P0704
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Cruise control not working.
Drivability problems
Clutch Switch Plausibility fault.
Fault symptoms
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Cruise control not working.
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On-Board Diagnostics
Type of diagnosis:
Enable criteria:
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-
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Battery voltage should be 10.2 - 15.3 V.
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Vehicle speed has exceeded a speed of 49 km/h and been reduced to 0 km/h 3 times with a deceleration of 1.6 m/s² (somewhat heavy braking).
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Fault criteria:
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Clutch signal has not been detected when the above enable criteria have been fulfilled 3 times.
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Dependents:
System reaction to a fault:
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Cruise control not working.
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OK report:
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Clutch signal has been detected 3 consecutive times when the above enable criteria have been fulfilled 3 times.
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Fault handling:
(See section
Fault handling III, other emissions-related components and functions
for more information)
Diagnostic help
Fault diagnosis concerns an electrical fault in the connecting leads or in the switch.
Functions in the diagnostic tool related to the fault:
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-
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Read value:
Clutch Switch. Cruise Control
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See also description of read value under
"Read Values" menu
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.
