2001 NISSAN ALMERA o2 sensor

CONSULT-II Diagnostic Code Chart (ªSELF-DIAG
[CURRENT]º)/4-door Sedan
NJRS0048S0101
Diagnostic item ExplanationRepair order
ªRecheck SRS at each replace-
ment.º
NO DTC IS
DETECTED.When malfunction is
indicated by the ªAIR
BAGº warning lamp in
User mode+Low battery voltage (Less than 9V)+Go to DIAGNOSTIC PROCEDURE
3 (RS-66) after charging battery.
+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 PROCEDURE
4 (RS-68).
+No malfunction is detected.+Go to DIAGNOSTIC PROCEDURE
3 (RS-66).
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 driver air bag module.
(Before disposal, it must be
deployed.)
4. Replace the spiral cable.
5. Replace the diagnosis sensor unit.
6. Replace the related harness.
AIRBAG MODULE
[VB-SHORT]+Driver 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 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
[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 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.
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 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-62

Diagnostic item ExplanationRepair order
ªRecheck SRS at each replace-
ment.º
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 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 (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 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]+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 disposal, it must be deacti-
vated.)
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.
CONTROL UNIT+Diagnosis sensor unit is malfunctioning. 1. Visually check the wiring harness
connection.
2. Replace the diagnosis sensor unit.
* 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.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-63

Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
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.
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.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-65

Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
CONTROL UNIT+Low battery voltage (Less than 9V)+Go to DIAGNOSTIC PRO-
CEDURE 3 (RS-66) 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.
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.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-66

Diagnostic item Explanation Repair order
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. If the harness check result is OK,
replace driver air bag module
(Before disposal, it must be
deployed.), diagnosis sensor unit
and spiral cable. 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. If the harness check result is OK,
replace front passenger air bag
module (Before disposal, it must be
deployed.), and diagnosis sensor
unit. 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. 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.
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. 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
connection.
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
connection.
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.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-71

Diagnostic item Explanation Repair order
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
connections.
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
connections.
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
connection.
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.
INTERMITTENT MALFUNCTION DIAGNOSTIC CODE
CHART (ªSELF-DIAG [PAST] or TROUBLE DIAG
RECORDº)/Hatchback
NJRS0048S0402
Diagnostic item Explanation Repair order
NO DTC IS DETECTED+No malfunction is detected.+Go to DIAGNOSTIC PROCEDURE 3
(RS-66).
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.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses with CONSULT-II (Cont'd)
RS-72

Diagnostic item Explanation Repair order
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.
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-73

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-79.
If the battery voltage is OK, replace the diagnosis sensor unit.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses without CONSULT-II
RS-74