Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 751

35B-4
SPECIAL TOOLS
Tool
TROUBLESHOOTING
STANDARD FLOW OF DIAGNOSTIC TROUBLESHOOTING
Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points.
NOTES WITH REGARD TO DIAGNOSIS
1. The phenomena listed in the following table are not abnormal.
Phenomenon
System check sound
ABS operation sound
System check sound
2. For road surfaces such as snow-covered roads and gravel roads, the braking distance for vehicles
with ABS can sometimes be longer than that for other vehicles. Accordingly, advise the customer
to drive safely on such roads by lowering the vehicle speed and not being too overconfident.
3. Diagnosis detection condition can vary depending on the diagnosis code.
Make sure that checking requirements listed in the "Comment" are satisfied when checking the trouble
symptom again.
ABS <4WD> -
Special Tools/Troubleshooting
Number Name
MB991502 MUT-II sub
assembly
MB991529 Diagnosis code
check harness
MB991348 Test harness set
Explanation of phenomenon
When starting the engine, a thudding sound can sometimes be heard coming from inside
the engine compartment, but this is because the system operation check is being
performed, and is not an abnormality.
1. Sound of the motor inside the ABS hydraulic unit operation. (whine)
2. Sound is the generated along with vibration of the brake pedal. (scraping)
3. When ABS operates, sound is generated from the vehicle chassis due to repeated
brake application and release.
(Thump: suspension; squeak: tyres)
When depressing the brake pedal during driving, a shock is sometime felt.
Use
For checking of ABS
(Diagnosis code display when using the
MUT-II)
For checking of ABS
(Diagnosis code display when using the ABS
warning lamp)
For checking of G sensor