AV-236
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003901178
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between AV control unit harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between AV control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connectors.
3. Check continuity between AV control unit harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis ProcedureINFOID:0000000003901179
1.CHECK POWER SUPPLY CIRCUIT (DISPLAY SIDE)
Check voltage between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
Ignition switch ON or START 4
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M12719 OFF
Battery voltage ACC power supply 7 ACC
Ignition signal M131 104 ON
Signal name Connector No. Terminal No. Ignition switch position Continuity
GroundM127 20
OFF Existed
M131 85
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Inverter VCC
M492
ACC 9 V
Signal VCC 3
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-237
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the harness connector between display unit and AV control unit.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1. Connect the AV control unit harness connector.
2. Turn ignition switch ACC.
3. Check voltage between AV control unit harness connector and ground.
Is inspection result normal?
YES >> INSPECTED END.
NO >> Replace AV control unit.
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> INSPECTED END.
NO >> Repair harness or connector.
MULTIFUNCTION SWITCH
MULTIFUNCTION SWITCH : Diagnosis ProcedureINFOID:0000000003901181
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
Signal nameDisplay unit AV control unit
Continuity
Connector No. Terminal No. Connector No. Terminal No.
Ground M492
M12959
Existed
347
Signal nameDisplay unit
GroundContinuity
Connector No. Terminal No.
Inverter VCC
M492
Not existed
Signal VCC 3
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Inverter VCC
M12959
ACC 9 V
Signal VCC 47
Signal nameDisplay unit
GroundContinuity
Connector No. Terminal No.
Ground M49 1 Existed
Power source Fuse No.
Ignition switch ACC or ON 19
AV-238
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between multifunction switch and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect multifunction switch connector.
3. Check continuity between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
BOSE AMP.
BOSE AMP. : Diagnosis ProcedureINFOID:0000000003901182
1.CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between BOSE amp. harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check harness between BOSE amp. and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE amp. connector.
3. Check continuity between BOSE amp. harness connector and ground.
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
ACC power supply M125 3 ACC Battery voltage
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M125 1 OFF Existed
Power source Fuse No.
Battery 32, 33
Ignition switch ACC 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply B22410
OFF
Battery voltage 11
ACC power supply B225 20 ACC
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-239
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
CAMERA CONTROL UNIT
CAMERA CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003901183
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUITS
Check voltage between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between camera control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector.
3. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DVD PLAYER
DVD PLAYER : Diagnosis ProcedureINFOID:0000000003901184
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B2247
OFF Existed
12
Power source Fuse No.
Battery 31
Ignition switch ACC 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
B25132 OFF
Battery voltage
ACC power supply 30 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B251 31 OFF Existed
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
AV-240
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between DVD player harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between DVD player and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect DVD player connectors.
3. Check continuity between DVD player harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M2542OFF
Battery voltage
ACC power supply 4 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M254 1 OFF Existed
AV-464
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003765895
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between AV control unit harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between AV control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connectors.
3. Check continuity between AV control unit harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
NAVI CONTROL UNIT
NAVI CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003765896
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
Ignition switch ON or START 4
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M12719 OFF
Battery voltage ACC power supply 7 ACC
Ignition signal M131 104 ON
Signal name Connector No. Terminal No. Ignition switch position Continuity
GroundM127 20
OFF Existed
M131 85
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-465
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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2.CHECK POWER SUPPLY CIRCUIT
Check voltage between NAVI control unit harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between NAVI control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connectors.
3. Check continuity between NAVI control unit harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis ProcedureINFOID:0000000003765897
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between display unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector and ground.
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
B2541OFF
Battery voltage
ACC power supply 3 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B254 2 OFF Existed
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M492OFF
Battery voltage
ACC power supply 3 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M491
OFF Existed
13
AV-466
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
MULTIFUNCTION SWITCH
MULTIFUNCTION SWITCH : Diagnosis ProcedureINFOID:0000000003765898
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between multifunction switch and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect multifunction switch connector.
3. Check continuity between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
BOSE AMP.
BOSE AMP. : Diagnosis ProcedureINFOID:0000000003765899
1.CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between BOSE amp. harness connector and ground.
Power source Fuse No.
Ignition switch ACC or ON 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
ACC power supply M125 3 ACC Battery voltage
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M125 1 OFF Existed
Power source Fuse No.
Battery 32, 33
Ignition switch ACC 19