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P1652

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lights up straight away. Engine fails to start. Possible misfiring before DTC is generated.

P1652


Main Relay Coil Circuit. Open / Short to Ground.


Fault symptoms


CHECK ENGINE lights up straight away.

Engine fails to start.

Possible misfiring before DTC is generated.


Conditions

The following conditions apply for this DTC:


Crankshaft rotating and output voltage below 2 V when the output is inactive.

Conditions are met for 0.5 seconds.


Diagnostic help

Fault diagnosis concerns electrical faults in connecting cables or in the relay.

Diagnostic tool functions related to this fault are:


Activation of output for main relay.


See also the description of activations under Menu "Activation" for more information.

Check the wiring

Note

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.