Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 640

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–80

Step

No

Yes

Action

16

When the transfer lever is shifted to the 4L position, is 0V
observed on each VSV?

Go to Step 17

Repair the circuit

or replace the

VSV.

Go to Step 19

17

Is the vacuum pressure supplied to the VSV?

Go to Step 18

Repair the

vacuum system.

Go to Step 19

18

Can the single AXLE switch enable and disable the continuity?

Repair the shift

on the fly system

(refer to

“Driveline Control

System”).

Go to Step 19

Replace the

AXLE switch

(refer to

“Driveline Control

System”).

Go to Step 19

19

Check that all the parts are mounted.

Is this step complete?

Repeat the

“Diagnosis Flow”.

Return to Step 19

4B2–81

DRIVE LINE CONTROL SYSTEM (TOD)

Chart G

The trouble codes are displayed.

Function of circuit

—

Fail condition

Indicator lamp status

Transfer lever position

—

4WD Auto Switch

—

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–82

D04RY00009

Step

Action

Yes

No

1

Disconnect the ECU connector from ECU.

Is the continuity established between terminals (B–48)7 and
(B–48)24?

Go to Step 2

The ECU has

failed. Replace

the ECU.

 Go to Step 3

2

Is the self-diagnostic connector short-circuited?

Go to Step 3

Repair the

self-diagnostic

connector circuit.

 Go to Step 3

3

1. Check that all the parts are mounted.
2. Clear the trouble codes.

Is this step complete?

Repeat the

“Diagnosis Flow”.

Repeat to Step 3

4B2–83

DRIVE LINE CONTROL SYSTEM (TOD)

Chart H

lighting switch circuit

Function of circuit

Reads in the status of lighting switch, reducing the indicator at night.

Fail condition

Even if the lighting switch is pressed on and off, brightness does not change.

Indicator lamp status

Transfer lever position

All position (exsample TOD mode)

4WD Auto Switch

D04RY00009