1999 NISSAN PRIMERA Electronic Repair Manual

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Page 2217 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual YRS049
DIAGNOSIS
SENSOR UNIT
SPIRAL
CABLE
AIR BAG MODULE
(DRIVERS SIDE)AIR BAG MODULE
(PASSENGERS SIDE)
: With dual air bag
: This connector is not shown in ªHARNESS LAYOUTº of EL section.
TROUBLE

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NISSAN PRIMERA 1999 Electronic Repair Manual YRS060
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Wiring Diagram Ð SRS Ð (Contd)
RS-35

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NISSAN PRIMERA 1999 Electronic Repair Manual YRS061
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Wiring Diagram Ð SRS Ð (Contd)
RS-36

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NISSAN PRIMERA 1999 Electronic Repair Manual SRS-Operation Check
DIAGNOSTIC PROCEDURE 1
Checking Air Bag Operation by using ªAIR BAGº Warning
Lamp Ð User mode
1. After turning ignition switch from ªOFFº to ªONº, ªAIR BAGº
warning lamp o

Page 2221 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Trouble Diagnoses with CONSULT-II
DIAGNOSTIC PROCEDURE 2
Inspecting SRS malfunctioning parts by using CONSULT-II
Ð Diagnosis mode
1. Turn ignition switch to the ªOFFº.
2. Connect ªCONSULT-IIº to

Page 2222 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual If no malfunction is detected on ªSELF-DIAG [CURRENT]º but
malfunction is indicated by the ªAIR BAGº, warning lamp, go to
DIAGNOSTIC PROCEDURE 4, page RS-43, to diagnose the
following situations:

If no malfunction is detected on ªSELF-DIAG [CURRENT]º but
malfunction is indicated by the ªAIR BAGº, warning lamp, go to
DIAGNOSTIC PROCEDURE 4, page RS-43, to diagnose the
following situations:
lSelf-diagnostic result ªSELF-DIAG [PAST]º (previously
stored in the memory) might not be erased after repair.
lThe SRS system malfunctions intermittently.
8. Touch ªPRINTº.
9. Compare diagnostic codes to ªCONSULT-II Diagnostic Code
Chartº, page RS-39.
10. Touch ªBACKº key of CONSULT-II until ªSELECT SYSTEM º
appears in order to return to User mode from Diagnosis
mode.
11. Turn ignition switch ªOFFº, then turn off and disconnect CON-
SULT-II and 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-13.
13. After repairing the system, go to DIAGNOSTIC PROCE-
DURE 3, page RS-42 for final checking.
CONSULT-II Diagnostic Code Chart
(ªSELF-DIAGNOSISº)
Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
NO DTC IS DETECTED. When malfunction is indi-
cated by the ªAIR BAGº
warning lamp in User mode
lLow battery voltage (Less
than 9V).lGo to DIAGNOSTIC PRO-
CEDURE 3 (RS-42) after
charging battery.
lSelf-diagnostic result
ªSELF-DIAG [PAST]º (pre-
viously stored in the
memory) might not be
erased after repair.
lIntermittent malfunction has
been detected in the past.Go to DIAGNOSTIC PROCE-
DURE 4 (RS-43).
No malfunction is detected.
lGo to DIAGNOSTIC PRO-
CEDURE 3 (RS-42).
AIRBAG MODULE
[OPEN]
lDriver's 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 driver's air bag
module.
(Before disposing of it, it
must be deployed.)
4. Replace the spiral cable.
5. Replace the diagnosis
sensor unit.
6. Replace the related har-
ness.
C2SDC02
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT-II
(Cont'd)
RS-39

Page 2223 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
AIRBAG MODULE
[VB-SHORT]
lDrivers air bag module circuit is shorted to a power supply
circuit. (including the spiral cable)1.

Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
AIRBAG MODULE
[VB-SHORT]
lDriver's air bag module circuit is shorted to a power supply
circuit. (including the spiral cable)1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace the spriral cable.
4. Replace driver's air bag
module.
(Before disposing of it, it
must be deployed.)
5. Replace the diagnosis
sensor unit.
6. Replace the related har-
ness. AIRBAG MODULE
[GND-SHORT]
lDriver's air bag module circuit is shorted to ground. (includ-
ing the spiral cable)
AIRBAG MODULE
[SHORT]
lDriver's air bag module circuits are shorted to each other.
ASSIST A/B MODULE
[VB/SHORT]
lPassenger's air bag module circuit is shorted to some
power supply circuit.1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace passenger's air
bag module. (Before dis-
posal of it, it must be
deployed.)
4. Replace the diagnosis
sensor unit.
5. Replace the related har-
ness. ASSIST A/B MODULE
[OPEN]
lPassenger's air bag module circuit is open.
ASSIST A/B MODULE
[GND-SHORT]
lPassenger's air bag module circuit is shorted to ground.
ASSIST A/B MODULE
[SHORT]
lPassenger's air bag module circuits are shorted to each
other.
SIDE MODULE LH
[OPEN]
lSide air bag module (LH) circuit is open. 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace the side air bag
module (LH). (Before
disposal, it must be
deployed.)
4. Replace the diagnosis
sensor unit.
5. Replace the related har-
ness. SIDE MODULE LH
[VB-SHORT]
lSide air bag module (LH) circuit is shorted to some power
supply circuits.
SIDE MODULE LH
[GND-SHORT]
lSide air bag module (LH) circuit is shorted to ground.
SIDE MODULE LH
[SHORT]
lSide air bag module (LH) circuits are shorted to each other.
SIDE MODULE RH
[OPEN]
lSide air bag module (RH) circuit is open. 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace the side air bag
module (RH). (Before
disposal, it must be
deployed.)
4. Replace the diagnosis
sensor unit.
5. Replace the related har-
ness. SIDE MODULE RH
[VB-SHORT]
lSide air bag module (RH) circuit is shorted to some power
supply circuits.
SIDE MODULE RH
[GND-SHORT]
lSide air bag module (RH) circuit is shorted to ground.
SIDE MODULE RH
[SHORT]
lSide air bag module (RH) circuits are shorted to each
other.
SATELLITE SENS LH
[UNIT FAIL]
SATELLITE SENS LH
[COMM FAIL]
lSatellite sensor (LH) 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace the satellite sen-
sor (LH).
4. Replace the diagnosis
sensor unit.
5. Replace the related har-
ness.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT-II
(Cont'd)
RS-40

Page 2224 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
SATELLITE SENS RH
[UNIT FAIL]
SATELLITE SENS RH
[COMM FAIL]
lSatellite sensor (RH) 1. Visually check the wiring
harness connect

Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
SATELLITE SENS RH
[UNIT FAIL]
SATELLITE SENS RH
[COMM FAIL]
lSatellite sensor (RH) 1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace the satellite sen-
sor (RH).
4. Replace the diagnosis
sensor unit.
5. Replace the related har-
ness.
PRE-TEN LH
[OPEN/VB-SHORT]
lThe circuit for LH pre-tensioner is open or shorted to some
power supply circuit.1. Visually check the wiring
harness connections.
2. Replace the harness if it
has visible damage.
3. Replace LH seat belt.
(Before disposing, it must
be deactivated.)
4. Replace the diagnosis
sensor unit
5. Replace the related har-
ness. PRE-TEN LH
[GND-SHORT]
lThe circuit for LH pre-tensioner is shorted to ground.
PRE-TEN RH
[OPEN/VB-SHORT]
lThe circuit for RH pre-tensioner is open or shorted to some
power supply circuit.1. Visually check the wiring
harness connections.
2. Replace the harness if it
has visible damage.
3. Replace RH seat belt.
(Before disposing, it must
be deactivated.)
4. Replace the diagnosis
sensor unit
5. Replace the related har-
ness. PRE-TEN RH
[GND-SHORT]
lThe circuit for RH pre-tensioner is shorted to ground.
CONTROL UNIT
lLow battery voltage or diagnosis sensor unit is out of order. 1. Charge battery.
2. Visually check wiring har-
ness connections.
3. Replace diagnosis sensor
unit.
CONTROL UNIT
lLow battery voltage (Less than 9V)lGo to DIAGNOSTIC PRO-
CEDURE 3 (RS-42) to after
charging battery.
lDiagnosis 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 warning lamp or CONSULT-II 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.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT-II
(Cont'd)
RS-41

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