13E-20
1. Diagnostic Procedure
• The system can be efficiently inspected for faults using Up-Time 2.41 or later software or a Multi-Use Tester-III.
System inspection can be accomplished basically in two ways according to trouble symptom and diagnostic code
as shown below.
• Check against each diagnostic code stored in memory by the electronic control unit
• Response to transient fault
Vehicle in service shop
Read diagnostic code. (See Gr00.)
Check against each diagnos-
tic code
Fault code output
Normal code output
Normal code output
after cleared
Response to transient fault (See Gr00.)
Start the engine.
After starting the engine, check for diagnostic code and warning lamp lighting. If diagnostic code is issued
and warning lamp is lit, check fault again.
Clear stored diagnostic code. (See Gr00.)
Warning lamp lit
Clear stored diagnostic code. (See Gr00.)
TROUBLESHOOTING
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