P1609
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE goes on after two driving cycles.
Internal Control Module. Malfunction.
Fault symptoms
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CHECK ENGINE goes on after two driving cycles.
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Conditions
The following conditions apply for this DTC:
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Main relay still active (for 10 sec.).
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Throttle motor cannot be de-energized completely.
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Diagnostic help
Fault diagnosis concerns internal control module fault.
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.
