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Chapter 9 CAN Bus Diagnosis
9-1. Diagnosing the CAN Bus
< CAUTION >
•
When you execute CAN Bus diagnosis, use MUT-III main harness A.
•
When you execute CAN Bus diagnosis, halt the vehicle.
•
Calibrate ohmmeter to 0 point periodically for proper diagnosis. (refer to 11-2-2.)
9-1-1. CAN Bus Diagnosis
(1) Start Screen
Select
CAN Bus Diagnosis
button on the Start Menu
screen (illustrated on 3-3-1(2)).
Verify that the registered vehicle displayed on the screen
and the vehicle you wish to diagnose are the same. Press
the button. --to (3)
If the vehicles are not the same, press the button and
enter the correct vehicle information. --to (2)
(2) Vehicle Selection Screen
Select the vehicle you wish to diagnose, and press the
button to return to screen (1).
Note:
VIN number is compulsory for this diagnosis.
(3) Equipping System Setup
Put a check mark if the equipment is existence, and press
the button.
Note:
mark will be displayed, if you move cursor onto a check
box and click it. (Selection)
mark will be eliminated, if you click again.
(Selection release)
(4) CAN Bus Diagnosis
Pressing the button starts the CAN bus diagnostic
process. The results of the diagnosis are reflected on the
configuration screen. (Error locations are indicated in red.)
--Displays the data of the Service manual pertaining to
the error locations. (Not Available in US, Australia)
Diagnosing the CAN Bus