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 Electronic Module (AEM), Replacing
- Signal specification Signal Specification, Accessory Electronic Module (AEM)
- Relay electrical engine block heater, replacing
- 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 - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information

Attempt New Test - Checking the component and wiring

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