Nissan Tiida C11. Instruction — part 1196
SRC-12
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
SRS Air bag warning lamp examples
DIAGNOSTIC PROCEDURE 2
1.
Connect CONSULT-III.
2.
Diagnostic code is displayed on "SELF-DIAG [CURRENT]".
If no malfunction is detected on "SELF-DIAG [CURRENT]", but malfunction is detected in "SRS Operation
Check" using the "AIR BAG" warning lamp, the following cases may exist:
• "SELF-DIAG [PAST]" memory might not be erased.
• The SRS system malfunctions intermittently.
Perform DIAGNOSTIC PROCEDURE 4. Refer to
SRC-13, "Self-Diagnosis Function (Without CONSULT-
“AIR BAG” warning lamp (User mode)
SRS condition
Reference item
• No malfunction is detected.
• No further action is necessary.
—
The system is malfunctioning and
needs to be repaired as indicated.
Proceed to DIAGNOSTIC PROCE-
DURE 2 that follows (with CON-
SULT-III) or
Diagnosis without CONSULT-III"
(without CONSULT-III).
• Air bag is deployed.
• Seat belt pre-tensioner is deployed.
Proceed to COLLISION DIAGNO-
SIS
SR-23, "For Frontal Collision"
or
SR-24, "For Side and Rollover Colli-
sion"
• Air bag diagnosis sensor unit is mal-
functioning.
• Air bag power supply circuit is mal-
functioning.
• SRS air bag warning lamp circuit is
malfunctioning.
Refer to
.
• Air bag diagnosis sensor unit is mal-
functioning.
• Air bag warning lamp circuit is mal-
functioning.
Refer to
.
SHIA0011E
SHIA0012E
SHIA0013E
SHIA0014E
ON BOARD DIAGNOSTIC (OBD) SYSTEM
SRC-13
< FUNCTION DIAGNOSIS >
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Trouble Diagnosis without CONSULT-III
INFOID:0000000001396362
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunction Using "AIR BAG" Warning Lamp—Diagnosis Mode
NOTE:
SRS will not enter Diagnosis mode if no malfunction is detected in User mode.
1.
Turn ignition switch ON.
2.
After “AIR BAG” warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
3.
Wait more than 3 seconds.
4.
Repeat steps 1 to 3 two more times (3 times total).
5.
Turn ignition switch ON.
SRS is now in Diagnosis mode. Refer to
SRC-13, "Trouble Diagnosis without CONSULT-III"
CONSULT-III Function (AIR BAG)
INFOID:0000000001396363
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
Self-Diagnosis Function (Without CONSULT-III)
INFOID:0000000001396364
• The reading of these results is accomplished using one of two modes —“User mode” and “Diagnosis mode”.
• After a malfunction is repaired, turn the ignition switch OFF for at least one second, then back ON. Diagnosis
mode returns to the User mode. At that time, the self-diagnostic result is cleared.
AIR BAG diagnostic mode
Description
SELF-DIAG [CURRENT]
A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis
mode) is displayed on the CONSULT-III screen in real time. This refers to a malfunctioning part requir-
ing repairs.
SELF-DIAG [PAST]
Diagnosis results previously stored in the memory are displayed on the CONSULT-III screen. The
stored results will remain until memory erasing is executed.
TROUBLE DIAG RECORD
With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-III screen.
ECU DISCRIMINATED NO.
The air bag diagnosis sensor unit for each vehicle model is assigned with its own, individual classifica-
tion number. This number will be displayed on the CONSULT-III screen, as shown. When replacing the
air bag diagnosis sensor unit, refer to the part number for the compatibility. After installation, replace-
ment with a correct unit can be checked by confirming this classification number on the CONSULT-III
screen.
