AFS OFF Switch Circuit

LIGHTING (EXT): LIGHTING SYSTEM: AFS OFF Switch Circuit
- AFS OFF Switch Circuit

DESCRIPTION

The AFS OFF switch uses the multiplex communication system. First make sure that the multiplex communication system is functioning normally before troubleshooting the AFS OFF switch.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK MULTIPLEX COMMUNICATION SYSTEM

Refer to How to Proceed with Troubleshooting How To Proceed With Troubleshooting.

If the multiplex communication system is operating normally, proceed to the next step.

NEXT -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.

(e) Check the operation.

Combination Meter





OK:

AFS ON/OFF indicator comes on.

NG -- GO TO COMBINATION METER SYSTEM Problem Symptoms Table
OK -- Continue to next step.

3. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Turn the clearance sonar main switch on.

(e) Enter the following menus: Body Electrical / AFS / Data List.

(f) Read the display on the Techstream.

AFS (AFS ECU)





OK:

Normal conditions listed above are displayed.

NG -- CHECK SATELLITE SWITCH

OK -- REPLACE AFS ECU Components

4. CHECK SATELLITE SWITCH

(a) By using the satellite switch (RH switch, ON/OFF switch, LH switch), check the AFS ON/OFF indicator comes on Description and Operation.

OK:

AFS ON/OFF indicator comes on.

NG -- GO TO COMBINATION METER SYSTEM Problem Symptoms Table

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Exterior Lighting System