Operation CHARM: Car repair manuals for everyone.

Computer Functional Testing

Computer, Functional Testing:





Computer, functional testing

Test preparation
^ Fuse S12 OK
^ Fuse S4 OK


Note

It is possible to check the condition of the computer components by selecting the individual functions in the specified sequence.

If defective components are found, check the wiring to these components using the current flow diagram.

Always perform complete test procedure for functional testing.

Time display, checking

- switch ignition ON
- push time display button
^ display - time of day

If time of day is not displayed, - check function switch
- repeat test

If time is not displayed, - check 10-point connector
- repeat test

If time is not displayed, - check computer
- repeat test

If time is not displayed, - check computer control unit

If necessary, - replace computer control unit