2002 ISUZU AXIOM Service Repair Manual

tire pressure reset transmission battery replacement checking oil coolant capacity fuel filter

Page 1257 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±290
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0354 Ignition 4 Control Circuit
060R200055
Circuit Description
ION Sensing Module has the function to energize and
de

Page 1258 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±291
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection at PCM ± Inspect the harness
connectors for backed-out terminals, improper mat

6E±291
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection at PCM ± Inspect the harness
connectors for backed-out terminals, improper mating,
broken locks, improperly formed or damaged
terminals, and poor terminal-to-wire connections.
Damaged harness ± Inspect the wiring harness for
damage. If the harness appears to be OK, observe theTech 2 display related to DTC P0354 while moving the
connector and wiring related to the ignition system. A
change in the display will indicate the location of the
fault.
Reviewing the Failure Records vehicle mileage since the
diagnostic test last failed may help determine how often
the condition that caused the DTC to be set occurs. This
may assist in diagnosing the condition.
DTC P0354 ± Ignition 4 Control Circuit
StepActionValue(s)Ye sNo
1Was the ªOn-Board Diagnostic (OBD) System Checkº
performed?
ÐGo to Step 2
Go to OBD
System
Check
21. Ignition ªONº, engine ªOFFº.
2. Review and record Tech 2 Failure Records data.
3. Operate the vehicle within Failure Record
conditions as noted.
4. Use a Tech 2 to monitor the ªDTCº information for
DTC P0354 until the DTC P0354 test runs.
5. Note the test result.
Does the Tech 2 indicate DTC P0354 failed this ignition
cycle?
ÐGo to Step 3
Go to
Diagnostic
Aids
3Check for faulty connection at ignition coil.
Was a problem found?
ÐVerify repairGo to Step 4
4Check for faulty connection at PCM connector.
Was a problem found?
ÐVerify repairGo to Step 5
51. Ignition ªONº, engine ªOFFº.
2. Back probe the ignition control circuit 4 at the ION
Sensing with a DVM positive lead with the negative
lead to ground.
Is the voltage near the specified value?
25-55 mVGo to Step 6Go to Step 9
61. Ignition ªONº, engine running.
2. Back probe the ignition control circuit at the ION
Sensing Module for the cylinder being tested.
Is the voltage in the specified range, rapidly toggling
back and forth to a reading 20-50 mV higher?
100-180 mVGo to Step 7Go to Step 13
71. Ignition ªOFFº.
2. Disconnect the 3-pin connector at the ignition coil.
3. Check ignition control circuit 4 voltage at the ignition
coil connector while cranking the engine.
Does the voltage measure between the specified
values?
200-1200 mVGo to Step 8Go to Step 11
8Replace the ignition coil.
Is the action complete?
ÐVerify repairÐ
91. Ignition ªOFFº.
2. Disconnect the PCM and the ignition coil.
3. Check ignition control circuit 4 for short to ground.
Was a problem found?
ÐVerify repairGo to Step 10
10Check ignition control circuit 4 for short to voltage.
Was a problem found?
ÐVerify repairGo to Step 13

Page 1259 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±292
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P0354 ± Ignition 4 Control Circuit
StepNo Ye s Value(s) Action
11Check for an open ignition control circuit 4.
Was the ignition contr

Page 1260 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±293
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0355 Ignition 5 Control Circuit
060R200055
Circuit Description
ION Sensing Module has the function to energize and
de

Page 1261 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±294
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection at PCM ± Inspect the harness
connectors for backed-out terminals, improper mat

