DTC DETECTION LOGIC
NOTE:

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON, and wait for 0.5 seconds or more.
2. Check "Self-diagnosis result" of BCM with CONSULT.
Is DTC detected?
YES >> Go to PCS "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to PCS "Wiring Diagram".
1. CHECK SELF DIAGNOSTIC RESULT FOR IPDM E/R
Perform self diagnostic result for IPDM E/R.
Are any DTCs detected?
YES >> Refer to PCS"DTC Index".
NO >> GO TO 2
2. CHECK IGNITION RELAY-1 POWER SUPPLY (IPDM E/R)
Check voltage between IPDM E/R connector E47 terminal 90 and ground.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS "Removal and Installation".
NO >> GO TO 3.
3. CHECK IGNITION RELAY-1 POWER SUPPLY (BCM)
Check voltage between BCM connector M98 terminal 98 and ground.
Is the inspection result normal?
YES >> Refer to GI "Intermittent Incident".
NO >> Replace BCM. Refer to BCS "Removal and Installation".
Lock-up control
Lock-up control : system diagram
Lock-up control : system description
The torque converter clutch piston in the torque converter is engaged to
eliminate torque converter slip to
increase power transmission efficiency.
The torque converter clutch control valve operation is controlle ...
U0140 Lost communication (BCM)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0140
Lost Communication With Body
Control Module
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from BCM continuously ...