AFS OFF Switch Circuit

LIGHTING: 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 performing troubleshooting on 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 OFF indicator comes on.
NG -- GO TO COMBINATION METER SYSTEM
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.
OK -- REPLACE AFS ECU
NG -- Continue to next step.
4. CHECK SATELLITE SWITCH
(a) Check the operation speed of the satellite switch and the tach indicator system.
OK:
Tach indicator system operates normally.
NG -- GO TO COMBINATION METER SYSTEM
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE