FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Signal Too Low






Signal too low

Information about symptom fault-tracing
The diagnostic trouble codes (DTCs) are included in a larger fault-tracing for the symptom Starter motor not running.
Add the symptom and fault trace according to Checking the start system.
If this has already been carried out, continue fault tracing.

Do you want to continue with this procedure?

Yes - Function test

No - Exit fault-tracing

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Function test
- Remove the key from the ignition switch.
The steering column lock must be locked. It must be impossible to turn the steering wheel.
- Insert the key in the ignition switch.
The steering column lock must be unlocked. It must be possible to turn the steering wheel.





Is the function OK?

Yes - Fault-tracing information

No - Checking the wiring

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Checking the wiring




- Ignition off.
Check the power supply cable between central electronic module (CEM) terminal #B10 (#10) and the steering column lock module (SCL) terminal #A2. Check for a short-circuit to ground.

Other information
- Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- Signal specification Signal Description, Central Electronic Module (CEM)
- Checking wiring and terminals Checking Wiring and Terminals









Was a fault detected?

Yes - Verification

No - Replacing the control module

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Replacing the control module




- Ignition off.
Replace the control module if the Steering Column Lock Module (SCL) does not work as it should.

Other information
- Steering lock Service and Repair





Continue - Verification

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Verification




Verification

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








- Ignition off
- Reinstall the connectors, components etc.
After carrying out the repair, the function must be checked.
Check the operation of the steering column lock. Insert the ignition key in the ignition switch. The steering column lock must then be unlocked. It must be possible to turn the steering wheel.

Can the steering wheel be turned?

Yes - Troubleshooting procedure complete

No - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Function test

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Fault-tracing information
If no fault is discovered, this indicates that the control module has previously registered a fault, but that the fault is no longer present. The fault is intermittent. No further fault-tracing is required.

Continue - No Fault Found

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