P1240
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE goes on after two driving cycles.
Throttle control not functioning precisely.
Cruise control not working.
Throttle Motor Circuit. Shorted.
Fault symptoms
|
•
|
CHECK ENGINE goes on after two driving cycles.
|
|
•
|
Throttle control not functioning precisely.
|
|
•
|
Cruise control not working.
|
Conditions
The following conditions apply for this DTC:
|
•
|
Ignition ON and motor current exceeding 8 A during the positive or negative part of the PWM period.
|
|
•
|
Condition fulfilled for 3 min.
|
Diagnostic help
The trouble code is generated when the lead from control module pin 48 is short circuited to B+.
Functions in the diagnostic tool related to the fault:
|
•
|
Activate output for throttle motor.
|
See also the description of activations,
, 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.
