NISSAN ALMERA TINO 2001 Service Repair Manual

How to Perform Trouble Diagnoses for Quick
and Accurate Repair
=NLRS0044A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a malfunction. It is important to fully understand the symp-
toms or conditions for a customer complaint.
INFORMATION FROM CUSTOMERNLRS0044S01WHAT ..... Vehicle model
WHEN ..... Date, Frequencies
WHERE ..... Road conditions
HOW ..... Operating conditions, Symptoms
PRELIMINARY CHECKNLRS0044S02Check that the following parts are in good order.
+Battery [Refer to SC-3,“BATTERY”.]
+Fuse [Refer to EL-10,“Fuse”,“POWER SUPPLY ROUTING”.]
+System component-to-harness connections
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
How to Perform Trouble Diagnoses for Quick and Accurate Repair
RS-40

WORK FLOW=NLRS0044S03NOTE:
Seat belt pre-tensioner malfunction is indicated by“AIR BAG”warning lamp.
SRS799
*1: RS-40
*2: RS-45*3: RS-46
*4: RS-55*5: RS-49
*6: RS-60
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
How to Perform Trouble Diagnoses for Quick and Accurate Repair (Cont’d)
RS-41

Wiring Diagram—SRS—NLRS0061
YRS044
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Wiring Diagram—SRS—
RS-42

MODELS WITH FRONT SEAT BELT PRE-TENSIONER B21, B27NLRS0061S01
YRS045
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Wiring Diagram—SRS—(Cont’d)
RS-43

MODELS WITH FRONT SEAT BELT PRE-TENSIONER B52, B53NLRS0061S02
YRS052
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Wiring Diagram—SRS—(Cont’d)
RS-44

SRS800
SRS Operation CheckNLRS0047DIAGNOSTIC PROCEDURE 1NLRS0047S01Checking Air Bag Operation by Using“AIR BAG”
Warning Lamp—User Mode
NLRS0047S01011. After turning ignition switch from“OFF”to“ON”,“AIR BAG”
warning lamp operates.
2. Compare“AIR BAG”warning lamp operation to the chart
below.
“AIR BAG”warning lamp operation—User mode—SRS condition Reference item
MRS095A
No malfunction is
detected. No further action
is necessary.
—
MRS096A
The system is malfunction-
ing and needs to be
repaired as indicated.Go to DIAGNOSTIC PRO-
CEDURE 2 or 6 (RS-46 or
RS-55).
MRS097A
Air bag or/and seat belt
pre-tensioner is deployed.Go to COLLISION DIAG-
NOSIS (RS-66).
Air bag fuse, diagnosis
sensor unit or harness is
malfunctioning and needs
to be repaired.Go to DIAGNOSTIC PRO-
CEDURE 9 (RS-63).
MRS098A
One of the following has
occurred and needs to be
repaired.
+Meter fuse is blown.
+“AIR BAG”warning
lamp circuit has open
or short.
+Diagnosis sensor unit is
malfunctioning.Go to DIAGNOSTIC PRO-
CEDURE 10 (RS-65).
NOTE:
If“AIR BAG”warning lamp operates differently from the
operations shown above, refer to“AIR BAG”warning lamp
operation—Diagnosis mode—, DIAGNOSTIC PROCEDURE 6
(step 4), RS-55.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS Operation Check
RS-45

NRS122
Trouble Diagnoses with CONSULT-II=NLRS0048DIAGNOSTIC PROCEDURE 2NLRS0048S01Inspecting SRS malfunctioning parts by using CONSULT-II—
Diagnosis mode
1. Turn ignition switch“OFF”.
2. Connect CONSULT-II to data link connector.
SRS695
3. Turn ignition switch“ON”.
4. Touch“START”.
C2SSE01
5. Touch“AIR BAG”.
SRS697
6. Touch“SELF-DIAG [CURRENT]”.
SRS772
7. Diagnostic codes are displayed on“SELF-DIAG [CURRENT]”.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II
RS-46

