9000 L4-2290cc 2.3L DOHC Turbo EFI (1992)
Control Module HVAC: Service and Repair
Wiring Harness, Adapting
NOTE: Diagnostic trouble codes may be registered in ACC 2 without there actually being any fault.
Diagnostic Trouble Codes 26391 And D6891
Sporadic loss of outside temperature signal or sporadic loss of solar sensor signal.
Action
1. Detach the ACC panel.
2. Cut the orange cable (1057 OR) in the 12 pin connector on the rear of the ACC panel.
3. Insulate the cable and attach it under the cable tie on the 39 pin connector.
4. Refit the ACC panel.
NOTE:
^
This action does not eliminate the diagnostic trouble codes but reduces the frequency of fault.
^
Do not change any components. When these diagnostic trouble codes have been erased, they may return after a certain period. Explain to the
customer that he/she does not need to bring the car in for repair if the diagnostic trouble codes return and there are no fault symptoms.
Diagnostic Trouble Code 33222.
Pin 31, short circuit to I +12 V. Car affected, chassis number ranges:
L1004800 - L1008384
L2004500 - L2006313
L8000781 - L80008S4
M1000001 - M1009246
M2000001 - M2006157
Action
1. Detach the ACC panel.
2. Fit a resistor, part number 85 48 034, between cable 623 (black) in the 12 pin connector and cable 407 (yellow/white) in the 39 pin connector at
the ACC panel. Use tap on connectors, part number 95 60 012, to connect the resistor.
3. Attach the resistor with a cable tie.
4. Refit the ACC panel.
5. Erase diagnostic trouble codes.
