DTC DETECTION LOGIC
NOTE:
If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
DTC Logic
.
If DTC P1612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC Logic
.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1612
CHAIN OF ECM-IMMU
Inactive communication between ECM and BCM
Harness or connectors
(The CAN communication line is open or shorted)
BCM
ECM
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Turn ignition switch ON under the following conditions.
Shift lever is in the P or N position.
Do not depress brake pedal.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>>
Go to
Diagnosis Procedure
.
NO
>>
INSPECTION END