Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 105
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–38
Step
Action
Yes
No
1
1. Start the engine.
2. Select TOD mode.
Is there the memory except DTC 14(P1731)?
Go to
Step 4
Go to
Step 2
2
1. Turn off the starter switch.
2. Disconnect the ECU connector (C–38) and (C–37).
Is there the continuity between (C–37) terminal 10 and 25?
Repair the circuit.
Go to
Step 7
Go to
Step 3
3
1. Disconnect the transfer connector (A–1).
Is there the continuity between the connector (C–37) terminal 10
and the connector (A–1) terminal 6, the connector (C–38) terminal
12 and connector (A–1) terminal 2, and the connector (C–38)
terminal 13 and connector (A–1) terminal 10?
Replace the front
speed sensor.
Go to
Step 7
Repair the circuit.
Go to
Step 7
4
Is the memory DTC 24(P1733)?
Go to
Step 5
Refer to
other
trouble check
flow.
5
Is there the continuity between harnesses of terminal 32 and 45
(vehicle side terminal of the front and rear speed sensor)?
Go to
Step 6
Repair the circuit.
Go to
Step 7
6
Is there the continuity between harnesses of terminal 12 and 13
(vehicle side terminal of the speed sensor COM(–) and ref)?
Replace front and
rear speed
sensor.
Go to
Step 7
Repair the circuit.
Go to
Step 7
7
1. Check that all the parts are mounted.
2. Clear the trouble code.
Is the step complete?
Verify the repair.
Return to
Step 7
4B2–39
DRIVE LINE CONTROL SYSTEM (TOD)
Check flow
Trouble code
Phenomenon
Standard
3
24
Rear speed sensor signal open or
GND short speed sensor COM
0.2 V > sensor voltage
P1733
GND short, s eed sensor COM
open.
NOTE: The following procedure shows the case that the
front or rear sensor common grounding line is broken.
D04R200005
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–40
Step
Action
Yes
No
1
1. Start the engine.
2. Select TOD mode.
Is there the memory except DTC 24(P1733)?
Go to
Step 4
Go to
Step 2
2
1. Turn off the starter switch.
2. Disconnect the ECU connector (C–38) and (C–37).
Is there the continuity between the connector (C–37) terminal 23
and 25?
Repair the circuit.
Go to
Step 7
Go to
Step 3
3
1. Disconnect the transfer connector (A–1).
Is there the continuity between the connector (C–37) terminal 23
and the connector (A–1) terminal 5, the connector (C–38) terminal
12 and connector (A–1) terminal 1, and the connector (C–38)
terminal 13 and connector (A–1) terminal 9?
Replace the rear
speed sensor.
Go to
Step 7
Repair the circuit.
Go to
Step 7
4
Is the memory DTC 14(P1731)?
Go to
Step 5
Refer to
other
trouble cheek
flow.
5
Is there the continuity between harnesses of terminal 32 and 45
(vehicle side terminal of the front and rear speed sensor)?
Go to
Step 6
Repair the circuit
Go to
Step 7
6
Is there the continuity between harnesses of terminal 12 and 13
(vehicle side terminal of the speed sensor COM(–) and ref)?
Replace front and
rear speed
sensor.
Go to
Step 7
Repair the circuit.
Go to
Step 7
7
1. Check that all the parts are mounted.
2. Clear the trouble code.
Is the step complete?
Verify the repair
Return to
Step 7
4B2–41
DRIVE LINE CONTROL SYSTEM (TOD)
Check flow
Trouble code
Phenomenon
Standard
4
16
The front speed sensor no pulse.
Hi level : 4.5
∼
6.0 V
Lo level : 0.7
∼
2.0 V
P1737
Frequency (F) =
700-850 Hz (at 50 km/h or 31 mph)
NOTE: Find the trouble in which the pulse corresponding
to the running speed is not input.
D04R200005
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