The air bag diagnosis sensor unit discriminated numbers assigned are:
• A60C (LHD vehicles with front side air bags only)
• A60A (RHD vehicles with front side air bags only)
• A60E (LHD vehicles with front side and side curtain air bags)
• A60B (RHD vehicles with front side and side curtain air bags)
• A611 (vehicles without front side and side curtain air bags)
PASSENGER AIR BAG
The STATUS (readiness) of the front passenger air bag module is displayed. The STATUS displayed
(ON/OFF) depends on the signals supplied to the air bag diagnosis sensor unit from the passenger air
bag deactivation switch. Refer to
SRC-8, "Passenger Air Bag Deactivation Switch"
for more informa-
tion.
SRC-14
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
HOW TO CHANGE SELF-DIAGNOSIS MODE
DIAGNOSTIC PROCEDURE 3
Final Check of SRS Using CONSULT-III—Diagnosis Mode
1.
Connect CONSULT-III.
2.
If no DTC is detected on “SELF-DIAG [CURRENT]”, repair of SRS is completed. Go to step 3.
If any DTC is detected on “SELF-DIAG [CURRENT]”, the malfunctioning part has not been repaired com-
pletely or another malfunctioning part is being detected. Perform DIAGNOSTIC PROCEDURE 2. Refer to
3.
Touch “ERASE”.
NOTE:
Touch “ERASE” to clear the memory of the malfunction (“SELF-DIAG [PAST]”).
If the memory of the malfunction in “SELF-DIAG [PAST]” is not erased, the User mode shows the system
malfunction by the operation of the warning lamp even if the malfunction is repaired completely.
4.
Touch “BACK” key of CONSULT-III. Touch “SELF-DIAG [PAST]”.
5.
Check that no malfunction is detected on “SELF-DIAG [PAST]”.
6.
Touch “BACK” key of CONSULT-III to return to User mode from Diagnosis mode.
7.
Turn ignition switch OFF and then turn off and disconnect CONSULT-III.
8.
Go to
DIAGNOSTIC PROCEDURE 4
Check SRS Repair History
1.
CONSIDER POSSIBILITY THAT SELF-DIAGNOSTIC RESULT WAS NOT ERASED AFTER REPAIR
Check repair history of the SRS.
Have any previous repairs been made to the SRS?
Yes
>> Self-diagnostic result “SELF-DIAG [PAST]” (previously stored in the memory) might not be erased
after repair. Perform DIAGNOSTIC PROCEDURE 3. Refer to
SRC-13, "Self-Diagnosis Function
.
No
>> Perform DIAGNOSTIC PROCEDURE 2. Refer to
.
SHIA0183E
B1049 - B1052 DRIVER AIR BAG MODULE
SRC-15
< COMPONENT DIAGNOSIS >
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COMPONENT DIAGNOSIS
B1049 - B1052 DRIVER AIR BAG MODULE
Description
INFOID:0000000001396365
DTC B1049 – B1052 DRIVER AIRBAG MODULE
The driver air bag module is single stage and wired to the air bag diagnosis sensor unit through the spiral
cable. The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the driver air
bag module including the spiral cable.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000001396366
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2
2.
CONSULT-III
Select "DIAG MODE".
>> GO TO 3
CONSULT-III name
DTC
DTC detecting condition
Repair order
DRIVER AIRBAG MODULE
[OPEN]
B1049
Driver air bag module circuit (DR1) is open
(including the spiral cable).
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Replace the driver air bag module.
4.
Replace the spiral cable.
5.
Replace the air bag diagnosis sensor unit.
6.
Replace the related harness.
DRIVER AIRBAG MODULE
[VB-SHORT]
B1050
Driver air bag module circuit (DR1) is
shorted to a power supply circuit
(including the spiral cable).
DRIVER AIRBAG MODULE
[GND-SHORT]
B1051
Driver air bag module circuit (DR1) is
shorted to ground
(including the spiral cable).
DRIVER AIRBAG MODULE
[SHORT]
B1052
Driver air bag module circuits (DR1) are
shorted to each other
(including the spiral cable).
WHIA0260E
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