Diagnosis and repair workflowFront wiper motor ground circuit
Diagnosis Procedure
1.CHECK FRONT WIPER MOTOR (GND) OPEN CIRCUIT
Turn the ignition switch OFF.
Disconnect front wiper motor.
Check continuity between front wiper motor harness connector
and ground.
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U1244 GPS antenna
DTC Logic
Diagnosis Procedure
1.GPS ANTENNA CHECK
Inspect GPS antenna and antenna feeder for damage or poor connection.
2.CHECK AV CONTROL UNIT VOLTAGE
Turn ignition switch ON.
Check voltage between AV control unit connector M165 terminal
105 and ground.
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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.
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