Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 120

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–98

Chart G

The trouble codes are displayed.

Function of circuit

—

Fail condition

Indicator lamp state

TOD switch position

—

D04R200009

4B2–99

DRIVE LINE CONTROL SYSTEM (TOD)

Step

Action

Yes

No

1

Disconnect the ECU connector from ECU.

Is there the continuity established between terminals (C–37)7 and
(C–37)25?

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

Open the

self-diagnostic

connector.

 Go to 

Step 3

3

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

Is this step complete?

Verify the repair.

Go to 

Step 3

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–100

Chart H

Lighting switch circuit

Function of circuit

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

Fail condition

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

Indicator lamp state

TOD switch position

All position (exsample TOD mode)

D04R200009

4B2–101

DRIVE LINE CONTROL SYSTEM (TOD)

Step

Action

Yes

No

1

1. Turn on the starter switch.
2. Turn off the lighting switch.

Is 0V observed between the EUC terminal 40 and 47?

Go to 

Step 2

Lighting switch

battery circuit

short. Repair the

circuit.

Go to 

Step 4

2

Turn lighting switch “ON”.

Is the battery voltage observed between ECU terminal 40 and 47?

Go to 

Step 3

Wires are broken

in lighting switch

circuit. Repair the

circuit.

Go to 

Step 4

3

While the lighting switch is pressed on and off, does the
brightness of the indicator change?

The phenomenon

is not

reproduced.

Refer to

“Troubles

intermittently

observed”

The ECU has

failed. Replace

the ECU.

Go to 

Step 4

4

Check that all the parts are mounted.

Is this step complete?

Verify the repair.

Go to 

Step 4