
REAR AXLE –
Special Tools / Troubleshooting <AYC>
27-4
MB990925
Brass bar
Bar (one-touch type)
Toolbox
Installer adapter
Tool number (MB990925)
O.D. mm
Tool number (MB990925)
O.D. mm
A
MB990926
39.0
A
MB990933
63.5
MB990927
45.0
MB990934
67.5
MB990928
49.5
MB990935
71.5
MB990929
51.0
MB990936
75.5
MB990930
54.0
MB990937
79.0
MB990931
57.0
B
MB990938
–
MB990932
61.0
C
MB990939
–
TROUBLESHOOTING <AYC>
BASIC TROUBLESHOOTING CONDITIONS
Refer to Group 00 – How to Use Troubleshooting / Inspection Service Points.
NOTE
Before starting the troubleshooting procedure, make sure that the following items have been checked
okay.
D
The correct steering wheel has been properly installed in the neutral position of the steering column
shaft.
D
Tire and wheel sizes are correct with correct specifications. Inflation pressure, balance, and wear
conditions are okay.
D
Wheel alignment is correct.
D
The engine, suspension, and other parts have not been remodeled so as to affect the AYC system.
DIAGNOSIS FUNCTION
READING THE DIAGNOSIS CODE
Read the diagnosis code using an MUT-
II
tester or the AYC warning lamp.
(Refer to Group 00 – How to Use Troubleshooting / Inspection Service Points.)
ERASING THE DIAGNOSIS CODE
Refer to Group 00 – How to Use Troubleshooting / Inspection Service Points.