P0502
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE goes on after two driving cycles.
Cruise control not working.
Vehicle Speed. No input signal.
Fault symptoms
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CHECK ENGINE goes on after two driving cycles.
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Cruise control not working.
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Conditions
The following conditions apply for this DTC:
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Engine running and no vehicle speed.
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Brake pedal not depressed.
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The engine speed exceeds 2000 rpm.
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Load above 500 mg/c for longer than 5 sec.
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Then, 17 minutes without vehicle speed moving from 0.
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The selector lever on automatic cars must also have a value other than P or N.
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Diagnostic help
Fault diagnosis concerns an electrical fault in connecting leads. (Check if fault is in ABS first.)
Functions in the diagnostic tool related to the fault:
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Vehicle Speed (Wire from ABS), unit km/h.
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See also description of test readings,
, 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.
