Signal Too High

Signal too high. Permanent fault

Checking components and wiring




- Ignition off.

Warning! Under no circumstances use an ohmmeter or other live measuring instrument to take readings on a disconnected, non-deployed, pyrotechnic airbag. This could deploy the airbag!

Caution! Do not touch the terminal pins in the SRS control module. There is a risk of static discharge. This could damage the SRS control module.

Check the cable between the SRS control module terminal #2B (30) and central electronic module (CEM) terminal #B5 (D5) for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information:
- To access and replace the SRS control module and connector, see Supplemental restraint system module (SRS), replacing Service and Repair.
- To access and replace the central electronic module (CEM) and its connectors, see Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing.
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box, Supplemental Restraint System Module (SRS).
- To connect the breakout box to the central electronic module (CEM), see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM).
- To repair wiring, see Cable harness SRS system, repair Procedures.
- For other values for the SRS control module, see Signal specification Signal Description, Supplemental Restraint System (SRS) Control Unit.









Select "Continue" when the fault has been remedied.

Continue - Verification

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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 - Checking components and wiring

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Verification




Verification

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




- Ignition off
- Disconnect the battery negative lead
- Reinstall the connectors, components etc.
- Ignition on
- Connect the battery negative lead.

Warning! There must not be anyone inside the passenger compartment when the battery is connected.

- Read off diagnostic trouble codes (DTCs).
The fault is no longer present if the diagnostic trouble code (DTC) status is intermittent.





Is the diagnostic trouble code (DTC) intermittent?

Yes - Verification completed

No - Fault-tracing information

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