Juke F15 (2012 year). Service Repair Manual — part 335

SRC-32

< DTC/CIRCUIT DIAGNOSIS >

B1023 PASSENGER AIR BAG OFF INDICATOR

B1023 PASSENGER AIR BAG OFF INDICATOR

DTC Logic

INFOID:0000000006439868

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-32, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439869

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

DIAGNOSTIC PROCEDURE

1.

CHECK HARNESS CONNECTOR

Check the connection of harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

CHECK PASSENGER AIR BAG OFF INDICATOR

1.

Replace passenger air bag OFF indicator.

2.

Perform DTC confirmation procedure. Refer to

SRC-32, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-32, "DTC Logic"

.

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1023

PASS A/B INDCTR CKT
[UNIT FAIL]

Passenger air bag OFF indicator circuit
is open or shorted to ground or the cir-
cuits are shorted each other

• Harness or connectors
• Malfunction in passenger air bag OFF indicator
• Malfunction in air bag diagnosis sensor unit

B1023 PASSENGER AIR BAG OFF INDICATOR

SRC-33

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

SRC-34

< DTC/CIRCUIT DIAGNOSIS >

B1024 PASS A/B DEACT SW

B1024 PASS A/B DEACT SW

DTC Logic

INFOID:0000000006439870

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter diagnosis mode if no malfunction is detected in user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-34, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439871

WARNING:

• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-

utes. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the connection of harness connector.

Is the connection normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Are the harness external parts normal (no damage)?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

CHECK AIR BAG CUTOFF SWITCH

1.

Replace air bag cutoff switch..

2.

Perform DTC confirmation procedure. Refer to

SRC-34, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-34, "DTC Logic"

.

Is DTC detected?

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1024

PASS A/B DEACT SW
[UNIT FAIL]

Air bag cutoff switch circuit is open or shorted
to ground or the circuits are shorted each oth-
er.

• Disconnection of wiring harness.
• Malfunction in air bag cutoff switch.
• Malfunction in air bag diagnosis sensor

unit

B1024 PASS A/B DEACT SW

SRC-35

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

YES

>> GO TO 1.

NO

>> INSPECTION END

SRC-36

< DTC/CIRCUIT DIAGNOSIS >

B1026, B1027, B1028, B1029, B1030, B1031 DIAGNOSIS SENSOR UNIT

B1026, B1027, B1028, B1029, B1030, B1031 DIAGNOSIS SENSOR UNIT

DTC Logic

INFOID:0000000006439872

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-36, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439873

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-36, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1026
B1027
B1028
B1029
B1030
B1031

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

Malfunction in air bag diagnosis sensor unit

B1033, B1034 CRASH ZONE SENSOR

SRC-37

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B1033, B1034 CRASH ZONE SENSOR

DTC Logic

INFOID:0000000006439874

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-37, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439875

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE CRASH ZONE SENSOR

1.

Replace crash zone sensor. Refer to

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-37, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-37, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1033
B1034

CRASH ZONE SEN
[UNIT FAIL]

Crash zone sensor is malfunctioning

• Harness or connectors
• Malfunction in crash zone sensor
• Malfunction in air bag diagnosis sensor unit

SRC-38

< DTC/CIRCUIT DIAGNOSIS >

B1033, B1034 CRASH ZONE SENSOR

NO

>> INSPECTION END

B1035 CRASH ZONE SENSOR

SRC-39

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B1035 CRASH ZONE SENSOR

DTC Logic

INFOID:0000000006439876

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-39, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439877

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE CRASH ZONE SENSOR

1.

Replace crash zone sensor. Refer to

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-39, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-39, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1035

CRASH ZONE SEN
[COMM FAIL]

Crash zone sensor is malfunctioning or out of
the specified specification

• Harness or connectors
• Malfunction in crash zone sensor
• Malfunction in air bag diagnosis sensor unit

SRC-40

< DTC/CIRCUIT DIAGNOSIS >

B1035 CRASH ZONE SENSOR

NO

>> INSPECTION END

B1036 CRASH ZONE SENSOR

SRC-41

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B1036 CRASH ZONE SENSOR

DTC Logic

INFOID:0000000006439878

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-41, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439879

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE CRASH ZONE SENSOR

1.

