NISSAN ALMERA N16 2001 Electronic Repair Manual

SRS772
7. Diagnostic codes are displayed on ªSELF-DIAG [CURRENT]º.
SRS701
If no malfunction is detected on ªSELF-DIAG [CURRENT]º but mal-
function is indicated by the ªAIR BAGº warning lamp, go to DIAG-
NOSTIC PROCEDURE 4, page RS-56, to diagnose the following
situations:
+Self-diagnostic result ªSELF-DIAG [PAST]º (previously stored
in the memory) might not be erased after repair.
+The SRS system malfunctions intermittently.
8. Touch ªPRINTº.
9. Compare diagnostic codes to ªCONSULT-II Diagnostic Code
Chartº, RS-51.
10. Touch ªBACKº key of CONSULT-II until ªSELECT SYSTEMº
appears in order to return to User mode from Diagnosis mode.
11. Turn ignition switch ªOFFº, then turn off and disconnect
CONSULT-II, and disconnect both battery cables.
12. Repair the system as outlined by the ªRepair orderº in ªCON-
SULT-II Diagnostic Code Chartº, that corresponds to the self-
diagnostic result. For replacement procedure of component
parts, refer to RS-26.
13. After repairing the system, go to DIAGNOSTIC PROCEDURE
3, page RS-54 for final checking.
CONSULT-II DIAGNOSTIC CODE CHART (ªSELF-DIAG
[CURRENT]º)
NJRS0048S0102
Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
NO DTC IS DETECTED When malfunction is indicated
by the ªAIR BAGº warning
lamp in User mode+Self-diagnostic result ªSELF-
DIAG [PAST]º (previously
stored in the memory) might
not be erased after repair.
+Intermittent malfunction has
been detected in the past.+Go to DIAGNOSTIC PRO-
CEDURE 3 (RS-54).
+No malfunction is detected.+Go to DIAGNOSTIC PRO-
CEDURE 3 (RS-54).
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-51

Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
AIRBAG MODULE
[OPEN]+Driver air bag module circuit 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 spiral cable.
4. Replace driver air bag mod-
ule.
(Before disposal, it must be
deployed.)
5. Replace the diagnosis sen-
sor unit.
6. Replace the related har-
ness. AIRBAG MODULE
[VB-SHORT]+Driver air bag module circuit is shorted to a power supply
circuit. (including the spiral cable)
AIRBAG MODULE
[GND-SHORT]+Driver air bag module circuit is shorted to ground. (including
the spiral cable)
AIRBAG MODULE
[SHORT]+Driver air bag module circuits are shorted to each other.
ASSIST A/B MODULE
[VB-SHORT]+Front passenger air bag module circuit is shorted to a power
supply circuit.1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace front passenger air
bag module.
(Before disposal, it must be
deployed.)
4. Replace the diagnosis sen-
sor unit.
5. Replace the related har-
ness. ASSIST A/B MODULE
[OPEN]+Front passenger air bag module circuit is open.
ASSIST A/B MODULE
[GND-SHORT]+Front passenger air bag module circuit is shorted to ground.
ASSIST A/B MODULE
[SHORT]+Front passenger air bag module circuits are shorted to each
other.
SIDE MODULE LH
[OPEN]+Front LH side air bag module circuit is open. 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace front LH side air
bag module.
(Before disposal, it must be
deployed.)
4. Replace the diagnosis sen-
sor unit.
5. Replace the related har-
ness. SIDE MODULE LH
[VB-SHORT]+Front LH side air bag module circuit is shorted to a power
supply circuit.
SIDE MODULE LH
[GND-SHORT]+Front LH side air bag module circuit is shorted to ground.
SIDE MODULE LH
[SHORT]+Front LH side air bag module circuits are shorted to each
other.
SIDE MODULE RH
[OPEN]+Front RH side air bag module circuit is open. 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace front RH side air
bag module.
(Before disposal, it must be
deployed.)
4. Replace the diagnosis sen-
sor unit.
5. Replace the related har-
ness. SIDE MODULE RH
[VB-SHORT]+Front RH side air bag module circuit is shorted to a power
supply circuit.
SIDE MODULE RH
[GND-SHORT]+Front RH side air bag module circuit is shorted to ground.
SIDE MODULE RH
[SHORT]+Front RH side air bag module circuits are shorted to each
other.
SATELLITE SENS LH
[UNIT FAIL]
SATELLITE SENS LH
[COMM FAIL]+LH side air bag (satellite) sensor 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace the LH side air bag
(satellite) sensor.
4. Replace the diagnosis sen-
sor unit.
5. Replace the related har-
ness.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-52

Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
SATELLITE SENS RH
[UNIT FAIL]
SATELLITE SENS RH
[COMM FAIL]+RH side air bag (satellite) sensor 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace the RH side air
bag (satellite) sensor.
4. Replace the diagnosis sen-
sor unit.
5. Replace the related har-
ness.
PRE-TEN FRONT LH
[OPEN/VB-SHORT]+The circuit for the front LH pre-tensioner is open or shorted
to a power supply circuit.1. Visually check the wiring
harness connections.
2. Replace the harness if it
has visible damage.
3. Replace the front LH seat
belt.
(Before disposal, it must be
deactivated.)
4. Replace the diagnosis sen-
sor unit.
5. Replace the related har-
ness. PRE-TEN FRONT LH
[GND-SHORT]+The circuit for the front LH pre-tensioner is shorted to
ground.
PRE-TEN FRONT RH
[OPEN/VB-SHORT]+The circuit for the front RH pre-tensioner is open or shorted
to a power supply circuit.1. Visually check the wiring
harness connections.
2. Replace the harness if it
has visible damage.
3. Replace the front RH seat
belt.
(Before disposal, it must be
deactivated.)
4. Replace the diagnosis sen-
sor unit.
5. Replace the related har-
ness. PRE-TEN FRONT RH
[GND-SHORT]+The circuit for the front RH pre-tensioner is shorted to
ground.
CONTROL UNIT+Low battery voltage (Less than 9V)+Go to DIAGNOSTIC PRO-
CEDURE 3 (RS-54) after
charging battery.
+Diagnosis sensor unit is malfunctioning. 1. Visually check wiring har-
ness connections.
2. Replace the harness if it
has visible damage.
3. Replace diagnosis sensor
unit.
4. Replace the related har-
ness.
* Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated
using the air bag or seat belt warning lamp or CONSULT-II each time repair is finished. If malfunction is still observed, pro-
ceed to the next step. When malfunction is eliminated, further repair work is not required.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-53

SRS834-A
SRS872
DIAGNOSTIC PROCEDURE 3NJRS0048S02Final checking after repairing SRS by using CONSULT-II Ð
Diagnosis mode
1. After repairing SRS, connect both battery cables.
2. Connect CONSULT-II to data link connector.
3. Turn ignition switch from ªOFFº to ªONº.
SRS695
4. Touch ªSTARTº.
SRS771
5. Touch ªAIR BAGº.
SRS697
6. Touch ªSELF-DIAG [CURRENT]º.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-54

SRS701
7. If no malfunction is detected on ªSELF-DIAG [CURRENT]º,
repair of SRS is completed. Go to step 8.
If any malfunction is displayed on ªSELF-DIAG [CURRENT]º,
the malfunctioning part is not repaired completely or another
malfunctioning part is detected. Go to DIAGNOSTIC PROCE-
DURE 2, page RS-50, and repair malfunctioning part com-
pletely.
SRS773
8. Touch ªERASEº.
NOTE:
Touch ªERASEº to clear the memory of the malfunction
(ªSELF-DIAG [PAST]º).
If the memory of the malfunction in ªSELF-DIAG [PAST]º is not
erased, the User mode shows the system malfunction by the
operation of the warning lamp even if the malfunction is repaired
completely.
SRS697
9. Touch ªBACKº key of CONSULT-II to ªSELECT SYSTEMº
screen. Touch ªSELF-DIAG [PAST]º.
SRS702
10. Check that no malfunction is detected on ªSELF-DIAG
[PAST]º.
11. Touch ªBACKº key of CONSULT-II until ªSELECT SYSTEMº
appears in order to return to User mode from Diagnosis mode.
12. Turn ignition switch ªOFFº, then turn off and disconnect CON-
SULT-II.
13. Go to ªSRS Operation Checkº, page RS-49 to check SRS
operation by using ªAIR BAGº warning lamp with User mode.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-55

DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM
DIAGNOSTIC PROCEDURE 2)
NJRS0048S03Inspecting SRS malfunctioning record
1 CONSIDER POSSIBILITY OF NOT ERASING SELF-DIAGNOSTIC RESULT AFTER REPAIRING
Is it the first time for maintenance of SRS?
YesorNo
Ye s©Go to DIAGNOSTIC PROCEDURE 5 (RS-56).
No©Self-diagnostic result ªSELF-DIAG [PAST]º (previously stored in the memory) might not
be erased after repair. Go to DIAGNOSTIC PROCEDURE 3, step 8 (RS-54).
SRS834-A
SRS872
DIAGNOSTIC PROCEDURE 5NJRS0048S04Inspecting SRS intermittent malfunction by using CONSULT-II
Ð Diagnosis mode
1. Turn ignition switch ªOFFº.
2. Connect CONSULT-II to data link connector.
SRS695
3. Turn ignition switch ªONº.
4. Touch ªSTARTº.
SRS771
5. Touch ªAIR BAGº.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-56

SRS697
6. Touch ªSELF-DIAG [PAST]º.
SRS700
7. If diagnostic codes are displayed on ªSELF-DIAG [PAST]º, go
to step 10.
SRS702
If no malfunction is detected on ªSELF-DIAG [PAST]º, touch
ªBACKº and go back to ªSELECT DIAG MODEº.
SRS697
8. Touch ªTROUBLE DIAG RECORDº.
NOTE:
With ªTROUBLE DIAG RECORDº, diagnosis results previ-
ously erased by a reset operation can be displayed.
SRS704
9. Diagnostic code is displayed on ªTROUBLE DIAG RECORDº.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-57

10. Touch ªPRINTº.
11. Compare diagnostic codes to ªIntermittent Malfunction Diag-
nostic Code Chartº, RS-58.
12. Touch ªBACKº key of CONSULT-II until ªSELECT SYSTEMº
appears.
13. Turn ignition switch ªOFFº, then turn off and disconnect
CONSULT-II, and disconnect both battery cables.
14. Repair the system as outlined by the ªRepair orderº in ªInter-
mittent Malfunction Diagnostic Code Chartº, that corresponds
to the self-diagnostic result. For replacement procedure of
component parts, refer to RS-26.
15. Go to DIAGNOSTIC PROCEDURE 3, page RS-54, for final
checking.
INTERMITTENT MALFUNCTION DIAGNOSTIC CODE
CHART (ªSELF-DIAG [PAST] or TROUBLE DIAG
RECORDº)
NJRS0048S0402
Diagnostic item Explanation Repair order
NO DTC IS DETECTED+No malfunction is detected.+Go to DIAGNOSTIC PROCEDURE 3
(RS-54).
AIRBAG MODULE
[OPEN]+Driver air bag module circuit is open.
(including the spiral cable)1. Visually check the wiring harness con-
nection.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
spiral cable, diagnosis sensor unit and
driver air bag module. (Before dispos-
ing of the driver air bag module, it
must be deployed.) AIRBAG MODULE
[VB-SHORT]+Driver air bag module circuit is shorted
to a power supply circuit. (including the
spiral cable)
AIRBAG MODULE
[GND-SHORT]+Driver air bag module circuit is shorted
to ground. (including the spiral cable)
AIRBAG MODULE
[SHORT]+Driver air bag module circuits are
shorted to each other.
ASSIST A/B MODULE
[VB-SHORT]+Front passenger air bag module circuit
is shorted to some power supply cir-
cuit.1. Visually check the wiring harness con-
nection.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit and passenger
air bag module. (Before disposing of
the passenger air bag module, it must
be deployed.) ASSIST A/B MODULE
[OPEN]+Front passenger air bag module circuit
is open.
ASSIST A/B MODULE
[GND-SHORT]+Front passenger air bag module circuit
is shorted to ground.
ASSIST A/B MODULE
[SHORT]+Front passenger air bag module cir-
cuits are shorted to each other.
SIDE MODULE LH
[OPEN]+Front LH side air bag module circuit is
open.1. Visually check the wiring harness con-
nection.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit and front LH side
air bag module. (Before disposing of
the front LH side air bag module, it
must be deployed.) SIDE MODULE LH
[VB-SHORT]+Front LH side air bag module circuit is
shorted to a power supply circuit.
SIDE MODULE LH
[GND-SHORT]+Front LH side air bag module circuit is
shorted to ground.
SIDE MODULE LH
[SHORT]+Front LH side air bag module circuits
are shorted to each other.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-58

