Signal Too Low

Signal too low

Checking the component and wiring
Check the signal cable to the relay for the electric engine block heater. Check between accessory electronic module (AEM) terminal #B5 and the connector for the relay. Check for a short-circuit to ground.
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)
- Signal specification Signal Description, Accessory Electronic Module (AEM)
- Relay electrical engine block heater, replacing Service and Repair
- 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 electric engine block heater.

Does the system function?

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 - Checking the component and wiring

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