Inspection Procedure
- CHECK MULTIPLEX COMMUNICATION SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING .
If the multiplex communication system is operating normally, proceed to the next step.
- PERFORM ACTIVE TEST BY TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Combination Meter / Active Test.
- Check the operation.
Combination Meter:
DIAGNOSTIC NOTETester Display Test Part Control Range Diagnostic Note Indicat. AFS AFS OFF indicator light ON / OFF - OK:
AFS OFF indicator comes on.
OK: Go to Next Step
- READ VALUE OF TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Turn the clearance sonar main switch on.
- Enter the following menus: Body Electrical / AFS / Data List.
- Read the display on the Techstream.
AFS (AFS ECU):
DIAGNOSTIC NOTETester Display Measurement Item/Range Normal Condition Diagnostic Note AFS OFF Switch AFS setting / ON or OFF ON: AFS OFF
OFF: AFS ON- OK:
Normal conditions listed above are displayed.
OK: REPLACE AFS ECU
NG: Go to Next Step
- CHECK SATELLITE SWITCH
- Check the operation speed of the satellite switch and the tach indicator system.
OK:
Tach indicator system operates normally.
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- Check the operation speed of the satellite switch and the tach indicator system.