ECO mode ISUZU AXIOM 2002 Service Repair Manual

RESTRAINT CONTROL SYSTEM 9J1±20
DTC Chart Test Description:
Number(s) below refer to step number(s) on the
diagnostic chart:
2. This test determines whether the malfunction is in
the SDM.
3. This test verifies proper connection of the yellow
2±pin connector.
4. This test cheeks for proper contact and/or corrosion
of the shorting clip in the yellow 2±pin connector
terminals.5. The test checks for a malfunctioning passenger air
bag assembly.
6. This test determines whether there is an open in the
wiring.
Diagnostic Aids:
An intermittent condition is likely to be caused by a poor
connection at the passenger air bag assembly harness
connector terminals ª1º and ª2,º SDM terminals ª15º and
ª16,º or an open in CKT IB07±YEL/GRN and
IB08±YEL/RED.
DTC 17 Passenger Deployment Loop Open
StepActionYe sNo
1Was the ªSRS Diagnostic System Checkº performed?
Go to Step 2
Go to the ªSRS
Diagnostic
System Check.º
21. When measurements are requested in this chart use J±39200
DVM with correct terminal adapter from J±35616±A.
2. Using scan tool data list function, read and record the
passenger differential voltage.
Is passenger differential voltage. more than 4.0 volts?
Go to Step 3 Go to Chart A .
31. Ignition switch ªOFF.º
2. Make sure the passenger air bag assembly yellow 2±pin
connector located behind the glove box assembly is seated
properly.
Is the yellow 2±pin connector connected properly?
Go to Step 4
Seat passenger
air bag assembly
yellow 2±pin
connector
properly.
Go to
Step 7
41. Disconnect and inspect the passenger air bag assembly
yellow 2±pin connector located behind the glove box
assembly.
2. If OK, reconnected the passenger air bag assembly yellow
2±pin connector.
3. Ignition switch ªON.º
Is DTC 17 current?
Go to Step 5
Ignition switch
ªOFF.º
Go to
Step 7
51. Ignition switch ªOFF.º
2. Disconnect SRS coil and passenger air bag assembly yellow
2±pin connectors located at the base of the steering column
and behind the glove box assembly.
3. Connect J±41433 SRS driver / passenger load tool and
appropriate adapters to SRS coil and passenger air bag
assembly harness connectors.
4. Ignition switch ªON.º
Is DTC 17 current?
Go to Step 6
Ignition switch
ªOFF.º
Replace the
passenger air
bag assembly.
Go to
Step 7
61. Ignition switch ªOFF.º
2. There has been an open circuit in the passenger inflator
deployment loop.
3. Use the high resolution ohmmeter mode of the DVM while
checking CKTs IB07±YEL/GRN and IB08±YEL/RED, and
SDM connector terminal ª15º and ª16º to locate the root cause.
Was a fault found?
Replace SRS
harness.
Go to
Step 7 Go to Chart A .
71. Reconnect all components ensure all component are properly
mounted.
2. Clear diagnostic trouble codes.
Was this step finished?
Repeat the ªSRS
Diagnostic
System Check.º
Go to Step 7

