Isuzu Trooper (1998-2002 year). Service manual — part 968
8D–406
WIRING SYSTEM
STEP
OPERATION
ITEM TO BE CHECKED
ITEM OF
REMARKS
MALFUNCTION
Activate alarm
device.
Check to see if indicator light
goes off after about 10 seconds.
Check to see if alarm operates.
Check to see if alarm stops.
Wait about 10 seconds.
Open engine hood with engine
hood release handle.
Insert key into starter switch and
turn it to “ACC” position.
C
I
J
45
46
47
NOTE: When the connector of the anti–theft & keyless entry control unit is disconnected, the starter is inoperative.
In the checking of short wheel base model, Step Nos. 16 through 21 and Step Nos. 31 through 36 are omitted.
WIRING SYSTEM
8D–407
TERMINAL
CONNECTION
CHECK
OPERATION
CIRCUIT
NO.
ITEM
CONDITION
1
FRT door switch–LH, RH
Continuity
Open door
Continuity
Close door
No continuity
2
RR door switch–LH, RH
Continuity
Open door
Continuity
Close door
No continuity
3
—
—
–
–
4
Door lock key switch–LH, RH
Continuity
Lock with key
Continuity
5
FRT door lock switch–LH, RH
Continuity
Lock
Continuity
6
Tailgate switch
Continuity
Open tailgate
Continuity
Close tailgate
No continuity
8
Anti–theft horn
Voltage
–
Approx. 12V
10
Battery
Voltage
–
Approx. 12V
11
Door switch
Continuity
Unlock with locking knob
Continuity
Lock with locking knob
No continuity
12
Engine hood switch
Continuity
Open engine hood
Continuity
Close engine hood
No continuity
13
Detect switch
Continuity
Unlock with key
Continuity
Lock with key
No continuity
14
Door lock key switch
Continuity
Unlock
Continuity
15
FRT door lock switch–LH, RH
Continuity
Unlock
Continuity
16
Tamper switch
Continuity
–
No continuity
17
Ground
Continuity
–
Continuity
18
Starter switch
Voltage
Starter switch “ACC”
Approx. 12V
19
Indicator light
Voltage
–
Approx. 12V
20
Dome light
Voltage
Dome light “DOOR” position
Approx. 12V
21
Anti-theft relay
Voltage
–
Approx. 12V
22
Starter relay
Voltage
Mode switch “P” or “N”
Approx. 12V
Clutch pedal depressed
Approx. 12V
Connector Check Table
Check the anti–theft & keyless entry control unit harness side connector B–20 by using a circuit tester.
8D–408
WIRING SYSTEM
ID Code Registration
There are four kinds of ID codes which can be registered,
for which these three modes, ID code new registration, ID
code additional registration and ID code check, are
available.
ID Code New Registration
This procedure erases all registered ID codes and
registers a new received ID code instead.
Step
Action
Yes
No
1. Open the driver’s side door.
2. Turn the starter switch off.
Is the action complete?
Turn the starter switch to ACC position and then off three times
within five seconds after step 1.
Is the action complete within five seconds?
Close the door and then open it two times within ten seconds after
step 2.
Is the action complete within ten seconds?
1. Turn the starter switch to ACC position and then off five times.
2. Close the door and then open it.
NOTE: This step must be performed within ten seconds after step
3.
Is the action complete?
The control unit makes lock/unlock response once with interval of
one second.
Is the response complete?
Operate the lock or unlock button of transmitter within twenty
seconds after step 5.
Is the action complete?
The control unit makes lock/unlock response once with interval of
one second as ID temporary registration.
Is the response complete?
Operate the lock or unlock button of transmitter within twenty
seconds after step 7.
Is the action complete?
The control unit compares temporary registered ID code with
receiving ID code.
Is temporary registered ID code the same as receiving ID code?
The control unit makes lock/unlock response three times with
interval of one second.
Is the response complete?
The control unit erases all registered ID codes and registers new
ID code.
Is the registration complete?
1
2
3
4
5
6
7
8
9
10
11
Go to Step 2
Go to Step 3
Go to Step 4
Go to Step 5
Go to Step 6
Go to Step 7
Go to Step 8
Go to Step 9
Go to Step 11
Finished
Go to Step 12
—
Finished
Finished
Finished
—
Finished
—
Finished
Go to Step 11
—
Go to Step 13
WIRING SYSTEM
8D–409
Step
Action
Yes
No
The control unit makes lock/unlock response once with interval of
one second.
Is the response complete?
The control unit makes lock/unlock response three times with
interval of one second.
Is the response complete?
12
13
Finished
Finished
—
—
Step
Action
Yes
No
1. Open the driver’s side door.
2. Turn the starter switch off.
Is the action complete?
Turn the starter switch to ACC position and then off three times
within five seconds after step 1.
Is the action complete within five seconds?
Close the door and then open it two times within ten seconds after
step 2.
Is the action complete within ten seconds?
1. Turn the starter switch to ACC position and then off three
times.
2. Close the door and then open it.
NOTE: This step must be performed within ten seconds after step
3.
Is the action complete?
The control unit makes lock/unlock response two times with
interval of one second.
Is the response complete?
Operate the lock or unlock button of transmitter within twenty
seconds after step 5.
Is the action complete?
The control unit makes lock/unlock response two times with
interval of one second as ID temporary registration.
Is the response complete?
Operate the lock or unlock transmitter within twenty seconds after
step 7.
Is the action complete?
The control unit compares temporary registered ID code with
receiving ID code.
Is temporary registered ID code the same as receiving ID code?
The control unit makes lock/unlock response three times with
interval of one second.
Is the response complete?
The control unit registers new ID code.
Is the registration complete?
1
2
3
4
5
6
7
8
9
10
11
Go to Step 2
Go to Step 3
Go to Step 4
Go to Step 5
Go to Step 6
Go to Step 7
Go to Step 8
Go to Step 9
Go to Step 11
Finished
Go to Step 12
—
Finished
Finished
Finished
—
Finished
—
Finished
Go to Step 10
—
Go to Step 13
ID Code Additional Registration
This procedure additionally registers a new received ID
code with holding registered ID codes. When total
number of registered ID codes and newly registered ID
code exceeds four, they are erased in order of older one.
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