AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-26
22
Input shaft
speed sensor
system
(
P.23A-69
).
23
Output shaft
speed sensor
system
(
P.23A-90
).
8
Use the scan
tool MB991958
(MUT-III sub
assembly) to
stop the
INVECS-II
function
Transmission
range: D (on a
flat and straight
road)
(1) Accelerate from
1st gear to 4th gear.
(2) While driving at
60 km/h (37 mph) in
4th gear, downshift to
3rd gear
(3) While driving at
40 km/h (25 mph) in
3rd gear, downshift to
2nd gear
(4) While driving at
20 km/h (12 mph) in
2nd gear, downshift
to 1st gear
Data list No.63
(1) 1st
→ 2nd → 3rd
→ 4th
(2) 4th
→ 3rd
(3) 3rd
→ 2nd
(4) 2nd
→ 1st
Does not
shift from 1
to 2 or 2 to
1
31
Low-reverse
solenoid valve
system
(
P.23A-187
).
33
Second
solenoid valve
system
(
P.23A-211
).
41
1st gear
incorrect ratio
(
P.23A-245
).
42
2nd gear
incorrect ratio
(
P.23A-245
).
Does not
shift from 2
to 3 or 3 to
2
33
Second
solenoid valve
system
(
P.23A-211
).
34
Overdrive
solenoid valve
system
(
P.23A-222
).
42
2nd gear
incorrect ratio
(
P.23A-245
).
43
3rd gear
incorrect ratio
(
P.23A-245
).
STEP
CONDITION
BEFORE
TEST/OPERATION
TEST/OPERATION
STANDARD
INSPECTION
ITEM
DTC
INSPECTION
PROCEDURE
PAGE