2002 NISSAN TERRANO Service 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 operates.
2. Compare ªAIR BAGº warning lamp operation to the chart below.
ªAIR BAGº warning lamp operation Ð User mode Ð SRS condition Reference item
MRS095A
No malfunction is detected.
No further action is neces-
sary.Ð
MRS096A
The system is malfunction-
ing and needs to be repaired
as indicated.Go to DIAGNOSTIC PRO-
CEDURE 2 or 6 (RS-37 or
RS-46).
MRS097A
Air bag or/and seat belt pre-
tensioner is deployed.Go to COLLISION DIAGNO-
SIS (RS-57).
Air bag fuse, diagnosis sen-
sor unit or harness is mal-
functioning and needs to be
repaired.Go to DIAGNOSTIC PRO-
CEDURE 9 (RS-54).
MRS098A
One of the following has
occurred and needs to be
repaired.
IMeter fuse is blown.
ªAIR BAGº warning lamp
circuit has open or short.
IDiagnosis sensor unit is
malfunctioning.Go to DIAGNOSTIC PRO-
CEDURE 10 (RS-56).
NOTE:
If ªAIR BAGº warning lamp operates differently from the
operations shown above, refer to ªAIR BAGº warning lamp
operation Ð Diagnosis mode Ð,DIAGNOSTIC PROCEDURE 6
(step 4), RS-46.
SRS800
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-36

Trouble Diagnoses with CONSULT-II
DIAGNOSTIC PROCEDURE 2
Inspecting SRS malfunctioning parts by using CONSULT-II Ð
Diagnosis mode
1. Turn ignition switch ªOFFº.
2. Connect CONSULT-II to data link connector.
3. Turn ignition switch ªONº.
4. Touch ªSTARTº.
5. Touch ªAIR BAGº.
6. Touch ªSELF-DIAG [CURRENT]º.
7. Diagnostic codes are displayed on ªSELF-DIAG [CURRENT]º.
NRS122
SRS695
C2SSE01
SRS697
SRS772
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-37

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-42, to diagnose the following
situations:
ISelf-diagnostic result ªSELF-DIAG [PAST]º (previously stored
in the memory) might not be erased after repair.
IThe SRS system malfunctions intermittently.
8. Touch ªPRINTº.
9. Compare diagnostic codes to ªCONSULT-II Diagnostic Code
Chartº, page RS-38.
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-11.
13. After repairing the system, go to DIAGNOSTIC PROCEDURE
3, page RS-40 for final checking.
CONSULT-II DIAGNOSTIC CODE CHART (ªSELF-DIAG
[CURRENT]º)
Diagnostic item ExplanationRepair order
ªRecheck SRS at each replacement.º
NO DTC IS
DETECTED.When malfunction is
indicated by the ªAIR
BAGº warning lamp is
user mode.ISelf-diagnostic result ªSELF-DIAG
[PAST]º (previously stored in the
memory) might not be erased after
repair.
IIntermittent malfunction has been
detected in the past.IGo to DIAGNOSTIC PROCEDURE 4
(RS-40) after charging battery.
INo malfunction is detected.IGo to DIAGNOSTIC PROCEDURE 3
(RS-40).
AIRBAG MODULE
[OPEN]IDriver 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 module.
(Before disposal, it must be
deployed.)
5. Replace the diagnosis sensor unit.
6. Replace the related harness. AIRBAG MODULE
[VB-SHORT]IDriver air bag module circuit is shorted to a power supply cir-
cuit. (including the spiral cable)
AIRBAG MODULE
[GND-SHORT]IDriver air bag module circuit is shorted to ground. (including
the spiral cable)
AIRBAG MODULE
[SHORT]IDriver air bag module circuit is shorted between wires.
SRS701
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-38