9J1±27
RESTRAINT CONTROL SYSTEM
DTC 21 Driver Deployment Loop Resistance High
StepActionYe sNo
1Was the ªSRS Diagnostic System Checkº performed?
Go to Step 2
Go to the ªSRS
Diagnostic
System Check.º
21. When measurements are requested in this chart use J±39200
DVM with correct terminal adapter from J±35616±A.
2. Use scan tool data list function, read and record the driver
deployment loop resistance.
Is driver deployment loop resistance more than 4.4 ohms?
Go to Step 3 Go to Chart A .
31. Ignition switch ªOFF.º
2. Disconnect driver air bag assembly yellow 2±pin connector
located at base of steering column is seated properly.
Is the 2±pin connector connected properly?
Go to Step 4
Seat SRS coil
assembly 2±pin
connector
properly.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 21 current?
Go to Step 5
Ignition switch
ªOFF.º
Go to
Step 8
51. Ignition switch ªOFF.º
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 J±41433 and
appropriate adapter to SRS coil and passenger air bag
assembly harness connectors.
4. Ignition switch ªON.º
Is DTC 21 current?
Go to Step 6 Go to Step 7
61. Ignition switch ªOFF.º
2. There has been a increase in the total circuit resistance of the
driver deployment loop.
3. Use the high resolution ohmmeter mode of the DVM while
checking CKTs IB05±YEL/IB06±GRN and 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
Disconnect SRS driver / passenger load tool from SRS coil
assembly harness connector.
Connect SRS driver / passenger load tool J±41433 on the top
of steering column.
Reconnect SRS coil assembly harness connector as the base
of steering column.
Ignition switch ªON.º
Is DTC 21 current?
Ignition switch
ªOFF.º
Replace SRS
COIL
ASSEMBLY.
Refer to in this
section 9J±24.
Go to
Step 8
Ignition switch
ªOFF.º
Replace driver air
bag assembly.
Go to
Step 8
8Reconnect all components, ensure all component are properly
mounted.
Clear diagnostic trouble codes.
Was this step finished?
Repeat the ªSRS
Diagnostic
System Check.º
Go to Step 8 .

RESTRAINT CONTROL SYSTEM 9J1±30
DTC 22 Driver Deployment Loop Resistance Low
StepActionYe sNo
1Was the ªSRS Diagnostic System Checkº performed?
Go to Step 2
Go to the ªSRS
Diagnostic
System Check.º
21. When measurements are requested in this chart use J±39200
DVM with correct terminal adapter from J±35616±A.
2. Use scan tool data list function, read and record the driver
deployment loop resistance.
Is driver resist. less than 1.9 ohms?
Go to Step 3 Go 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 2±pin connector connected properly?
Go to Step 4
Seat driver air
bag assembly
2±pin connector
properly.
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 driver air bag assembly yellow 2±pin
connector.
3. Ignition switch ªON.º
Is DTC 22 current?
Go to Step 5
Ignition switch
ªOFF.º
Go to
Step 8
51. Ignition switch ªOFF.º
2. Disconnect SRS coil and passenger air bag 2±pin connectors
located at the base of steering column and behind the glove
box assembly.
3. Connect SRS driver / passenger load tool J±41433 and
appropriate adapter to SRS coil and passenger air bag
assembly harness connectors.
4. Ignition switch ªON.º
Is DTC 22 current?
Go to Step 6 Go to Step 7
61. Ignition switch ªOFF.º
2. There has been a decrease in the total circuit resistance of the
driver deployment loop.
3. Use the high resolution ohmmeter mode of the DVM while
checking CKTs 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 J±41433 to the top
of steering column.
4. Reconnect SRS coil assembly harness connector as the base
of steering column.
5. Ignition switch ªON.º
Is DTC 22 current?
Ignition switch
ªOFF.º
Replace SRS coil
assembly.
Refer to in this
section 9J±24.
Go to
Step 8
Ignition switch
ªOFF.º
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 Check.º
Go to Step 8

RESTRAINT CONTROL SYSTEM 9J1±38
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 Check.º
21. When measurements are requested in this chart use J±39200
DVM with correct terminal adapter from J±35616±A.
2. Use scan tool data list function, read and record the driver
differential voltage.
Is driver differential voltage more than 4.0 volts?
Go to Step 3 Go 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 ªONº.
Is DTC 26 current?
Go to Step 5
Ignition switch
ªOFF.º
Go to
Step 8
51. Ignition switch ªOFF.º
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 J±41433 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 6 Go to Step 7
61. Ignition switch ªOFF.º
2. There has been an open circuit in the driver deployment loop.
Use the high resolution ohmmeter mode of the DVM while
checking CKTs 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 J±41433 on steering
column.
4. Reconnect SRS coil assembly harness connector as the base
of steering column.
5. Ignition switch ªON.º
Is DTC 26 current?
Ignition switch
ªOFF.º
Replace SRS coil
assembly, refer to
in this section
9J±3.
Go to
Step 8
Ignition switch
ªOFF.º
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 Check.º
Go to Step 8