Basic Diagnostic Flow Chart - Isuzu 1999 RODEO Workshop Manual

BRAKE CONTROL SYSTEM
5A–22

Basic Diagnostic Flow Chart

Step
1 1. Customer complaint.
2. Questioning to customer.
3. Basic inspection (Refer to "Basic inspection procedure")
Using TECH 2?
2 Make sure of DTC by mode "F0: Diagnostic Trouble Codes".
Is EHCU including DTC?
3 1. Repair of faulty part.
2. Elimination of DTC.
3. Inspection of "ABS" W/L Illumination pattern with ignition SW
"ON".
4. Test drive.
Does trouble repeat?
4 Check if the DTC is stored or not.
Is EHCU including DTC?
5 1. Reconnect all components. Ensure all component are
properly mounted.
2. Clear diagnostic trouble code.
Was this step finished?
Action
Yes
Go to Step 2 Go to Step 4
Clear code and
check for
repeatability.
Go to Step 3 Go to Step 5
Repeat the
diagnosis it the
symptom or DTC
appears again
Go to Step 1
Go to Step 5
Trouble diagnosis
based on
Clear code and symptom (Refer
check for to "SYMPTOM
repeatability DIAGNOSIS")
Go to Step 3 Go to Step 3
Finished Go to Step 5
F05RX006
No