Check SV1 Circuit

Failure detected in the SV1 solenoid valve electrical circuit.

Possible causes

Shorted or open solenoid coil
Corroded or loose valve connector
Defective APX digital output module
Wiring shorted to chassis

Recommended actions

Test active resistance of SV1 coil
Check voltage supply to the coil
Clean electrical terminals
Inspect main wiring harness

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