1998 ISUZU TROOPER Service Repair Manual

engine oil capacity refuelling headlight aiming jump start CD changer tire pressure

Page 3521 of 3573

ISUZU TROOPER 1998 Service Repair Manual RESTRAINT CONTROL SYSTEM 9J1±34
DTC 26 Driver Deployment Loop Open
StepActionYe sNo
1Was the ªSRS Diagnostic System Checkº performed?
Go to Step 2
Go to the ªSRS
Diagnostic
System Checkº
21. Whe

RESTRAINT CONTROL SYSTEM 9J1±34
DTC 26 Driver Deployment Loop Open
StepActionYe sNo
1Was the ªSRS Diagnostic System Checkº performed?
Go to Step 2
Go to the ªSRS
Diagnostic
System Checkº
21. When measurements are requested in this chart use
5±8840±0285±0 DVM with correct terminal adapter from
5±8840±0385±0.
2. Use scan tool data list function, read and record the driver
differential voltage.
Is driver VDIF more than 4.25 volts?
Go to Step 3Go to Chart A
31. Ignition switch ªOFF.º
2. Make sure the SRS coil assembly yellow 2±pin connector
located at the base of steering column is seated properly.
Is the yellow 2±pin connector connected properly?
Go to Step 4
Seat driver air
bag assembly
2±pin connector
Go to Step 8
41. Disconnect and inspect the SRS coil assembly yellow 2±pin
connector located base of steering column.
2. If ok, reconnect the SRS coil assembly yellow 2±pin
connector.
3. Ignition switch ªON.º
Is DTC 26 current?
Go to Step 5Go to Step 8
51. Ignition switch ªOFFº.
2. Disconnect SRS coil and passenger air bag assembly, yellow
2±pin connectors located at the base of steering column and
behind the glove box assembly.
3. Connect SRS driver/passenger load tool 5±8840±2421±0 and
appropriate adapter to SRS coil and passenger air bag
assembly harness connectors.
4. Ignition switch ªON.º
Is DTC 26 current?
Go to Step 6Go to Step 7
61. Ignition switch ªOFF.º
2. There has been an open circuit in the driver inflator
deployment loop.
3. Use the high resolution ohmmeter mode of the DVM while
checking IB05±YEL and IB06±YEL/BLK, and SDM connector
terminal ª3º and ª4º to locate the root cause.
Was a fault found?
Replace SRS
harness
Go to Step 8
Go to Chart A
71. Ignition switch ªOFF.º
2. Disconnect SRS driver / passenger load tool from SRS coil
assembly harness connector.
3. Connect SRS driver / passenger load tool 5±8840±2421±0 on
steering column 2±pin connector.
4. Reconnect SRS coil assembly harness connector at the base
of steering column.
5. Ignition switch ªON.º
Is DTC 26 current?
Ignition switch
ªOFFº
Replace SRS coil
assembly
Go to Step 8Ignition switch
ªOFFº
Replace driver air
bag assembly
Go to Step 8
81. Reconnect all components ensure all component are properly
mounted.
2. Clear diagnostic trouble codes.
Was this step finished?
Repeat the ªSRS
Diagnostic
System Checkº
Go to Step 8

Page 3522 of 3573

ISUZU TROOPER 1998 Service Repair Manual 9J1±35
RESTRAINT CONTROL SYSTEM
DTC 51 Air Bag Deployment Event Commanded
D09RW014
Circuit Description:
The SDM contains a sensing device which converts
vehicle velocity changes to an electrical sig

Page 3523 of 3573

ISUZU TROOPER 1998 Service Repair Manual RESTRAINT CONTROL SYSTEM 9J1±36
DTC 51 Air Bag Deployment Event Commanded
WARNING:DURING SERVICE PROCEDURES. BE VERY CAREFUL WHEN HANDLING A SENSING AND
DIAGNOSTIC MODULE (SDM). NEVER STRIKE OR JAR

Page 3524 of 3573

ISUZU TROOPER 1998 Service Repair Manual 9J1±37
RESTRAINT CONTROL SYSTEM
DTC 53 Deployment Commanded With Deployment Loop Fault Or Energy
Reserves Out Of Range
D09RW014
Circuit Description:
The SDM contains a sensing drive which converts v

Page 3525 of 3573

ISUZU TROOPER 1998 Service Repair Manual RESTRAINT CONTROL SYSTEM 9J1±38
DTC 53 Deployment Commanded WITH Deployment Loop Fault Or Energy Reserves Out
Of Range
WARNING:DURING SERVICE PROCEDURES. BE VERY CAREFUL WHEN HANDLING A SENSING AND

Page 3526 of 3573

ISUZU TROOPER 1998 Service Repair Manual 9J1±39
RESTRAINT CONTROL SYSTEM
DTC 61 Warning Lamp Circuit Failure
D09RW014
Circuit Description:
When the ignition switch is turned ªONº, battery voltage is
applied to the ªAIR BAGº warning lam

Page 3527 of 3573

ISUZU TROOPER 1998 Service Repair Manual RESTRAINT CONTROL SYSTEM 9J1±40
DTC 61 Warning Lamp Circuit Failure
StepActionYe sNo
1Was the ªSRS Diagnostic System Checkº performed?
Go to Step 2
Go to the ªSRS
Diagnostic
System Checkº
21. Ma

Page 3528 of 3573

ISUZU TROOPER 1998 Service Repair Manual 9J1±41
RESTRAINT CONTROL SYSTEM
DTC 71 Internal SDM Fault
D09RW014
Circuit Description:
DTC 71 is an indication of a potential internal SDM
malfunction and will set if any of the following condition

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