P1670
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE comes on after two driving cycles.
Cruise control inoperative.
Throttle control may go into mechanical limp-home mode, and P1251, P1260 or P1263 could then be generated as a secondary fault.
Throttle Limphome Relay Coil Circuit. Open / Short to Ground.
Fault symptoms
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CHECK ENGINE comes on after two driving cycles.
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Cruise control inoperative.
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Throttle control may go into mechanical limp-home mode, and P1251, P1260 or P1263 could then be generated as a secondary fault.
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Conditions
The following conditions apply for this DTC:
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Engine running and main relay voltage exceeds 10 V.
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Output voltage is below 2 V when the output is inactive.
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Conditions are met for 1 second.
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Diagnostic help
Fault diagnosis concerns electrical faults in connecting cables or in the relay.
See also the description of activating functions under ”Fault diagnosis, general” 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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