Golf GL L4-2.0L (AZG) (2001)
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Connect test box VAG 1598/31 to control module wiring harness. The engine control module remains disconnected.
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Check wiring for open circuit between test box sockets 40 + 41 and air conditioner system using wiring diagram.
Wire resistance: max. 1.5 Ohms
If no fault can be found in the wiring:
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Check function of air conditioner control module.
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Check DTC memory, if necessary, repair any faults and then erase DTC memory
