Nissan Leaf. Manual — part 1113
B0011 PASSENGER AIR BAG MODULE
SRC-53
< DTC/CIRCUIT DIAGNOSIS >
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Can the DTC be erased?
YES
>> Inspection End.
NO
>> Refer to
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to
SRC-11, "On Board Diagnosis Function"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010876976
NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp each time repair is finished. If malfunction is still observed, proceed to
the next step. When malfunction is eliminated, further repair work is not required.
1.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
• Visible damage to connector or terminal
• Loose terminal
• Poor connection
NOTE:
All harness connectors should be inspected from the air bag diagnosis unit to the end component (including
any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform one of the following repairs:
• Visible damage: Replace the harness.
• Loose terminal: Secure the terminal.
• Poor connection: Secure the connection.
2.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 3.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
3.
WIRING HARNESS
Check the wiring harness for visible damage.
NOTE:
The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component
(including any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the harness.
4.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
SRC-54
< DTC/CIRCUIT DIAGNOSIS >
B0011 PASSENGER AIR BAG MODULE
Is DTC still current?
YES
>> GO TO 5.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
5.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-38, "Removal and Installation"
.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 6.
NO
>> Clear DTC. Inspection End.
6.
FRONT PASSENGER AIR BAG MODULE
1. Replace the front passenger air bag module. Refer to
SR-26, "Removal and Installation"
.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 7.
NO
>> Clear DTC. Inspection End.
7.
RELATED HARNESS
Replace the related harness.
>> END
B0020 SIDE AIRBAG MODULE LH
SRC-55
< DTC/CIRCUIT DIAGNOSIS >
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B0020 SIDE AIRBAG MODULE LH
Description
INFOID:0000000010876977
DTC B0020 FRONT LH SIDE AIR BAG MODULE
The front LH side air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the front LH side air bag module.
PART LOCATION
SRC-6, "Component Parts Location"
.
DTC Description
INFOID:0000000010876978
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B0020–09, B0020–1A]
• Connection malfunction or short circuit of harness and connector
• Internal malfunction of side air bag module LH
• Internal malfunction of air bag diagnosis sensor unit
[B0020–11]
• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of side air bag module LH
• Internal malfunction of air bag diagnosis sensor unit
[B0020–12]
• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of side air bag module LH
• Internal malfunction of air bag diagnosis sensor unit
[B0020–13]
• Connection malfunction or open circuit of harness and connector
• Internal malfunction of side air bag module LH
• Internal malfunction of air bag diagnosis sensor unit
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to
YES (Past DTC)>>GO TO 2.
NO
>> Inspection End.
2.
ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B0020–09
SIDE A/B MODULE LH
[Left Side Airbag Deployment
Control (Subfault)]
[SHORT]
Side air bag module LH circuits are shorted to each other
B0020–11
[GND-SHORT]
Side air bag module LH circuit is shorted to ground
B0020–12
[VB-SHORT]
Side air bag module LH circuit is shorted to power supply circuit
B0020–13
[OPEN]
Side air bag module LH circuit is open
B0020–1A
[SHORT]
Side air bag module LH circuits are shorted to each other
SRC-56
< DTC/CIRCUIT DIAGNOSIS >
B0020 SIDE AIRBAG MODULE LH
Can the DTC be erased?
YES
>> Inspection End.
NO
>> Refer to
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to
SRC-11, "On Board Diagnosis Function"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010876979
NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp each time repair is finished. If malfunction is still observed, proceed to
the next step. When malfunction is eliminated, further repair work is not required.
1.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
• Visible damage to connector or terminal
• Loose terminal
• Poor connection
NOTE:
All harness connectors should be inspected from the air bag diagnosis unit to the end component (including
any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform one of the following repairs:
• Visible damage: Replace the harness.
• Loose terminal: Secure the terminal.
• Poor connection: Secure the connection.
2.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 3.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
3.
WIRING HARNESS
Check the wiring harness for visible damage.
NOTE:
The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component
(including any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the harness.
4.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
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