Diagnostic item ExplanationRepair order
ªRecheck SRS at each replacement.º
ASSIST A/B MODULE
[VB-SHORT]IFront 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 sensor unit.
5. Replace the related harness. ASSIST A/B MODULE
[OPEN]IFront passenger air bag module circuit is open.
ASSIST A/B MODULE
[GND-SHORT]IFront passenger air bag module circuit is shorted to ground.
ASSIST A/B MODULE
[SHORT]IFront passenger air bag module circuit is shorted between
wires.
SIDE MODULE LH
[OPEN]IFront 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 mod-
ule.
(Before disposal, it must be
deployed.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. SIDE MODULE LH
[VB-SHORT]IFront LH side air bag module circuit is shorted to a power sup-
ply circuit.
SIDE MODULE LH
[GND-SHORT]IFront LH side air bag module circuit is shorted to ground.
SIDE MODULE LH
[SHORT]IFront LH side air bag module circuit is shorted between wires.
SIDE MODULE RH
[OPEN]IFront 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 mod-
ule.
(Before disposal, it must be
deployed.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. SIDE MODULE RH
[VB-SHORT]IFront RH side air bag module circuit is shorted to a power
supply circuit.
SIDE MODULE RH
[GND-SHORT]IFront RH side air bag module circuit is shorted to ground.
SIDE MODULE RH
[SHORT]IFront RH side air bag module circuit is shorted between wires.
SATELLITE SENS LH
[UNIT FAIL]
SATELLITE SENS LH
[COMM FAIL]ILH 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 (satel-
lite) sensor.
4. Replace the diagnosis sensor unit.
5. Replace the related harness.
SATELLITE SENS RH
[UNIT FAIL]
SATELLITE SENS RH
[COMM FAIL]IRH 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 (satel-
lite) sensor.
4. Replace the diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN FRONT LH
[OPEN/VB-SHORT]IThe circuit for front LH seat belt 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 front LH seat belt.
(Before disposal, it must be deacti-
vated.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. PRE-TEN FRONT LH
[GND-SHORT]IThe circuit for front LH seat belt pre-tensioner is shorted to
ground.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-39

Diagnostic item ExplanationRepair order
ªRecheck SRS at each replacement.º
PRE-TEN FRONT RH
[OPEN/VB-SHORT]IThe circuit for front RH seat belt 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 front RH seat belt.
(Before disposal, it must be deacti-
vated.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. PRE-TEN FRONT RH
[GND-SHORT]IThe circuit for front RH seat belt pre-tensioner is shorted to
ground.
INDEFINITE FAIL-
URES (AIR BAG)IA problem which cannot be specified occurs because more
than two parts are out of order.1. Visually check wiring harness con-
nections.
2. Replace diagnosis sensor unit.
3. Replace spiral cable and air bag
modules.
4. Replace air bag and pre-tensioner
harness.
5. Replace main harness.
INDEFINITE FAIL-
URES
(PRE-TENSIONER)Driver's and front passenger seat belt pre-tensioners are out of
order.1. Visually check wiring harness con-
nections.
2. Replace diagnosis sensor unit.
3. Replace spiral cable and air bag
modules.
4. Replace air bag and pre-tensioner
harness.
5. Replace main harness.
CONTROL UNITILow battery voltage (Less than 9V)IGo to DIAGNOSTIC PROCEDURE 3
(RS-40) after charging battery.
IDiagnosis sensor unit is malfunctioning. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace diagnosis sensor unit.
4. Replace the related harness.
* 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 mal-
function is eliminated, further repair work is not required.
DIAGNOSTIC PROCEDURE 3
Final 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.
NRS122
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-40

4. Touch ªSTARTº.
5. Touch ªAIR BAGº.
6. Touch ªSELF-DIAG [CURRENT]º.
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-37, and repair malfunctioning part com-
pletely.
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 opera-
tion of the warning lamp even if the malfunction is repaired com-
pletely.
SRS695
C2SSE01
SRS697
SRS701
SRS773
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-41

9. Touch ªBACKº key of CONSULT-II to ªSELECT SYSTEMº
screen. Touch ªSELF-DIAG [PAST]º.
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-36 to check SRS
operation by using ªAIR BAGº warning lamp with User mode.
DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM
DIAGNOSTIC PROCEDURE 2)
Inspecting 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 sEGo to DIAGNOSTIC PROCEDURE 5 (RS-42).
NoESelf-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-40).
DIAGNOSTIC PROCEDURE 5
Inspecting SRS intermittent malfunction by using CONSULT-II
Ð Diagnosis mode
1. Turn ignition switch ªOFFº.
2. Connect CONSULT-II to data link connector.
SRS697
SRS702
NRS122
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-42

3. Turn ignition switch ªONº.
4. Touch ªSTARTº.
5. Touch ªAIR BAGº.
6. Touch ªSELF-DIAG [PAST]º.
7. If diagnostic codes are displayed on ªSELF-DIAG [PAST]º, go
to step 10.
If no malfunction is detected on ªSELF-DIAG [PAST]º, touch
ªBACKº and go back to ªSELECT DIAG MODEº.
SRS695
C2SSE01
SRS697
SRS700
SRS702
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-43