Table of Contents
Advertisement
3-2 [T6QO]
AUTOMATIC TRANSMISSION AND DIFFERENTIAL
Q: A1 MODE - LED NO. 7, MANUAL SWITCH -
CONTENT OF DIAGNOSIS :
LED does not come on when manual switch is ON .
Manual switch circuit is open or shorted .
TROUBLE SYMPTOM :
" Tight corner "braking"
2nd and 3rd gears not held
" Failure of vehicle to start in 2nd range 2nd gear
Probable cause (if outside "specified data")
OK
1 Measure signal voltage input of TCU .
Repair TCU terminal poor contact .
j Not OK
2 Check harness/connector between TCU and man-
Not OK
Repair harness/connector .
ual switch.
OK
Not OK
3 Check manual switch ground line .
00
Repair ground line.
OK
Not OK
4 Check manual switch.
Replace manual switch.
~r OK
Repair TCU terminal poor contact .
BY
Ignition
W
B7<
switch
rB
No . 15
W
MANU
rri B~~
R
r,ci RW
R W r-r-
a :
I 6
b :
i7
meter
SB5A4
F17
B72
B43
1 ~A
038
841
Combination
B
TCU
r
Br
B99
a :
i6
b :0
swhtch
R51
tttj
_
B66
1
8 16
1
7
15
6
4
6
4
5
1
4
4
2
10
2
10
91
B66 (B I ac k)
B99
1
9
1
F91
1 1 12131 4 4
67812345
678910
1 2 3 4
1 11 1 1 21 131 14 1 1 51 1 171 f_ 8 1 41 1
1112131415161718192021
C3-176
Fig . 301
214
Advertisement
Table of Contents
Troubleshooting
