Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 119
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–94
Chart E–1
AXLE switch circuit wires are broken.
Function of circuit
—
Fail condition
Both the TOD and 4L modes are disabled. (The transition status is not removed.)
Indicator lamp state
TOD switch position
TOD
4L
D04R200023
4B2–95
DRIVE LINE CONTROL SYSTEM (TOD)
Step
Action
Yes
No
1
Start the engine.
When the TOD switch is selected to the TOD position, is 0V
observed between terminals 42 and 47?
Go to
Step 2
Go to
Step 4
2
1. The car stops, the AT selector is N position, and the brake is
applied.
2. Select the TOD switch to the 4L position.
Is 0V observed between terminals 42 and 47?
Go to
Step 3
Go to
Step 4
3
1. The car stops, the AT selector is N position, and the brake is
applied.
When the TOD switch is selected to the 4L position, is 12V
observed between the terminal 19 and 47?
The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
The ECU has
failed.Replace
the ECU.
Go to
Step 8
4
1. The car stops, the AT selector is N position, and the brake is
applied.
When the TOD switch is selected to the 2H position, is the battery
voltage observed between the terminal 23 and 47.
Go to
Step 5
Go to
Step 7
5
When the TOD switch is selected to the TOD position (TOD
mode), is 0
∼
1V observed between terminals 23 and 47?
Go to
Step 6
Go to
Step 7
6
1. The car stops, the AT selector is N position, and the brake is
applied.
When the TOD switch is selected to the 4L position, is 0V
observed between terminals 23 and 47?
Repair the circuit
or check the
“Front Axle
Disconnect”.
(Refer to
section
4B)
Go to
Step 8
Go to
Step 7
7
Is any of the trouble codes 28 (P1760), 32 (P1761) and 33
(P1762) recorded?
Examine the
trouble based on
“Diagnosis from
Trouble Codes”.
The ECU has
failed. Replace
the ECU.
Go to
Step 8
8
Check that all the parts are mounted.
Is this step complete?
Verify the repair.
Go to
Step 8
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–96
Chart E–2
The AXLE switch circuit is short-circuited to GND.
Function of circuit
—
Fail condition
Even after the TOD switch is selected to the 2H position, the 2H mode is not enabled.
(The transition status is not removed.)
Indicator lamp state
TOD switch position
2H
D04R200023
4B2–97
DRIVE LINE CONTROL SYSTEM (TOD)
Step
Action
Yes
No
1
Start the engine.
When the TOD switch is selected to the TOD position, is 0V
observed between terminals 42 and 47?
Go to
Step 2
Go to
Step 6
2
1. The car stops, the AT selector is N position, and the brake is
applied.
When the TOD switch is selected to the 4L position, is 0V
observed between terminals 42 and 47?
Go to
Step 3
Go to
Step 6
3
1. The car stops, the AT selector is N position, and the brake is
applied.
2. Select the TOD switch to the 2H position.
Is 5V observed between terminals 42 and 47?
Go to
Step 4
Go to
Sep 6
4
Is 12V observed between terminals 7 and 47?
Go to
Step 5
Replace the
ECU.
Go to
Step 10
5
Is 12V observed between terminals 19 and 47?
The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
The ECU has
failed.Replace
the ECU.
Go to
Step 10
6
1. The car stops, the AT selector is N position, and the brake is
applied.
When the TOD switch is selected to the 2H position, is the battery
voltage observed between terminals 23 and 47?
Go to
Step 7
Go to
Step 9
7
1. The car stops, the AT selector is N position, and the brake is
applied.
When the TOD switch is selected to the TOD position, is 0V
observed between terminals 23 and 47?
Go to
Step 8
Go to
Step 9
8
1. The car stops, the AT selector is N position, and the brake is
applied.
When the TOD switch is selected to the 4L position, is 0V
observed between terminals 23 and 47?
Repair the circuit
or check the
“Front Axle
Disconnect”.
(Refer to
section
4B)
Go to
Step 10
Go to
Step 9
9
Is any of the trouble codes 28 (P1760), 32 (P1761) and 33
(P1762) recorded?
Examine the
trouble based on
“Diagnosis from
Trouble Codes”.
The ECU has
failed. Replace
the ECU.
Go to
Step 10
10
Check that all the parts are mounted.
Is this step complete?
Verify the repair.
Go to
Step 10
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