DaimlerChrysler Jeep Grand Cherokee 2002, Руководство по обслуживанию

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TEST ACTION APPLICABILITY
9 If there are no possible causes remaining, view repair. All
Repair
Replace the A/C Clutch in accordance with the Service Informa-
tion.
Perform ROAD TEST VERIFICATION - VER-2.
10 Turn the ignition off.
Disconnect the AZC Module C2 harness connector or the A/C - Heater Control C1
harness connector.
Turn the ignition on.
Measure the voltage of the A/C Switch Signal circuit.
Is the voltage greater than 11.0 volts? All
Yes
→
Go To 11
No
→
Go To 12
11 Turn the ignition off.
Disconnect the AZC Module C2 harness connector or the A/C - Heater Control C1
harness connector.
Turn the ignition on.
With the DRBIII
t
in BCM, select Inputs/Outputs.
Monitor the A/C Select Switch state while connecting a jumper wire between ground
and the A/C Switch Signal circuit in the AZC Module C2 harness connector or the A/C
- Heater Control C1 harness connector.
Does the A/C Select Switch state change from Off to On when the jumper wire is
connected?
All
Yes
→
Replace the AZC Module or the A/C - Heater Control Module in
accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Replace and program the Body Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
12 Turn the ignition off.
Disconnect the BCM C1 harness connector.
Disconnect the AZC Module C2 harness connector or the A/C - Heater Control C1
harness connector.
Measure the resistance of the A/C Switch Signal circuit between the AZC Module C2
harness connector or the A/C - Heater Control C1 harness connector and the BCM C1
harness connector.
Is the resistance below 5.0 ohms? All
Yes
→
Replace and program the Body Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Repair the A/C Switch Signal circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
214
DRIVEABILITY - DIESEL
*A/C INOPERATIVE —
Continued
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