WITH INTELLIGENT KEY SYSTEM
WITH INTELLIGENT KEY SYSTEM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-50, "Wiring Diagram".
1. CHECK FUSE
Check that the following fuse is not blown.
Terminal No. | Signal name | Fuse No. |
161 | BCM power supply | 7 (10A) |
Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2. CHECK POWER SUPPLY CIRCUIT
BCM | Ground | Voltage (Approx.) | |
Connector | Terminal | ||
M20 | 161 | — | Battery voltage |
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 and ground.
BCM | Ground | Continuity | |
Connector | Terminal | ||
M20 | 170 | — | Yes |
171 |
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
WITHOUT INTELLIGENT KEY SYSTEM
WITHOUT INTELLIGENT KEY SYSTEM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-110, "Wiring Diagram".
1. CHECK FUSE
Check that the following fuse is not blown.
Terminal No. | Signal name | Fuse No. |
161 | BCM power supply | 7 (10A) |
Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2. CHECK POWER SUPPLY CIRCUIT
BCM | Ground | Voltage (Approx.) | |
Connector | Terminal | ||
M20 | 161 | — | Battery voltage |
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 and ground.
BCM | Ground | Continuity | |
Connector | Terminal | ||
M20 | 170 | — | Yes |
171 |
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
System description
COMPONENT PARTS
Component Parts Location
View with back door finisher removed
View with glove box assembly removed
View with front bumper removed
View with front bumper removed
Rear under body LH
View with luggage rear plate removed
No.
Component ...
Preparation
Commercial Service Tool
Tool name
Description
Brake drum clearance gauge
Measuring rear rotor drum inner diamete
Power tool
Loosening nuts, screws and bolts
...
U0141 lost communication (BCM A)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0141
LOST COMM (BCM A)
(Lost Communication With Body Control Module
A)
When the ignition switch is turned ON, TCM continues no reception of
the ...