display ISUZU TF SERIES 2004 Workshop Manual

11B – 26 ANTITHEFT SYSTEM
Operating Procedure
The power up screen is displayed when you power
up the tester with the Isuzu systems PCMCIA card.
Follow the operating procedure below.
Press (ENTER) To Continue
F0 : Diagnostics
F1 : View Capture Data
F2 : Tool Options
F3 : Down load/Up load Help
Vehicle Identification
Select one of the following
Model Year(S)(ENTER)
(F0 ENTER)
(Model year ENTER)
060R100102
(UP) AXIOM
Vehicle Type
Antitheft
F0 : Powertrain
F1 : Chassis
F2 : Body
Vehicle Identification
Select one of the following
Body(F2 ENTER)
(Vehicle Type ENTER)
Vehicle Identification
Select one of the following
System Selection Menu(UB) Trooper
(UE) Rodeo/Amigo
(TF) LUV,Frontier,LAO-RodeoVehicle Type(S)

ANTITHEFT SYSTEM 11B – 37
Antitheft System Check
Step Action Value (s) Yes No
1
2
3
4
5
6
7
8
91. Key position is “ACC”, shut all doors and
bonnet.
2. Observe the antitheft lamp.
Note: When a key switch is “ACC”, antithft
lamp will turn on and a antitheft lamp (LED)
will be flashing after 10 seconds.
Is the antitheft lamp "ON” or flashing?
1. Key position is “ON”, engine “OFF”.
2. Observe the antitheft lamp.
3. Key position is turned “ACC”.
4. Check the antitheft lamp will be turned
flashing and lamp will be turned ACC after 10
seconds.
Is the antitheft lamp flashing?
1. Key position is “OFF”.
2. Install the Tech-2.
3. Key position is “ON” or “OFF”.
4. Attempt to display antitheft data with the
Tech-2.
Does the Tech-2 display antitheft data?
1. Key position is “OFF”, disconnect the
antitheft control unit (ACU).
2. Check the DLC (Data Link Connector) circuit
for an open, short to ground, or short to
voltage.
Also, check the DLC ignition feed circuit for an
open or short to ground and the DLC ground
circuit for an open.
Was a problem found?
Repair or replace the DLC (Data Link Connector)
circuit.
Was the action complete?
1. Check the ACU ground circuit for an open, or
short to voltage. Also, check the ACU ignition
feed circuit for an open or short to ground
and the ACU ground circuit for an open.
2. If a problem is found, repair as necessary.
Was the problem found?
Replace the antitheft control unit (ACU).
IMPORTANT: The replacement ACU must be
programmed the antitheft data by Tech-2.
Was the action complete?
Select “Display DTCs” with the Tech-2.
Are any DTCs stored?
1. Observe the antitheft data list on Tech-2.
2. If a problem is found, repair as necessary.
Was the problem found?—
—
—
—
—
—
—
—
—Go to Step 2
Go to
DTC table
Go to Step 9
Go to Step 5
Go to Step 3
Verfy repair
Go to Step 8
Go to applicable
DTC table
System OKGo to
“No antitheft
lamp”
Go to Step 3
Go to Step 4
Go to Step 6
—
Go to Step 7
—
—
Go to
applicable
section

11B – 38 ANTITHEFT SYSTEM
No Antitheft Lamp
Step Action Value (s) Yes No
1
2
3
4
5
6Check the fuse for the antitheft power feed
circuit. (10A)
If a problem found, repair as necessary.
Was the probem found?
Is the action complete?
1. Check the ACU ground circuit for an open, or
short to voltage. Also, check the ACU ignition
feed circuit for an open or short to ground
and the ACU ground circuit for an open.
2. If a problem is found, repair as necessary.
Was the problem found?
1. Check the antitheft lamp LED circuit for an
open, or short to voltage.
2. If a problem is found, repair as necessary.
Was the problem found?
1. Key position is “OFF”.
2. Install the Tech-2.
3. Key position is “ACC” or “OFF”.
4. Observe to display lamp data with the Tech-2.
Does the Tech-2 display antitheft lamp data ON?
Replace the antitheft lamp.
Replace the antitheft control unit (ACU).
IMPORTANT:The replacement ACU must be
programmed the antitheft data by Tech-2.
Was the action complete?—
—
—
—
—
—Verify repair
Verfy repair
Verify repair
Go to Step 5
Verify repair
Verify repairGo to Step 2
Go to Step 3
Go to Step 4
Go to Step 6
—
—

11B – 50 ANTITHEFT SYSTEM
DTC 31 Actuator Driver Door Defect
Step Action Value (s) Yes No
1
2
3
4
5
6
7Was the Antitheft System Check"
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 31 stored?
Check the driver door locking motor function.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “OFF”.
4. Observe to display locking motor data with
the Tech-2.
5. Turn ON by driver door lock.
Does the Tech-2 display ON voltage?
1. Key position is “OFF”.
2. Observe to display unlocking motor data with
the Tech-2.
3. Turn OFF by driver door lock.
Does the Tech-2 display ON voltage?
1. Check the driver door locking motor circuit for
an open, short to ground, or short to voltage.
Also, check the motor connector for damage.
2. If a problem found, repair as necessary.
Was the problem found?
1. Repair or replace the driver door lockoing
motor.
2. Check the DTC on the Tech-2.
Is DTC 31 stored?
Replace the antitheft control unit (ACU).
IMPORTANT:The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Refer to
Diagnostic Aids,
and then go to
step 5
Verify repair
Go to Step 7
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
Go to Step 5
Go to Step 6
Verify repair
—

ANTITHEFT SYSTEM 11B – 51
DTC 32 Actuator Passenger Door Defect
Step Action Value (s) Yes No
1
2
3
4
5
6
7Was the Antitheft System Check
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3 Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 32 stored?
Check the passenger locking motor function.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “OFF”.
4. Observe to display locking motor data with
the Tech-2.
5. Turn ON by passenger door lock.
Does the Tech-2 display ON valtage?
1. Key position is “OFF”.
2. Observe to display unlocking motor data with
the Tech-2.
3. Turn OFF by passenger door lock.
Does the Tech-2 display ON valtage?
1. Check the passenger doorlocking motor
circuit for an open, short to ground, or short
to voltage.
Also, check the motor connector for damage.
2. If a problem found, repair as necessary.
Was the problem found?
1. Repair or replace the passenger door locking
motor.
2. Check the DTC on the Tech-2.
Is DTC 32 stored?
Replace the antitheft control unit (ACU).
IMPORTANT: The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Refer to
Diagnostic Aids,
and then go to
step 5
Verify repair
Go to Step 7
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
Go to Step 5
Go to Step 6
Verify repair
—

11B – 52 ANTITHEFT SYSTEM
DTC 36 Broken Wire To Driver Door
Step Action Value (s) Yes No
1
2
3
4
5
6
7Was the Antitheft System Check"
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 36 stored?
Check the driver door lock function.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “OFF”.
4. Observe to display door lock data with the
Tech-2.
5. Turn ON by driver door lock.
Does the Tech-2 display Closed?
1. Key position is “ON”.
2. Observe to display door lock data with the
Tech-2.
3. Turn OFF by driver door lock.
Does the Tech-2 display Open ?
1. Check the driver door lock circuit for an open,
short to ground, or short to voltage.
Also, check the motor connector for damage.
2. If a problem found, repair as necessary.
Was the problem found?
1. Repair or replace the driver door lock.
2. Check the DTC on the Tech-2.
Is DTC 36 stored?
Replace the antitheft control unit (ACU).
IMPORTANT:The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Refer to
Diagnostic Aids,
and then go to
step 5
Verify repair
Go to Step 7
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
Go to Step 5
Go to Step 6
Verify repair
—

