Diagnosis and repair work flowU1244 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.
...
Power supply and ground circuit
Diagnosis Procedure
1.CHECK GROUND CONNECTION-I
Turn ignition switch OFF.
Check ground connection E9. Refer to Ground Inspection
2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I
Disconnect ECM harness connector.
Check the continuity between ECM harness connector and ground.
Also che ...
P0506 ISC system
Description
The ECM controls the engine idle speed to a specified level via the fine
adjustment of the air, which is let into
the intake manifold, by operating the electric throttle control actuator. The
operating of the throttle valve is varied
to allow for optimum control of the engine id ...