Precautions for Trouble Diagnosis
CAUTION: Follow the instructions listed below. Failure to do this may cause damage to parts:
Precautions for Harness Repair
NOTE: A fray of twisted lines must be within 110 mm (4.33 in).

NOTE: Bypass connection may cause CAN communication error. The spliced wire becomes separated and the characteristics of twisted line are lost.

SYSTEM DESCRIPTION
Combination switchExploded View 1. Combination switch 2. Combination switch harness connector Front Removal and Installation 1. Remove the steering wheel. Refer to ST "Removal and Installation". 2. Re ...

CAN COMMUNICATION SYSTEM CAN COMMUNICATION SYSTEM : System Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex commun ...
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 ...
Main power supply and ground circuit
Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
Turn ignition switch OFF.
Disconnect TCM connector.
Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> G ...