Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 631
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–44
D04RY00012
4B2–45
DRIVE LINE CONTROL SYSTEM (TOD)
Step
Action
Yes
No
1
1. Turn off the starter switch.
Is the battery voltage normal?
Go to Step 2
Charge or
replace the
battery.
Go to Step 7
2
1. Turn on the starter switch.
Does the voltage between terminals 15 and 46 fall within the
standard range?
Go to Step 3
Go to Step 4
3
1. Clear the trouble code.
2. Turn on the starter switch.
Is there DTC21 (P1716)?
Go to Step 4
Refer to “Trouble
intermittently
observed”.
4
1. Turn off the starter switch.
2. Disconnect the ECU connector.
3. Turn on the starter switch.
Does the voltage between terminals (B–49)15 and (B–48)24 fall
within the standard range above?
The ECU has
failed. Replace
the ECU.
Go to Step 7
Go to Step 5
5
Is the harness healthy?
Go to Step 6
Repair the
harness.
Go to Step 7
6
Is the TPS healthy?
Go to Step 7
Replace the TPS.
Go to Step 7
7
1. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Go to Step 7
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–46
Check flow
Trouble code
Phenomenon
Standard
9
31 (P1721)
The electromagnetic coil is broken
or shorted to the battery.
—
D04RY00008
4B2–47
DRIVE LINE CONTROL SYSTEM (TOD)
Step
Action
Yes
No
1
1. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Is the continuity established between terminals (B–49)11 and
(B–49)22?
Go to Step 2
Go to Step 4
2
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 3
The ECU has
failed. Replace
the ECU.
Go to Step 5
3
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 5
The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
4
1. Disconnect the M–27 connector.
Is the continuity established between transfer connector
terminals (M–27)8 and (M–27)7?
The harness is
broken. Repair
the circuit.
Go to Step 5
Replace the
transfer
electromagnetic
coil (solenoid
clutch).
Go to Step 5
5
1. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 5
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