Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Test H

PINPOINT TEST H: ALL POWER WINDOWS ARE INOPERATIVE


Test H1:






Test H1-H3:






Test H4-H6:






Normal Operation
Under normal operation the instrument cluster module grounds the accessory delay relay through circuit 1004 (LB/RD). Power is sent to the driver window control switch through circuit 400 (LB/BK) from the accessory delay relay. The driver window control switch is grounded through circuit 1205 (BK).

Possible Causes
- Open in circuits 400 (LB/BK), 1205 (BK) or 1004 (LB/RD).
- Damaged accessory delay relay
- Damaged CJB.
- Inoperative ICM.
- Inoperative driver window control switch.