Infiniti Q45. Manual — part 866
TROUBLE DIAGNOSIS
SRS-21
C
D
E
F
G
I
J
K
L
M
A
B
SRS
SRS Operation Check
NHS0004J
DIAGNOSTIC PROCEDURE 1
Checking Air Bag Operation by Using “AIR BAG” Warning Lamp — User Mode
1.
Turn the ignition switch from OFF to ON, and check that the air bag warning lamp blinks.
2.
Compare the SRS air bag warning lamp blinking pattern with the
examples.
BF-1845D
SRS-22
TROUBLE DIAGNOSIS
Warning lamp examples
“AIR BAG” warning lamp operation-User mode-
SRS condition
Reference item
●
No malfunction is detected.
●
No further action is necessary.
—
●
The system is malfunctioning and
needs to be repaired as indicated.
Go to
●
Air bag is deployed.
●
Seat belt pre-tensioner is deployed.
Go to
.
●
Diagnosis sensor unit is malfunction-
ing.
●
Air bag power supply circuit is mal-
functioning.
●
SRS air bag warning lamp circuit is
malfunctioning.
Go to
“AIR BAG” Warning Lamp Does Not
Turn OFF"
.
●
Diagnosis sensor unit is malfunction-
ing.
●
Air bag warning lamp circuit is mal-
functioning.
Go to
“AIR BAG” Warning Lamp Does Not
Turn ON"
.
SHIA0011E
SHIA0012E
SHIA0013E
SHIA0014E
TROUBLE DIAGNOSIS
SRS-23
C
D
E
F
G
I
J
K
L
M
A
B
SRS
Trouble Diagnosis with CONSULT-II
NHS0004K
DIAGNOSTIC PROCEDURE 2
Refer to
GI-36, "CONSULT-II Start Procedure"
.
1.
Touch “SELF-DIAG [CURRENT]”.
2.
Diagnostic code is displayed on “SELF-DIAG [CURRENT]”.
3.
If no malfunction is detected on “SELF-DIAG [CURRENT]” even
though malfunction is detected in “SRS Operation Check”,
check the battery voltage. If the battery voltage is less than 9 V,
charge or replace the battery. Then go to
. If the battery voltage is OK, go to
29, "DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM
DIAGNOSTIC PROCEDURE 2)"
to diagnose the following
cases:
●
Self-diagnostic result “SELF-DIAG [PAST]” (previously stored
in the memory) might not be erased after repair.
●
The SRS system malfunctions intermittently.
SRS697
SHIA0203E
SRS701
SRS-24
TROUBLE DIAGNOSIS
CONSULT-II Diagnostic Code Chart (“SELF-DIAG [CURRENT]”)
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
NO DTC IS
DETECTED.
When malfunction is
indicated by the “AIR
BAG” warning lamp in
User mode.
●
Low battery voltage (Less than 9V)
●
Go to
tery.
●
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
CEDURE 4 (CONTINUED FROM
DIAGNOSTIC PROCEDURE 2)"
●
Go to
●
No malfunction is detected.
—
DRIVER 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.
4. Replace the spiral cable.
5. Replace the diagnosis sensor unit.
6. Replace the related harness.
DRIVER AIRBAG
MODULE
[VB-SHORT]
●
Driver air bag module circuit is shorted to a power supply circuit
(including the spiral cable).
DRIVER AIRBAG
MODULE
[GND-SHORT]
●
Driver air bag module circuit is shorted to ground (including the
spiral cable).
DRIVER AIRBAG
MODULE
[SHORT]
●
Driver air bag module circuit is shorted between lines.
ASSIST A/B MODULE
[OPEN]
●
Front passenger 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 passenger air bag
module.
4. Replace the diagnosis sensor unit.
5. Replace the related harness.
ASSIST A/B MODULE
[VB-SHORT]
●
Front passenger air bag module circuit is shorted to a power-
supply.
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 circuit is shorted between lines.
CRASH ZONE SEN
[UNIT FAIL]
CRASH ZONE SEN
[COMM FAIL]
●
Crash zone sensor
1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace the crash zone sensor.
4. Replace the diagnosis sensor unit.
5. Replace the related harness.
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 setback assembly
(Front LH side air bag module).
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 sup-
ply 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 circuit is shorted between lines.
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