Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 109
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–54
Step
Action
Yes
No
1
1. Clear the trouble code.
2. Start the engine
3. Set the TOD mode.
Is there DTC31 (P1721)?
Go to
Step 2
Refer to
“Trouble
intermittently
observed”.
2
1. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Is the continuity established between terminals (C–38)11 and
(C–38)22?
Go to
Step 3
Go to
Step 5
3
1. Connect the ECU connector.
2. Start the engine.
3. Set the TOD mode.
Does the voltage between terminals 11 and 22 indicate at least
0.4V?
Go to
Step 4
Go to
Step 6
4
Is the battery voltage always observed between terminals 11 and
22?
The harness is
short–circuited on
the battery.
Repair the circuit.
Go to
Step 8
Go to
Step 6
5
1. Disconnect the A–1 connector.
Is the continuity established between transfer connector
terminals (A–1)8 and (A–1)7?
The harness is
broken. Repair
the circuit.
Go to
Step 8
Replace the
transfer
electromagnetic
coil (solenoid
clutch).
Go to
Step 8
6
1. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Is the resistance between the connector (C–38) terminal 11 and
22 1.0
∼
5.0
W
?
The ECU has
failed. Replace
the ECU
Go to
Step 8
Go to
Step 7
7
Is the resistance between the transfer connector (A–1) terminal 8
and 7 1.0
∼
5.0
W
?
The harness is
disconnection or
short to GND.
Repair the circuit.
Go to
Step 8
Replace the
transfer
electromagnetic
coil (solenoid
clutch).
Go to
Step 8
8
1. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 8
4B2–55
DRIVE LINE CONTROL SYSTEM (TOD)
Check flow
Trouble code
Phenomenon
Standard
10
28 (P1760)
The shift on the fly system (front
axle disconnect) works incorrectly.
—
NOTE: The shift on the fly system is not changed
between 2WD and 4WD modes normally.
CAUTION: If code 32 or 33 is also observed, remove
the trouble associated with code 32 or 33 first.
D04R200023
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–56
Step
Action
Yes
No
1
1. Turn on the starter switch.
2. Set the transfer to the 2H mode.
Is the battery voltage observed between terminals 23 and 47?
Go to
Step 2
Go to
Step 5
2
Is 5V observed between terminals 42 and 47?
Go to
Step 3
Go to
Step 6
3
1. Set the transfer to the TOD mode.
Does the voltage between terminals 23 and 47 indicate 0
∼
1V?
Go to
Step 4
The ECU has
failed. Replace
the ECU.
Go to
Step 7
4
Does the voltage between terminals 42 and 47 indicate 0V?
The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
The shift on the
fly system is
failed (refer to
Section 4B1 and
4C).
Go to
Step 7
5
Does the TOD indicator show the 2H mode?
The ECU has
failed. Replace
the ECU.
Go to
Step 7
See “Trouble
Diagnosis
Depending on
The Status of
TOD Indicator”.
6
Set the transfer to the TOD mode.
Does the voltage between terminals 23 and 47 indicate 0
∼
1V?
The shift on the
fly system has
failed (refer to
Section 4B1 and
4C).
Go to
Step 7
The ECU has
failed. Replace
the ECU.
Go to
Step 7
7
1. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Verify the repair.
Return to
Step 7
4B2–57
DRIVE LINE CONTROL SYSTEM (TOD)
Check flow
Trouble code
Phenomenon
Standard
11
32 (P1761)
The on/off signal (ADC) line of the
shift on the fly system (front axle
disconnect) is broken, or the line is
short-circuited to the battery.
—
NOTE: The on/off signal line of the shift on the fly system
is broken, or the line is short–circuited to the battery.
D04R200023
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