Replace crash zone sensor. Refer to

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-41, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-41, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1036

CRASH ZONE SEN
[UNMATCH]

Crash zone sensor is out of the specified speci-
fication

Diagnosis sensor unit or crash zone sensor is
different from the part specified

SRC-42

< DTC/CIRCUIT DIAGNOSIS >

B1037, B1039, B1041 CRASH ZONE SENSOR

B1037, B1039, B1041 CRASH ZONE SENSOR

DTC Logic

INFOID:0000000006439880

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-42, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439881

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE CRASH ZONE SENSOR

1.

Replace crash zone sensor. Refer to

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-42, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-42, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1037
B1039
B1041

CRASH ZONE SENS1

Crash zone sensor is malfunctioning

• Malfunction in crash zone sensor
• Malfunction in air bag diagnosis sensor unit

B1037, B1039, B1041 CRASH ZONE SENSOR

SRC-43

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

NO

>> INSPECTION END

SRC-44

< DTC/CIRCUIT DIAGNOSIS >

B1042, B1043, B1044, B1045, B1046, B1047 DIAGNOSIS SENSOR UNIT

B1042, B1043, B1044, B1045, B1046, B1047 DIAGNOSIS SENSOR UNIT

DTC Logic

INFOID:0000000006439882

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-44, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439883

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-44, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1042
B1043
B1044
B1045
B1046
B1047

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

Malfunction in air bag diagnosis sensor unit

B1049, B1054 DRIVER AIR BAG MODULE

SRC-45

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B1049, B1054 DRIVER AIR BAG MODULE

DTC Logic

INFOID:0000000006439884

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?

YES

>> Refer to

SRC-45, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439885

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

CHECK SPIRAL CABLE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver air bag module harness connector and combination switch (spiral cable) harness con-
nector.

3.

Check continuity between driver air bag module harness connector and combination switch (spiral cable)
harness connector.

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1049
B1054

DRIVER AIRBAG
MODULE
[OPEN]

Driver air bag module circuit is open
(including the spiral cable)

• Harness or connectors

(The module circuit is open.)

• Malfunction in driver air bag module
• Malfunction in spiral cable
• Malfunction in air bag diagnosis sensor unit

SRC-46

< DTC/CIRCUIT DIAGNOSIS >

B1049, B1054 DRIVER AIR BAG MODULE

4.

Check continuity between driver air bag module harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace combination switch (spiral cable). Refer to

SR-16, "Removal and Installation"

.

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-45, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 5.

NO

>> INSPECTION END

5.

REPLACE DRIVER AIR BAG MODULE

1.

Replace driver air bag module. Refer to

SR-13, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-45, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

Driver air bag module

Combination switch (spiral cable)

Continuity

Connector

Terminal

Connector

Terminal

M301

10

M32

28

Existed

11

30

Driver side air bag module

Ground

Continuity

Connector

Terminal

M301

10

Not existed

11

B1050, B1055 DRIVER AIR BAG MODULE

SRC-47

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B1050, B1055 DRIVER AIR BAG MODULE

DTC Logic

INFOID:0000000006439886

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-12, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-47, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006439887

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE SPIRAL CABLE

1.

Replace combination switch (spiral cable). Refer to

SR-16, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-47, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-30, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-47, "DTC Logic"

.

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1050
B1055

DRIVER AIRBAG
MODULE
[VB-SHORT]

Driver air bag module circuit is shorted to
power supply circuit
(including the spiral cable)

• Harness or connectors

(The module circuit is shorted.)

• Malfunction in driver air bag module
• Malfunction in spiral cable
• Malfunction in air bag diagnosis sensor unit