Diagnostic item Explanation Repair order
SIDE MODULE RH
[OPEN]+Front RH side air bag module circuit is
open.1. Visually check the wiring harness con-
nection.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit and front RH
side air bag module. (Before disposing
of the front RH side air bag module, it
must be deployed.) SIDE MODULE RH
[VB-SHORT]+Front RH side air bag module circuit is
shorted to a power supply circuit.
SIDE MODULE RH
[GND-SHORT]+Front RH side air bag module circuit is
shorted to ground.
SIDE MODULE RH
[SHORT]+Front RH side air bag module circuits
are shorted to each other.
SATELLITE SENS LH
[UNIT FAIL]
SATELLITE SENS LH
[COMM FAIL]+LH side air bag (satellite) sensor 1. Visually check the wiring harness con-
nection.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit and LH side air
bag (satellite) sensor.
SATELLITE SENS RH
[UNIT FAIL]
SATELLITE SENS RH
[COMM FAIL]+RH side air bag (satellite) sensor 1. Visually check the wiring harness con-
nection.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit and RH side air
bag (satellite) sensor.
PRE-TEN FRONT LH
[OPEN/VB-SHORT]+The circuit for front LH seat belt pre-
tensioner is open or shorted to a power
supply circuit.1. Visually check the wiring harness con-
nections.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit and front LH
seat belt. (Before disposing of the front
LH seat belt pre-tensioner, if must be
deployed.) PRE-TEN FRONT LH
[GND-SHORT]+The circuit for front LH seat belt pre-
tensioner is shorted to ground.
PRE-TEN FRONT RH
[OPEN/VB-SHORT]+The circuit for front RH seat belt pre-
tensioner is open or shorted to a power
supply circuit.1. Visually check the wiring harness con-
nections.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit and front RH
seat belt. (Before disposing of the front
RH seat belt pre-tensioner, if must be
deployed.) PRE-TEN FRONT RH
[GND-SHORT]+The circuit for front RH seat belt pre-
tensioner is shorted to ground.
CONTROL UNIT+Diagnosis sensor unit is malfunctioning. 1. Visually check the wiring harness con-
nection.
2. Replace the harness if it has visible
damage.
3. If the harness check is OK, replace the
diagnosis sensor unit.
* Follow the procedures in numerical order when repairing malfunctioning parts, then make the final system check.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-59

SRS800
Trouble Diagnoses without CONSULT-II=NJRS0049DIAGNOSTIC PROCEDURE 6NJRS0049S01Inspecting SRS malfunctioning parts by using ªAIR BAGº
warning lamp Ð Diagnosis mode
NOTE:
SRS will not enter Diagnosis mode if no malfunction is
detected in User mode.
1. Turn ignition switch ªONº.
2. After ªAIR BAGº warning lamp lights for 7 seconds, turn igni-
tion switch ªOFFº within 1 second.
3. Wait more than 3 seconds.
4. Repeat steps 1 to 3 three times.
5. Turn ignition switch ªONº.
SRS is now in Diagnosis mode.
6. ªAIR BAGº warning lamp operates in Diagnosis mode as fol-
lows:
NOTE:
If SRS does not enter Diagnosis mode even though malfunction is
detected in User mode, check the battery voltage.
If the battery voltage is less than 9V, charge the battery. Then go
to DIAGNOSTIC PROCEDURE 7, page RS-65.
If the battery voltage is OK, replace the diagnosis sensor unit.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses without CONSULT-II
RS-60