ABS <4WD> ± Troubleshooting
35B-6
ABS WARNING LAMP INSPECTION
Check that the ABS warning lamp illuminates as follows.
1. When the ignition key is turned to ªONº, the ABS warning
lamp illuminates for approximately 3 seconds and then
switches off.
2. When the ignition key is turned to ªSTARTº, the ABS
warning lamp remains illuminated.
3. When the ignition key is turned from ªSTARTº back to
ªONº, the ABS warning lamp illuminates for approximately
3 seconds and then switches off.
NOTE
The ABS warning lamp may remain on until the vehicle
reaches a speed of several km/h. This is limited to cases
where diagnosis code Nos.21 to 24, 53 or 55 have been
recorded because of a previous problem occurring. In
this case, the ABS-ECU keeps the warning lamp
illuminated until the problem corresponding to that
diagnosis code can be detected.
4. If the illumination is other than the above, check the
diagnosis codes.
DIAGNOSIS FUNCTION
READING DIAGNOSIS CODES
Read a diagnosis code by the MUT-II or ABS warning lamp.
(Refer to GROUP 00 ± How to Use Troubleshooting/Inspection
Service Points.)
NOTE
Connect the MUT-II to the diagnosis connector (16-pin).
ERASING DIAGNOSIS CODES
When using the MUT-II
Connect the MUT-II to the diagnosis connector (16-pin) and
erase the diagnosis code.
Caution
Turn the ignition key to the LOCK (OFF) position before
connecting or disconnecting the MUT-II.
Not illumi-
nated
ABS
warn-
ing
lamp
Illuminated
Approx. 3 s
Approx. 3 s
Ignition
switch
START
ON
ACC,
LOCK
ABS warning lamp
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