6E±294
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection at PCM ± Inspect the harness
connectors for backed-out terminals, improper mating,
broken locks, improperly formed or damaged
terminals, and poor terminal-to-wire connections.
Damaged harness ± Inspect the wiring harness for
damage. If the harness appears to be OK, observe theTech 2 display related to DTC P0355 while moving the
connector and wiring related to the ignition system. A
change in the display will indicate the location of the
fault.
Reviewing the Failure Records vehicle mileage since the
diagnostic test last failed may help determine how often
the condition that caused the DTC to be set occurs. This
may assist in diagnosing the condition.
DTC P0355 ± Ignition 5 Control Circuit
StepActionValue(s)Ye sNo
1Was the ªOn-Board Diagnostic (OBD) System Checkº
performed?
ÐGo to Step 2
Go to OBD
System
Check
21. Ignition ªONº, engine ªOFFº.
2. Review and record Tech 2 Failure Records data.
3. Operate the vehicle within Failure Record
conditions as noted.
4. Use a Tech 2 to monitor the ªDTCº information for
DTC P0355 until the DTC P0355 test runs.
5. Note the test result.
Does the Tech 2 indicate DTC P0355 failed this ignition
cycle?
ÐGo to Step 3
Go to
Diagnostic
Aids
3Check for faulty connection at ignition coil.
Was a problem found?
ÐVerify repairGo to Step 4
4Check for faulty connection at PCM connector.
Was a problem found?
ÐVerify repairGo to Step 5
51. Ignition ªONº, engine ªOFFº.
2. Back probe the ignition control circuit 5 at the ION
Sensing Module with a DVM positive lead with the
negative lead to ground.
Is the voltage near the specified value?
25-55 mVGo to Step 6Go to Step 9
61. Ignition ªONº, engine running.
2. Back probe the ignition control circuit at the ION
Sensing Module for the cylinder being tested.
Is the voltage in the specified range, rapidly toggling
back and forth to a reading 20-50 mV higher?
100-180 mVGo to Step 7Go to Step 13
71. Ignition ªOFFº.
2. Disconnect the 3-pin connector at the ignition coil.
3. Check ignition control circuit 5 voltage at the ignition
coil connector while cranking the engine.
Does the voltage measure between the specified
values?
200-1200 mVGo to Step 8Go to Step 11
8Replace the ignition coil.
Is the action complete?
ÐVerify repairÐ
91. Ignition ªOFFº.
2. Disconnect the PCM and the ignition coil.
3. Check ignition control circuit 5 for short to ground.
Was a problem found?
ÐVerify repairGo to Step 10
10Check ignition control circuit 5 for short to voltage.
Was a problem found?
ÐVerify repairGo to Step 13

Page 1262 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±295
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P0355 ± Ignition 5 Control Circuit
StepNo Ye s Value(s) Action
11Check for an open ignition control circuit 5.
Was the ignition contr

Page 1263 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±296
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0356 Ignition 6 Control Circuit
060R200055
Circuit Description
ION Sensing Module has the function to energize and
de

Page 1264 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±297
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection at PCM ± Inspect the harness
connectors for backed-out terminals, improper mat

6E±297
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection at PCM ± Inspect the harness
connectors for backed-out terminals, improper mating,
broken locks, improperly formed or damaged
terminals, and poor terminal-to-wire connections.
Damaged harness ± Inspect the wiring harness for
damage. If the harness appears to be OK, observe theTech 2 display related to DTC P0356 while moving the
connector and wiring related to the ignition system. A
change in the display will indicate the location of the
fault.
Reviewing the Failure Records vehicle mileage since the
diagnostic test last failed may help determine how often
the condition that caused the DTC to be set occurs. This
may assist in diagnosing the condition.
DTC P0356 ± Ignition 6 Control Circuit
StepActionValue(s)Ye sNo
1Was the ªOn-Board Diagnostic (OBD) System Checkº
performed?
ÐGo to Step 2
Go to OBD
System
Check
21. Ignition ªONº, engine ªOFFº.
2. Review and record Tech 2 Failure Records data.
3. Operate the vehicle within Failure Record
conditions as noted.
4. Use a Tech 2 to monitor the ªDTCº information for
DTC P0356 until the DTC P0356 test runs.
5. Note the test result.
Does the Tech 2 indicate DTC P0356 failed this ignition
cycle?
ÐGo to Step 3
Go to
Diagnostic
Aids
3Check for faulty connection at ignition coil.
Was a problem found?
ÐVerify repairGo to Step 4
4Check for faulty connection at PCM connector.
Was a problem found?
ÐVerify repairGo to Step 5
51. Ignition ªONº, engine ªOFFº.
2. Back probe the ignition control circuit 6 at the ION
Sensing Module with a DVM positive lead with the
negative lead to ground.
Is the voltage near the specified value?
25-55 mVGo to Step 6Go to Step 9
61. Ignition ªONº, engine running.
2. Back probe the ignition control circuit at the ION
Sensing Module for the cylinder being tested.
Is the voltage in the specified range, rapidly toggling
back and forth to a reading 20-50 mV higher?
100-180 mVGo to Step 7Go to Step 13
71. Ignition ªOFFº.
2. Disconnect the 3-pin connector at the ignition coil.
3. Check ignition control circuit 6 voltage at the ignition
coil connector while cranking the engine.
Does the voltage measure between the specified
values?
200-1200 mVGo to Step 8Go to Step 11
8Replace the ignition coil.
Is the action complete?
ÐVerify repairÐ
91. Ignition ªOFFº.
2. Disconnect the PCM and the ignition coil.
3. Check ignition control circuit 6 for short to ground.
Was a problem found?
ÐVerify repairGo to Step 10
10Check ignition control circuit 6 for short to voltage.
Was a problem found?
ÐVerify repairGo to Step 13

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