P1652
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE goes on immediately.
Engine will not start.
Misfiring can occur before trouble code is generated.
Main Relay Coil Circuit. Open / Short to Ground.
Fault symptoms
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CHECK ENGINE goes on immediately.
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Misfiring can occur before trouble code is generated.
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Conditions
The following conditions apply for this DTC:
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Crankshaft rotating and output voltage below 2 V when output is inactive.
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Condition fulfilled for 0.5 sec.
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Diagnostic help
Fault diagnosis concerns electrical fault in connecting leads or in the relay.
Functions in the diagnostic tool related to the fault:
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Activate main relay output.
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See also the description of activations,
, for more information.
Checking the wiring
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.