ANTITHEFT SYSTEM 11B – 53
DTC 37 Broken Wire To Passenger Door
Step Action Value (s) Yes No
1
2
3
4
5
6
7Was the Antitheft System Check
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 37 stored?
Check the passenger door lock function.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “OFF”.
4. Observe to display door lock data with the
Tech-2.
5. Turn ON by passenger door lock.
Does the Tech-2 display Closed ?
1. Key position is “ON”.
2. Observe to display door lock data with the
Tech-2.
3. Turn OFF by passenger door lock.
Does the Tech-2 display Open ?
1. Check the passenger door lock circuit for an
open, short to ground, or short to voltage.
Also, check the motor connector for damage.
2. If a problem found, repair as necessary.
Was the problem found?
1. Repair or replace the passenger door lock.
2. Check the DTC on the Tech-2.
Is DTC 37 stored?
Replace the antitheft control unit (ACU).
IMPORTANT:The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Refer to
Diagnostic Aids,
and then go to
step 5
Verify repair
Go to Step 7
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
Go to Step 5
Go to Step 6
Verify repair
—

11B – 54 ANTITHEFT SYSTEM
DTC 41 Driver Door Lock Switch Unlock Defect
Step Action Value (s) Yes No
1
2
3
4
5
6
7Was the Antitheft System Check"
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 41 stored?
Check the driver door lock function.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “OFF”.
4. Observe to display door lock switch data with
the Tech-2.
5. Turn ON by driver door lock.
Does the Tech-2 display Closed?
1. Key position is “OFF”.
2. Observe to display door lock data with the
Tech-2.
3. Turn OFF by driver door lock.
Does the Tech-2 display Open ?
1. Check the driver door lock switch circuit for
an open, short to ground, or short to voltage.
Also, check the door lock connector for
damage.
2. If a problem found, repair as necessary.
Was the problem found?
1. Repair or replace the driver door lock switch.
2. Check the DTC on the Tech-2.
Is DTC 41 stored?
Replace the antitheft control unit (ACU).
IMPORTANT:The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Refer to
Diagnostic Aids,
and then go to
step 5
Verify repair
Go to Step 7
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
Go to Step 5
Go to Step 6
Verify repair
—

ANTITHEFT SYSTEM 11B – 55
DTC 42 Driver Door Lock Switch lock Defect
Step Action Value (s) Yes No
1
2
3
4
5
6
7Was the Antitheft System Check
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 42 stored?
Check the driver door lock function.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “OFF”.
4. Observe to display door lock switch data with
the Tech-2.
5. Turn ON by driver door lock.
Does the Tech-2 display Closed?
1. Key position is “OFF”.
2. Observe to display door lock data with the
Tech-2.
3. Turn OFF by driver door lock.
Does the Tech-2 display Open ?
1. Check the driver door lock switch circuit for
an open, short to ground, or short to voltage.
Also, check the door lock connector for
damage.
2. If a problem found, repair as necessary.
Was the problem found?
1. Repair or replace the driver door lock switch.
2. Check the DTC on the Tech-2.
Is DTC 42 stored?
Replace the antitheft control unit (ACU).
IMPORTANT:The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Refer to
Diagnostic Aids,
and then go to
step 5
Verify repair
Go to Step 7
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
Go to Step 5
Go to Step 6
Verify repair
—

11B – 56 ANTITHEFT SYSTEM
DTC 43 Driver Door Lock Switch Super lock Defect
Step Action Value (s) Yes No
1
2
3
4
5
6
7Was the Antitheft System Check"
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 43 stored?
Check the driver door lock function.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “OFF”.
4. Observe to display door lock switch data with
the Tech-2.
5. Turn ON by driver door lock.
Does the Tech-2 display Closed?
1. Key position is “OFF”.
2. Observe to display door lock data with the
Tech-2.
3. Turn OFF by driver door lock.
Does the Tech-2 display Open?
1. Check the driver door lock switch circuit for
an open, short to ground, or short to voltage.
Also, check the door lock connector for
damage.
2. If a problem found, repair as necessary.
Was the problem found?
1. Repair or replace the driver door lock switch.
2. Check the DTC on the Tech-2.
Is DTC 43 stored?
Replace the antitheft control unit (ACU).
IMPORTANT:The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Refer to
Diagnostic Aids,
and then go to
step 5
Verify repair
Go to Step 7
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
Go to Step 5
Go to Step 6
Verify repair
—