DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Is DTC detected?
YES >> Refer to DLK "Diagnosis Procedure".
NO >> Outside key antenna (LH) is OK.
Regarding Wiring Diagram information, refer to DLK "INTELLIGENT KEY SYSTEM : Wiring Diagram".
1.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> GO TO 2.
2.CHECK OUTSIDE KEY ANTENNA CIRCUIT


Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2

Is the inspection result normal?
YES >> Replace outside key antenna (LH).
NO >> Replace BCM. Refer to BCS "Removal and Installation".
U0155 Lost communication (IPC)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0155
Lost Communication With Instrument
Panel Cluster (IPC)
Control Module
When the ignition switch is ON,
TCM is unable to receive the
CAN communications ...
P0731 1GR Incorrect ratio
Description
This malfunction is detected when the A/T does not shift into 1GR position as
instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC ...