Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between HVAC and A-bag circuitU1244 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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Seat belt buckle switch signal circuit
Description
Transmits a seat belt buckle switch LH signal to the combination meter.
Component Function Check
1. CHECK COMBINATION METER INPUT SIGNAL
Start engine.
Monitor seat belt warning lamp while fastening and unfastening the
driver seat belt.
Diagnosis Procedure
Regarding Wiring ...
B2268 water temp
Description
The engine coolant temperature signal is transmitted from ECM to the
combination meter via CAN communication.
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS OF ECM
Perform "Self Diagnosis Result" of ECM, and repair or replace malfunctioning
parts.
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