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P1654

Read the instructions below then start the fault diagnostic procedure.

Symptom: Engine will not start. P1135 can be generated as a follow-on fault if fault occurred while engine running.

P1654


Fuel Pump Relay Coil Circuit. Open / Short to Ground.


Fault symptoms


Engine will not start.

P1135 can be generated as a follow-on fault if fault occurred while engine running.


Conditions

The following conditions apply for this DTC:


Ignition ON and main relay voltage exceeding 10 V.

Output voltage below 2 V when output is inactive.

Condition fulfilled for 1 sec.


Diagnostic help

Fault diagnosis concerns electrical fault in connecting leads or in the relay.

Functions in the diagnostic tool related to the fault:


Activate fuel pump relay output.


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.