P1829

P1829 THROTTLE POSITION SIGNAL ECM

Description
Malfunction is detected in accelerator pedal position signal that is output from ECM through CAN communication. Also, the signal voltage from accelerator pedal position sensor may be abnormally high or low.

DTC Logic

P1829:

DTC CONFIRMATION PROCEDURE

1. DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Perform self-diagnosis.
Is DTC P1829 displayed?
YES >> Perform diagnosis procedure. Refer to "Diagnosis Procedure".
NO >> Inspection End.

Diagnosis Procedure

1. CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to EC-63, "CONSULT-III Function (ENGINE)". CONSULT-III Function (Engine)
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.

2. CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to DLN-79, "Reference Value". Reference Value
Are inspection results normal?
YES >> GO TO 3.
NO >> Check transfer control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.

3. CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
Are inspection results normal?
YES >> Inspection End.
NO >> Perform self-diagnosis with ECM again.