Wheel Speed Sensor System - Mitsubishi PAJERO Workshop Manual

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Code No. 15 Wheel speed sensor system (output signal
abnormality)
This malfunction code is output when any one of the wheel speed sensor output
signals during driving is abnormal (except open and short circuit).
Are the tyres on all four wheels of identical size?
Check the trouble symptoms.
Wheel speed sensor installation check
Wheel speed sensor output voltage check (Refer to P.35B-27.)
Check the following connector: E-106
OK
Check the trouble
symptoms.
NG
Replace the ABS- ECU.
ABS <4WD> -
YES
NG
OK
OK
NG
Repair
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Troubleshooting
Probable cause
D Uneven tyre size for all four wheels
D Incorrect wheel speed sensor installation
D Malfunction of wheel speed sensor
D Malfunction of harness or connector
D Malfunction of ABS rotor
D Malfunction of wheel bearing
D Malfunction of the ABS-ECU
NO
Fit tyres which are of identical size.
NG
Repair
NG
Wheel speed sensor check (Refer to P.35B-34.)
OK
Check the ABS rotor (Refer to P.35B-33).
OK
Wheel bearing check
(Refer to GROUP 26, 27 - On-vehicles Service.
NG
Check the harness wire, and repair if necessary.
D Between each wheel speed sensor and ABS-ECU
35B-9
NG
Replace
NG
Replace