Signal Too Low

Signal too low

Checking courtesy lighting




- Check that the courtesy lighting door switch is in the door position.
- Ignition off.
- Remove key from ignition switch
The courtesy lighting should light.

Does the courtesy lighting light?

Yes - Intermittent fault

No - Checking connectors

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Checking connectors




- Check VGLA control module connector and courtesy light connector for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
- Check that the courtesy lighting door switch is in the door position.
- Ignition off.
- Remove key from ignition switch
The courtesy lighting should light.

Does the courtesy lighting light?

Yes - No Fault Found

No - Checking cables

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Checking cables




- Ignition off.
Check cable between control module #A24 and courtesy light #5 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault and for open-circuits according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.









Were any faults found in the cable?

Yes - FAULT FOUND

No - Replacing component

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Replacing component




- Ignition off.
Try a new control module according to Replacing main control module Replacing Main Control Module.

Continue - Verification

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Verification

Hint: After carrying out the repair, check that the fault has been remedied as follows:




- Ignition off.
- Reinstall connectors, components etc.
- Ignition on.
- Ignition off.
- Remove key from ignition switch
The courtesy lighting should light.

Does the courtesy lighting light?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information
Verification indicates that the fault persists.

Do you want to repeat fault-tracing?

Yes - Checking courtesy lighting

No - No Fault Found

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Intermittent fault
Check cable between control module #A24 and courtesy light #5 for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.










Continue - Fault-tracing information

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Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

Do you want to repeat fault-tracing?

Yes - Checking courtesy lighting

No - No Fault Found

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