AV
POWER SUPPLY AND GROUND CIRCUIT
AV-9
< COMPONENT DIAGNOSIS >[AUDIO WITHOUT NAVIGATION]
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COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000001728609
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK?
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 connector and ground.
Is inspection result OK?
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 connector.
3. Check continuity between AV control unit harness connector and ground.
Is inspection result OK?
YES >> INSPECTION END.
NO >> Repair harness or connector.
MICROPHONE
MICROPHONE : Diagnosis ProcedureINFOID:0000000001728770
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
1. Turn ignition switch ON.
Check voltage between microphone harness connector R15 terminal
4 and ground.
Is approximately 5V present?
YES >> GO TO 4
NO >> GO TO 2
Power source Fuse No.
Battery 27
Ignition switch ACC or ON 6
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
Battery power supply M43 19 OFF 12V
ACC power supply M43 7 ACC 12V
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M44 21 OFF Continuity should exist.
Signal nameConnector
No.Te r m i n a l N o .Ignition
switch posi-
tionValue (Ap-
prox.)
MIC power R15 4 ON 5V
WKIA5796E
AV-80
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000001728724
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK?
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 OK?
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 connector and ground.
Is inspection result OK?
YES >> INSPECTION END.
NO >> Repair harness or connector.
NAVI CONTROL UNIT
NAVI CONTROL UNIT : Diagnosis ProcedureINFOID:0000000001728723
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between NAVI control unit harness connectors and ground.
Power source Fuse No.
Battery 27
Ignition switch ACC or ON 6
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
Battery power supply M44 19 OFF 12V
ACC power supply M44 7 ACC 12V
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M44 21 OFF Continuity should exist.
Power source Fuse No.
Battery 27
Ignition switch ACC or ON 6
Ignition switch ON or START 2
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-81
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
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Is inspection result OK?
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 connector and ground.
Is inspection result OK?
YES >> INSPECTION END.
NO >> Repair harness or connector.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis ProcedureINFOID:0000000001728725
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK?
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 connectors and ground.
Is inspection result OK?
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.
Is inspection result OK?
YES >> INSPECTION END.
NO >> Repair harness or connector.
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
Battery power supply B69 2 OFF 12V
ACC power supply B69 5 ACC 12V
Ignition signal B68 63 ON 12V
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B69 1 OFF Continuity should exist.
Power source Fuse No.
Battery 27
Ignition switch ACC or ON 6
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
Battery power supply M100 21 OFF 12V
ACC power supply M100 20 ACC 12V
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M100 23 OFF Continuity should exist.
BCS-30
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000001451488
1. CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not fusing.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO >> GO TO 2.
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> INSPECTION END
NO >> Repair or replace harness.
Terminal No. Signal name Fuses and fusible link No.
22
Battery power supply9 (10A)
728 (10A)
74
G (40A)
79
24 Ignition power supply 55 (10A)
Te r m i n a l s
Ignition switch position
(+)
(−) BCM
OFF ACC ON
Connector Terminal
M1822
GroundBattery
voltageBattery
voltageBattery
voltage
24Approx.
0 VApprox.
0 VBattery
voltage
M2072
Battery
voltageBattery
voltageBattery
voltage 74
79
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BCM
GroundContinuity
Connector Terminal
M18 2
Ye s
M20 70
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CHG
CHARGING SYSTEM PRELIMINARY INSPECTION
CHG-9
< COMPONENT DIAGNOSIS >[HR16DE]
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COMPONENT DIAGNOSIS
CHARGING SYSTEM PRELIMINARY INSPECTION
Inspection ProcedureINFOID:0000000001724473
1.CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair battery terminals connection.
2.CHECK FUSE
Check for blown fuse and fusible link.
Is the inspection result normal?
YES >> GO TO 3
NO >> Be sure to eliminate cause of malfunction before installing new fuse or fusible link.
3.CHECK GENERATOR GROUND TERMINAL CONNECTION
Verify connector F4 terminal 5 (generator ground harness) is clean and tight.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair connection.
4.CHECK DRIVE BELT TENSION
Check drive belt tension. Refer to XX-XX, "*****"
.
Is the inspection result normal?
YES >> Inspection end.
NO >> Repair as needed.
Unit Power source (Power supply terminals) Fuse or Fusible Link
GeneratorBattery (terminal 3) Fuse 29
Battery (terminal 1) Fusible Link A
Combination meter Ignition switch ON (terminal 2) Fuse 3
CHG-12
< COMPONENT DIAGNOSIS >[HR16DE]
S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
DescriptionINFOID:0000000001724479
The output voltage of the generator is controlled by the IC regulator at terminal “3” (S) detecting the input volt-
age. Terminal “3” circuit detects the battery voltage to adjust the generator output voltage with the IC regulator.
Diagnosis ProcedureINFOID:0000000001724480
1.CHECK VOLTAGE REGULATOR CIRCUIT CONNECTION
Check to see if connector F2 terminal 3 is clean and tight.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair terminal connection. Confirm repair by performing complete Starting/Charging system test.
Refer to Technical Service Bulletin.
2.CHECK VOLTAGE REGULATOR CIRCUIT
Check voltage between generator harness connector F2 terminal 3
and ground.
Does battery voltage exist?
YES >> Refer to CHG-33, "Work Flow".
NO >> Check harness for open between generator and fuse.3 - ground Battery voltage
ALMIA0201ZZ
CHG
CHARGING SYSTEM PRELIMINARY INSPECTION
CHG-23
< COMPONENT DIAGNOSIS >[MR18DE]
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COMPONENT DIAGNOSIS
CHARGING SYSTEM PRELIMINARY INSPECTION
Inspection ProcedureINFOID:0000000001724524
1.CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair battery terminals connection.
2.CHECK FUSE
Check for blown fuse and fusible link.
Is the inspection result normal?
YES >> GO TO 3
NO >> Be sure to eliminate cause of malfunction before installing new fuse or fusible link.
3.CHECK GENERATOR GROUND TERMINAL CONNECTION
Verify connector F4 terminal 5 (generator ground harness) is clean and tight.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair connection.
4.CHECK DRIVE BELT TENSION
Check drive belt tension. Refer to XX-XX, "*****"
.
Is the inspection result normal?
YES >> Inspection end.
NO >> Repair as needed.
Unit Power source (Power supply terminals) Fuse or Fusible Link
GeneratorBattery (terminal 3) Fuse 29
Battery (terminal 1) Fusible Link A
Combination meter Ignition switch ON (terminal 2) Fuse 3
CHG-26
< COMPONENT DIAGNOSIS >[MR18DE]
S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
DescriptionINFOID:0000000001724530
The output voltage of the generator is controlled by the IC regulator at terminal “3” (S) detecting the input volt-
age. Terminal “3” circuit detects the battery voltage to adjust the generator output voltage with the IC regulator.
Diagnosis ProcedureINFOID:0000000001724531
1.CHECK VOLTAGE REGULATOR CIRCUIT CONNECTION
Check to see if connector F2 terminal 3 is clean and tight.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair terminal connection. Confirm repair by performing complete Starting/Charging system test.
Refer to Technical Service Bulletin.
2.CHECK VOLTAGE REGULATOR CIRCUIT
Check voltage between generator harness connector F2 terminal 3
and ground.
Does battery voltage exist?
YES >> Refer to CHG-33, "Work Flow".
NO >> Check harness for open between generator and fuse.3 - ground Battery voltage
ALMIA0201ZZ