Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 116
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–82
Chart C–1
4H switch circuit is short-circuited to GND.
Function of circuit
—
Fail condition
When the TOD switch is selected to 4L from TOD, all the indicator lamps are turned off.
Indicator lamp state
TOD switch position
4L
4B2–83
DRIVE LINE CONTROL SYSTEM (TOD)
D04R200022
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–84
Step
Action
Yes
No
1
1. Turn on the starter switch.
2. The car stops, the AT selector is N position and the brake is
applied.
When the TOD switch is changed to the TOD position, is 12V
observed between terminals 31 and 47 (4H switch)?
Go to
Step 2
Go to
Step 9
2
1. The car stops the AT selector is N position and the brake is
applied.
When the TOD switch is changed to the 4L position, is 12V
observed between terminals 31 and 47 (4H switch)?
Go to
Step 3
Go to
Step 9
3
1. Turn off the starter switch.
Is there the continuity terminal 14 and 7?
Go to
Step 4
Replace the TOD
indicator lamp
bulb, or repair the
circuit.
Go to
Step 13
4
Is there the continuity between the terminals 14 and 19?
Go to
Step 5
Replace the TOD
indicator lamp
bulb, or repair the
circuit.
Go to
Step 13
5
Is there the continuity between the terminal 14 and 8?
Go to
Step 6
Replace the TOD
indicator lamp
bulb, or repair the
circuit.
Go to
Step 13
6
1. Turn on the starter switch.
2. The car stops the AT selector is N position and the brake is
applied.
When the TOD switch is changed to the 4L position, is 0V
observed between terminal 7 and 47? (for 2 seconds after the
starter switch ON) ?
Go to
Step 7
The ECU has
frailed. Replace
the ECU.
Go to
Step13
7
Is 0V observed between terminal 19 and 47? (for 2 seconds after
the starter switch ON)
Go to
Step 8
The ECU has
failed. Replace
the ECU.
Go to
Step 13
8
Is 0V observed between terminal 8 and 47? (for 2 seconds after
the starter switch ON)
The phenomenon
is not
reproduced.
Refer to
“Trouble
intermittently
observed”.
The ECU has
failed. Replace
the ECU.
Go to
Step 13
9
1. The car stops, the AT selector is N position, and the brake is
applied.
2. The TOD switch is changed to the TOD (or 2H) position.
3. Turn off the starter switch.
4. Disconnect the ECU connector (C–37).
Is there the continuity between the connector (C–37) terminal 9
and 25?
Go to
Step 11
Go to
Step 10
4B2–85
DRIVE LINE CONTROL SYSTEM (TOD)
Step
No
Yes
Action
10
1. Connect the ECU connector (C–37) and turn on the starter
switch.
2. The car stops, the AT selector is N position, and the brake is
applied.
3. Change the TOD switch to the 4L position.
4. Turn off the starter switch and disconnect the ECU connector
(C–37).
Is there the continuity between the connector (C–37) terminal 9
and 25?
Go to
Step 11
The ECU has
failed. Replace
the ECU.
Go to
Step 13
11
1. Disconnect the connector (H–7).
Is the continuity established between the transfer connector
terminals (H–7)4 and (C–37) 9?
Go to
Step 12
The harness is
broken between
terminal (H–7) 4
and (C–37) 9.
Repair the circuit.
Go to
Step 13
12
1. Connect the connector (H–7).
2. Disconnect the connector (A–1).
Is there the continuity between the connector terminal (A–1) 4 and
(C–37) 9?
Repair the
transfer.
Go to
Step 13
The harness
between the
connector
terminal (C–37) 9
and (A–1) 4 is
short-circuited to
GND. Repair the
circuit.
Go to
Step 13
13
Check that all the parts are mounted.
Is this step complete?
Verify the repair.
Return to Step 13
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