Description
When one of the steering wheel audio control switches is pushed, the resistance in steering switch circuit changes depending on which button is pushed.
Diagnosis Procedure
1.CHECK STEERING SWITCH RESISTANCE


2.CHECK HARNESS BETWEEN COMBINATION SWITCH (SPIRAL CABLE) AND BLUETOOTH CONTROL UNIT


3.CHECK HARNESS BETWEEN COMBINATION SWITCH (SPIRAL CABLE) AND AUDIO UNIT


4.COMBINATION SWITCH (SPIRAL CABLE) CHECK


5.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND AUDIO UNIT


6.CHECK AUDIO UNIT VOLTAGE

Subwoofer
Microphone signal circuitLicense plate lamp
Exploded View
License plate lamp
Removal and Installation
LICENSE PLATE LAMP
Removal'
Remove the license lamp finisher. Refer to EXT-31, "Removal and
Installation".
Position trunk lid finisher aside. Refer to INT-36, "Exploded
View".
Remove the license plate lamp screw and ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
3.BASIC INSPECTION
Check the operation of each part. Check if any concerns occu ...
U1000 CAN comm circuit
Description
Refer to LAN-24, "CAN Communication Signal Chart".
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detecting condition
Possible cause
U1000
CAN COMM CIRCUIT
Driver seat control unit cannot communicate to other control
units.
...