Auxiliary Output Diagnostic Code - Proheat M80 Service Manual

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PROHEAT M-SERIES SERVICE MANUAL
3.1.13

AUXILIARY OUTPUT Diagnostic Code

Indicates a short circuit fault in the harness or the device being operated by
the Auxiliary Output.
Troubleshoot the Auxiliary Output diagnostic code based on: PCM – electrical
Test procedure – PCM Output Signal:
a) Disconnect the Auxiliary Output harness at the PCM.
b) Switch the PROHEAT on and operate for at least one complete cycle.
Observe the operation.
If the diagnostic code is not indicated the fault is in the harness or the
driven device. Go to OEM for service requirements.
If the diagnostic code is still indicated, the PCM is faulty.
replacement, page 3-39.
PCM AUXILIARY OUTPUT
CONNECTION
Figure 3-41: Auxiliary Output Connector
Go to PCM
3-35