Diesel Data: Automotive Repair

Signal Too High






Signal too high

Checking the component and wiring
Check the signal cable for alarm output P0. Check between accessory electronic module (AEM) terminal #B15 and the connector for the alarm unit. Check for a short-circuit to supply voltage.
Remedy as necessary.

Other information:
- Connecting the breakout box Connecting The Breakout Box, Accessory Electronic Module (AEM)
- Accessory control module (AEM) Accessory Control Module (AEM) Accessory control module (AEM) Accessory Control Module (AEM)
- Signal specification Signal Description, Accessory Electronic Module (AEM)
- Checking wiring and terminals Checking Wiring and Terminals










Continue - Verification

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Verification




Verification

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








- Ignition off
- Reconnect the components, connectors etc.
- Ignition on.
Check the function of the alarm by activating it appropriately.

Does the system function?

Yes - Fault Found

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.

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