P1641
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Engine fails to start.
Misfiring before DTC is generated.
Fuel Pump Relay. No Voltage to Fuel Pump and O2S Preheating.
Fault symptoms
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Misfiring before DTC is generated.
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Conditions
The following conditions apply for this DTC:
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Crankshaft rotating and engine misfiring.
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Diagnostic help
Fault diagnosis concerns electrical faults in connecting cables or in the relay.
Diagnostic tool functions related to this fault are:
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Activation of output for fuel pump relay.
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See also the description of activations under
Menu "Activation"
for more information.
Check the wiring
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Note
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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.
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