Opel Frontera UBS. Service manual — part 2537
![](/vehicle/goneen/quin/cui/jusedantl.png)
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–11
OPERATION OF CLUTCH, BRAKE AND ONE-WAY CLUTCH
❍
:Operating
:Free at coast down
:Operating at Lock-up
(1*): Down-shift only in the L range and 2nd
gear - no up-shift.
(2*): Down-shift only in the L range and 3rd gear - no up-shift.
SPEED CHANGE AND LOCK-UP PATTERN
If you select a speed range and a lock-up pattern as shown below by specifying respective positions of transmission
shift lever, transfer shift lever and pattern select switch, the transmission control computer controls speed change and
lock-up operations based on the specified pattern in accordance with the degree of throttle opening and vehicle speed.
¨
: The lock-up operation is available.
( ): Transmission is shifted at high speed to prevent overrun.
Shift lever
position
Gear position
C-0
C-1
C-2
B-0
B-1
B-2
B-3
F-0
F-1
F-2
S-1
S-2
S-3
P
Parking
❍
❍
R
Reverse
❍
❍
❍
❍
❍
N
Neutral
❍
❍
D
1st
❍
❍
❍
❍
2nd
❍
❍
❍
❍
❍
❍
3rd
❍
❍
❍
❍
❍
❍
O/D
❍
❍
❍
❍
2
1st
❍
❍
❍
❍
2nd
❍
❍
❍
❍
❍
❍
❍
❍
3rd
❍
❍
❍
❍
❍
❍
L
1st
❍
❍
❍
❍
❍
❍
(1*) 2nd
❍
❍
❍
❍
❍
❍
❍
❍
(2*) 3rd
❍
❍
❍
❍
❍
❍
Pattern select sw.
position
Transmission shift position
D
2
L
Overdrive OFF switch
OFF
Overdrive OFF switch
ON
NORMAL
POWER
1st
⇔
2nd
⇔
⇔
1st
⇔
2nd
⇔
⇐
1st
⇔
2nd
⇔
(3rd)
1st
⇐
(2nd)
⇐
(3rd)
WINTER
3rd fixed
─
─
![](/vehicle/goneen/quin/cui/nentor.png)
7A–12
AUTOMATIC TRANSMISSION (AW30-40LE)
OVERDRIVE AND LOCK-UP OPERATING CONDITIONS
The overdrive and lock-up clutch operate if the following conditions are satisfied.
(1*):
If transmission oil temperature is more than 130
°
C, lock-up is inhibit.
Overdrive
Lock-up clutch
Transmission shift position
D range
⇐
(1*)
O/D OFF switch
OFF (O/D OFF lamp OFF)
—
Stop lamp switch
—
OFF
Throttle opening
—
Except fully closed
Vehicle speed
About 49 km/h or more
3rd: About 50 km/h or more
O/D: About 65 km/h or more
![](/vehicle/goneen/quin/cui/xxe.png)
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–13
DIAGNOSIS
BASIC TROUBLESHOOTING
AW30-40LE transmission, called Electronic Controlled Transmission (ECT), differs from oil pressure control type
transmissions in that it is controlled by a microcomputer. Accordingly, its troubleshooting procedure differs also.
Before troubleshooting an ECT, first determine whether the problem is electrical or mechanical. To do this, just refer to
the basic troubleshooting flowchart provided below. If the cause is already known, using the basic troubleshooting
chart below along with the general troubleshooting chart on the following page should speed the procedure.
![](/vehicle/goneen/quin/cui/inacort.png)
7A–14
AUTOMATIC TRANSMISSION (AW30-40LE)
821RY00012
F07LV002
740RY00013
740RY00014
SELF-DIAGNOSIS
Warning to the driver
• When trouble has occurred to throttle position sensor, output
revolution sensor, input revolution sensor, neutral start
switch, engine revolution signal, speed meter signal, or
solenoids, "CHECK TRANS" lamp is blinked (1.25 Hz) even
during driving to warn the driver.
• The trouble is recorded by trouble code in TCM.
• When temporary trouble has been shooted, the "CHECK
TRANS" lamp stops blinking. This blinking can be stopped
by setting the ignition key off. But the trouble code remains
memorized in TCM.
Self-diagnosis code (Flashing code) display
• For quick search for faulty parts, 12 different items of trouble
code are indicated by "CHECK TRANS" lamp blinking.
• The storaged trouble codes can be identified by shorting the
terminals No. 11 and No. 4 or 5 (ground) of data link
connector with a lead wire.
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