Description
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check
CAUTION: Before performing the diagnosis, check that the following is normal.
1.CHECK STEP LAMP OPERATION
CONSULT
ON : Step lamp ON
OFF : Step lamp OFF
Diagnosis Procedure
1.CHECK STEP LAMP OUTPUT
CONSULT
2.CHECK STEP LAMP OPEN CIRCUIT
3.CHECK STEP LAMP SHORT CIRCUIT
Power supply and ground circuit
POWER SUPPLY AND GROUND CIRCUIT AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
2.POWER SUPPLY CIRCUIT CHECK
Disconnect audio unit connector M133.
Check voltage between the audio unit connector M133 and ground.
3.GROUND C ...
Aux image signal circuit
Description
Transmits the image signal of AUX device from auxiliary input jacks to
AV control unit.
AV control unit transmits the image signal that is input to the
display unit.
Diagnosis Procedure
1.CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect ...
HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...