Nissan Frontier D22. Manual — part 918
SRS-38
TROUBLE DIAGNOSIS
Trouble Diagnoses: “AIR BAG” Warning Lamp Does Not Turn On
EHS000T4
DIAGNOSTIC PROCEDURE 10
1.
CHECK METER FUSE
Is meter fuse OK?
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
CHECK METER FUSE AGAIN
Replace meter fuse and turn ignition switch ON.
Does meter fuse blow again?
Yes
>> Repair main harness.
No
>> INSPECTION END
3.
CHECK HARNESS CONNECTION BETWEEN AIR BAG DIAGNOSIS SENSOR UNIT AND “AIR BAG”
WARNING LAMP
Disconnect air bag diagnosis sensor unit harness connector and turn ignition switch ON.
Does “AIR BAG” warning lamp turn on?
Yes
>> Replace air bag diagnosis sensor unit.
No
>> Check the ground circuit of “AIR BAG” warning lamp. If ground circuit is OK, replace combination
meter.
ARS350
DIAGNOSIS SENSOR UNIT
SRS-39
C
D
E
F
G
I
J
K
L
M
A
B
SRS
DIAGNOSIS SENSOR UNIT
PFP:28556
Removal and Installation
EHS000T5
CAUTION:
●
Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait for at
least 3 minutes.
●
The special bolts are coated with bonding agent while the other bolt is for ground. Do not reuse
bolts after removal; replace with new ones.
●
Check air bag diagnosis sensor unit for proper installation.
●
Check air bag diagnosis sensor unit to ensure it is free of deformities, dents, cracks and rust. If
there are any visible signs of damage, replace it with a new one.
●
Check air bag diagnosis sensor unit brackets to ensure they are free of deformities or rust.
●
Replace air bag diagnosis sensor unit if it has been dropped or has sustained an impact.
●
After replacement, perform self-diagnosis for SRS. Refer to
1.
Disconnect driver and passenger air bag module connectors
and seat belt pre-tensioner connectors.
2.
3.
Disconnect air bag diagnosis sensor unit connector.
4.
Remove ground bolt and also remove special bolts from air bag
diagnosis sensor unit.
Then remove the air bag diagnosis sensor unit.
NOTE:
●
To install, reverse the removal procedure and tighten new
bolts in the sequence indicated in the illustration.
CAUTION:
Air bag diagnosis sensor unit must always be installed with forward mark “
⇐” pointing toward the
front of the vehicle for proper operation. Also check air bag diagnosis sensor unit for deformities,
dents, cracks and rust before installation and replace as required.
WRS228
SRS-40
CRASH ZONE SENSOR
CRASH ZONE SENSOR
PFP:98531
Removal and Installation
EHS000T6
CAUTION:
●
Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait at least
3 minutes.
●
Check crash zone sensor for proper installation.
●
Check crash zone sensor to ensure it is free of deformities, dents, cracks or rust. If it shows any
visible signs of damage, replace it with new one.
●
After replacement of crash zone sensor, check SRS function and perform self-diagnosis for SRS.
Refer to
for details.
●
Do not attempt to disassemble crash zone sensor.
●
Replace crash zone sensor if it has been dropped or sustained an impact.
1.
Disconnect crash zone sensor.
2.
Remove nuts from crash zone sensor and bracket.
Then remove bracket and crash zone sensor from radiator sup-
port.
NOTE:
●
To install, reverse the removal procedure sequence.
LRS263
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