BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL 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.
Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2. CHECK POWER SUPPLY CIRCUIT
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.
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL 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.
Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2. CHECK POWER SUPPLY CIRCUIT
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.
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
MOONROOF MOTOR ASSEMBLY
MOONROOF MOTOR ASSEMBLY : Description
MOONROOF MOTOR ASSEMBLY : Component Function Check
1. CHECK MOONROOF MOTOR FUNCTION
Does the tilt up/down & slide open/close functions operate normally with moonroof switch? Is the inspection result normal? YES >> Moonroof motor assembly is OK.
NO >> Refer to RF-26, "MOONROOF MOTOR ASSEMBLY : Diagnosis Procedure".
MOONROOF MOTOR ASSEMBLY : Diagnosis Procedure
Regarding Wiring Diagram information, refer to RF-17, "Wiring Diagram".
MOONROOF MOTOR ASSEMBLY
1. CHECK POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 3.
2. CHECK GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace harness.
3.CHECK HARNESS CONTINUITY
Is the inspection result normal? YES >> Refer to PWC-48, "Diagnosis Procedure".
NO >> Repair or replace harness.
4. CHECK MOONROOF SWITCH INPUT SIGNAL
Is the inspection result normal? YES >> GO TO 8.
NO >> GO TO 6.
5. CHECK MOONROOF SWITCH CIRCUIT
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace harness.
6. CHECK MOONROOF SWITCH GROUND CIRCUIT
Is the inspection result normal? YES >> Refer to RF-32, "Component Inspection".
NO >> Repair or replace harness.
7. CHECK COMBINATION METER SIGNAL
Is the inspection result normal? YES >> Replace moonroof motor assembly. Refer to RF-53, "Removal and Installation". After that, refer to RF-24, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
NO >> GO TO 9.
8.CHECK COMBINATION METER CIRCUIT
Is the inspection result normal? YES >> Replace combination meter. Refer to BCS-76, "Removal and Installation".
NO >> Repair or replace harness.
MOONROOF MOTOR ASSEMBLY : Special Repair Requirement
1. PERFORM INITIALIZATION PROCEDURE
Perform the initialization procedure.
Refer to RF-29, "MOONROOF MOTOR ASSEMBLY : Special Repair Requirement".
>> GO TO 2.
2. CHECK ANTI-PINCH OPERATION
Check the anti-pinch operation.
Refer to RF-29, "MOONROOF MOTOR ASSEMBLY : Special Repair Requirement".
Is the inspection result normal? YES >> Inspection End.
NO >> Check fitting adjustment.
SUNSHADE MOTOR ASSEMBLY
SUNSHADE MOTOR ASSEMBLY : Description
SUNSHADE MOTOR ASSEMBLY : Component Function Check
1. CHECK SUNSHADE MOTOR FUNCTION
Does the slide open and close functions operate normally with the moonroof switch? Is the inspection result normal? YES >> Sunshade motor assembly is OK.
NO >> Refer to RF-29, "SUNSHADE MOTOR ASSEMBLY : Diagnosis Procedure".
SUNSHADE MOTOR ASSEMBLY : Diagnosis Procedure
1.CHECK POWER SUPPLY
Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace the harness.
3.CHECK HARNESS CONTINUITY
Is the inspection result normal? YES >> Refer to PWC-48, "Diagnosis Procedure".
NO >> Repair or replace harness.
P1574 ASCD vehicle speed sensor
Description
The ECM receives two vehicle speed sensor signals via CAN communication line.
One is sent from combination
meter, and the other is from TCM (Transmission control module). The ECM uses
these signals for ASCD
control. Refer to EC-47, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Sys ...
Battery
Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
Make certain the terminal connections are
clean and securely tightened.
If the vehicle is not to be used for 30 days or
longer, disconnect the negative (-) battery
termina ...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2. CONFIRM THE SYMPTOM
Check the malfunction on the ...