Diagnosis Procedure
NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
1.PERFORM SELF DIAGNOSTIC RESULT
Perform "SELF DIAGNOSTIC RESULT".
Is DTC "U1000" detected?
YES >> Malfunction in CAN communication system. Refer to LAN "Trouble Diagnosis Flow Chart".
NO >> GO TO 2
2.CHECK COMBINATION METER
Check combination meter operation. Refer to MWI "CONSULT Function" (type B) or MWI "CONSULT Function" (type A).
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation" or BCS "Removal and Installation".
NO >> Replace combination meter. Refer to MWI "Removal and Installation" (type B) or MWI "Removal and Installation" (type A).

Diagnosis Procedure 1.INSPECT BCM CONNECTOR Turn ignition switch OFF. Disconnect BCM connectors. Check terminals for damage or loose connections. Is the inspection result normal? YES > ...
Combination switch
Exploded 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. Remove the steering column cover. Refer to IP "Removal and Installation".
3. Remove the com ...
Front door speaker
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
Is the inspection result normal?
YES >> ...