light illuminate brightly on and off with the relay actuation?
Yes → Replace the A/C Clutch Coil.
→ Go To 8
No
8 Turn the ignition off.
Disconnect the A/C Clutch harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the A/C Compressor Clutch ground
circuit in the A/C Clutch harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 9
→ Repair the open in the A/C Compressor Clutch ground circuit.
No
9 Turn the ignition off.
Disconnect the A/C Clutch harness connector.
Remove the A/C Clutch Relay.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the (C3) A/C Clutch Relay Output circuit between the IPM
and the A/C Clutch Coil.
Is the resistance below 5.0 ohms?
Yes → Go To 10
→ Repair the open in the (C3) A/C Clutch Relay Output circuit.
No
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
DRIVEABILITY - GAS
191
Continued
APPLICABILITY
All
All
All
All
All
All