Table of Contents
Advertisement
5A–6
BRAKE CONTROL SYSTEM
3. Slowly brake and stop the vehicle completely.
4. Then restart the vehicle and accelerate to about 40
km/h (25 mph) or more.
5. Brake at a time so as to actuate the ABS and stop the
vehicle.
6. Be cautious of abnormality during the test. If the W/L
is actuated while driving, read the DTC and locate the
fault.
7. If the abnormality is not reproduced by the test, make
best efforts to reproduce the situation reported by the
customer.
8. If the abnormality has been detected, repair in
accordance with the "SYMPTOM DIAGNOSIS" .
NOTE:
D Be sure to give a test drive on a wide, even road with
little traffic.
D If an abnormality is detected, be sure to suspend the
test and start trouble diagnosis at once.
"ABS" Warning Light
When ABS trouble occurs and actuates when possible
the "ABS" warning light, the trouble code corresponding
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.
Dose repeat trouble?
4
Check if the DTC is stored.
Is EHCU including DTC?
5
1. Reconnect all components and ensure all component are
properly mounted.
2. Clear diagnostic trouble code.
Was this step finished?
to the trouble is stored in the EHCU. Only the ordinary
brake system is available when the ABS is turned off.
When the "ABS" warning light is actuated, if the starter
switch is set ON after setting it OFF once, the EHCU
checks up on the entire system and, if there is no
abnormality, judges ABS to work currently and the
warning light works normally even though the trouble
code is stored.
NOTE: Illumination of the "ABS" warning light indicates
that anti-lock braking is no longer available. Power
assisted braking without anti-lock control is still available.
Normal Operation
"ABS" Warning Light
When the ignition is first moved from "OFF" to "ON" , the
amber "ABS" warning light will turn "ON" . The "ABS"
warning light will turn "ON" during engine starting and will
usually stay "ON" for approximately three seconds after
the ignition switch is returned to the "ON" position. The
warning light should remain "OFF" at all other times.
Action
Yes
Go to Step 2
Go to Step 4
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
symptom (Refer
to "SYMPTOM
DIAGNOSIS") Go
Go to Step 3
Finished
Go to Step 5
No
based on
to Step 3
Advertisement
Chapters
Table of Contents
Troubleshooting
