Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 120
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–98
Chart G
The trouble codes are displayed.
Function of circuit
—
Fail condition
Indicator lamp state
TOD switch position
—
D04R200009
4B2–99
DRIVE LINE CONTROL SYSTEM (TOD)
Step
Action
Yes
No
1
Disconnect the ECU connector from ECU.
Is there the continuity established between terminals (C–37)7 and
(C–37)25?
Go to
Step 2
The ECU has
failed. Replace
the ECU.
Go to
Step 3
2
Is the self-diagnostic connector short-circuited?
Go to
Step 3
Open the
self-diagnostic
connector.
Go to
Step 3
3
1. Check that all the parts are mounted.
2. Clear the trouble codes.
Is this step complete?
Verify the repair.
Go to
Step 3
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–100
Chart H
Lighting switch circuit
Function of circuit
Reads in the status of lighting switch, and reduces the indicator at night.
Fail condition
Even if the lighting switch is pressed on and off, brightness does not change.
Indicator lamp state
TOD switch position
All position (exsample TOD mode)
D04R200009
4B2–101
DRIVE LINE CONTROL SYSTEM (TOD)
Step
Action
Yes
No
1
1. Turn on the starter switch.
2. Turn off the lighting switch.
Is 0V observed between the EUC terminal 40 and 47?
Go to
Step 2
Lighting switch
battery circuit
short. Repair the
circuit.
Go to
Step 4
2
Turn lighting switch “ON”.
Is the battery voltage observed between ECU terminal 40 and 47?
Go to
Step 3
Wires are broken
in lighting switch
circuit. Repair the
circuit.
Go to
Step 4
3
While the lighting switch is pressed on and off, does the
brightness of the indicator change?
The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”
The ECU has
failed. Replace
the ECU.
Go to
Step 4
4
Check that all the parts are mounted.
Is this step complete?
Verify the repair.
Go to
Step 4
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