SRS701
If no malfunction is detected on“SELF-DIAG [CURRENT]”but mal-
function is indicated by the“AIR BAG”warning lamp, go to DIAG-
NOSTIC PROCEDURE 4, page RS-51, to diagnose the following
situations:
+Self-diagnostic result“SELF-DIAG [PAST]”(previously stored
in the memory) might not be erased after repair.
+The SRS system malfunctions intermittently.
8. Touch“PRINT”.
9. Compare diagnostic codes to“CONSULT-II Diagnostic Code
Chart”, page RS-47.
10. Touch“BACK”key of CONSULT-II until“SELECT SYSTEM”
appears in order to return to User mode from Diagnosis mode.
11. Turn ignition switch“OFF”, then turn off and disconnect
CONSULT-II, and disconnect both battery cables.
12. Repair the system as outlined by the“Repair order”in“CON-
SULT-II Diagnostic Code Chart”, that corresponds to the self-
diagnostic result. For replacement procedure of component
parts, refer to RS-21.
13. After repairing the system, go to DIAGNOSTIC PROCEDURE
3, page RS-49 for final checking.
CONSULT-II Diagnostic Code Chart (“SELF-DIAG
[CURRENT]”)
NLRS0048S0102
Diagnostic item ExplanationRepair order
“Recheck SRS at each replace-
ment.”
NO DTC IS
DETECTED.When malfunction is
indicated by the“AIR
BAG”warning lamp is
user mode.+Self-diagnostic result“SELF-DIAG
[PAST]”(previously stored in the
memory) might not be erased after
repair.
+Intermittent malfunction has been
detected in the past.+Go to DIAGNOSTIC PROCEDURE
4 (RS-49) after charging battery.
+No malfunction is detected.+Go to DIAGNOSTIC PROCEDURE
3 (RS-49).
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 module.
(Before disposal of it, it must be
deployed.)
5. Replace the diagnosis sensor unit.
6. Replace the related harness. AIRBAG MODULE
[VB-SHORT]+Driver air bag module circuit is shorted to some 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 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 of it, it must be
deployed.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. 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.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont’d)
RS-47

Diagnostic item ExplanationRepair order
“Recheck SRS at each replace-
ment.”
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 mod-
ule.
(Before disposal, it must be
deployed.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. SIDE MODULE LH
[VB-SHORT]+Front LH side air bag module circuit is shorted to some
power supply circuits.
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 mod-
ule.
(Before disposal, it must be
deployed.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. SIDE MODULE RH
[VB-SHORT]+Front RH side air bag module circuit is shorted to some
power supply circuits.
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 (satel-
lite) sensor.
4. Replace the diagnosis sensor unit.
5. Replace the related harness.
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 (satel-
lite) sensor.
4. Replace the diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN FRONT LH
[OPEN/VB-SHORT]+The circuit for front LH seat belt 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 front LH seat belt.
(Before disposing, it must be deac-
tivated.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. 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 some 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 disposing, it must be deac-
tivated.)
4. Replace the diagnosis sensor unit.
5. Replace the related harness. PRE-TEN FRONT RH
[GND-SHORT]+The circuit for front RH seat belt pre-tensioner is shorted to
ground.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont’d)
RS-48

Diagnostic item ExplanationRepair order
“Recheck SRS at each replace-
ment.”
CONTROL UNIT+Low battery voltage (Less than 9V)+Go to DIAGNOSTIC PROCEDURE
3 (RS-42) after charging battery.
+Diagnosis 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 malfunction is eliminated, further repair work is not required.
NRS122
DIAGNOSTIC PROCEDURE 3NLRS0048S02Final checking after repairing SRS by using CONSULT-II—
Diagnosis mode
1. After repairing SRS, connect both battery cables.
2. Connect CONSULT-II to data link connector.
3. Turn ignition switch from“OFF”to“ON”.
SRS695
4. Touch“START”.
C2SSE01
5. Touch“AIR BAG”.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont’d)
RS-49