Signal Too Low
Signal too low
Checking signal from door lock switch
- Ignition on.
- Go into rolling values.
- Read off door lock switch status.
The value should be HIGH.
Is the value HIGH?
Yes - Intermittent fault
No - Checking door lock switch in lock unit
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Checking door lock switch in lock unit
- Ignition off.
- Remove driver's door panel.
- Disconnect door lock switch connector.
- Ignition on.
- Go into scrolling values.
- Read off door lock switch status.
The value should be HIGH.
Is the value HIGH?
Yes - Replacing component
No - Checking cables
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Replacing component
Try a new lock unit.
Continue - Verification
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Checking cables
- Ignition off.
For left-hand drive cars:
Check cable between control module #A18 and gray lock unit connector #B2 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
For right-hand drive cars:
Check cable between control module #A18 and gray lock unit connector #B3 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Continue - Verification
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Verification
Hint: After carrying out the repair, check that the fault has been remedied as follows.
that the fault is corrected as follows:
- Ignition off.
- Reinstall connectors, components etc.
- Ignition on.
- Go into rolling values.
- Read off door lock switch status.
The value should be HIGH.
Is the value HIGH?
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 signal from door lock switch
No - No Fault Found
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Intermittent fault
For left-hand drive cars:
Check cable between control module #A18 and gray lock unit connector #B2 for an intermittent short-circuit to ground according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
For right-hand drive cars:
Check cable between control module #A18 and gray lock unit connector #B3 for an intermittent short-circuit to ground 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 signal from door lock switch
No - No Fault Found
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