Subaru SVX 1992 Manual page 465

AUTOMATIC TRANSMISSION AND DIFFERENTIAL
(M2400) 3- 2
3. TROUBLE CODE
TROUBLE
CODE
ITEM
11 Duty solenoid A
12 Duty solenoid B
13 Shift solenoid 3
14 Shift solenoid 2
15 Shift solenoid 1
21
ATF temperature sensor
22 Atmospheric sensor
23 Engine revolution signal
24 Duty solenoid C
25 Engine torque control signal
31
Throttle sensor
32 Vehicle speed sensor 1
33 Vehicle speed sensor 2
4. SELECT MONITOR
Various data and ON/OFF signals being processed in
the TCLI can be monitored by connecting the select
monitor to the select monitor terminal located under the
instrument panel . The trouble codes of the present and
past problems can be indicated using a particular code .
Function Mode
Function
mode
Description Abbrev . Unit
01 Source voltage VB V
02 Rear wheel speed VSP 1 m/h
03
Rear wheel speed VSP 1 km/h
04 Front wheel speed VSP 2 m/h
05 Front wheel speed VSP 2 km/h
06 Engine rpm EREV rpm
07 ATF temperature ATFT °F
08 ATF temperature ATFT °C
09 Throttle opening THSEN V
10 Gear position GEAR GEAR
11 Line pressure duty PLDTY
12 Lock-up duty LUDTY
13 AWD duty 4WDTY %
14 1 Atmospheric pressure sensor BAROY mmHg l
24. Fail-safe Function
A fail-safe function is provided to maintain driveability
even if trouble should occur in the vehicle speed sen-
sor, throttle sensor, inhibitor switch, or any of the
solenoids .
1) Vehicle speed sensor
A dual speed-sensing system is used . The speed signal
is taken from the transmission (output shaft revolution
sensor) and also from a sensor built into the speedom-
eter. Even if one sensor system fails, the vehicle can be
controlled normally with the other sensor system .
2) Throttle sensor
If throttle sensor becomes faulty, throttle will be set to
the predetermined position .
3) Inhibitor switch
If two signals are inputted due to inhibitor switch failure,
the vehicle can be driven under the following priority .
D)N(P)R321
4) Shift sol . 1 and 2
If trouble occurs in either of solenoids 1 and 2, both
solenoids are turned OFF, and the vehicle is made
driveable in the 3rd range .
If both solenoids should fail, the mechanical hydraulic
circuit is used .
5) Shift sol . 3 (Overrunning clutch)
If the overrunning clutch solenoid fails, the solenoid is
turned OFF . The overrunning clutch will engage so that
the engine brake will be applied when reducing vehicle
speed .
6) Duty sol . A (Line pressure)
If duty solenoid A fails, the solenoid is turned OFF and
line pressure is raised to maximum to enable vehicle
operation.
7) Duty sol . B (Lock-up)
If duty solenoid B fails, the solenoid is turned OFF and
lock- up is released .
8) Duty sol . C (Transfer)
When the duty solenoid C becomes inoperative, it turns
OFF . This causes maximum oil pressure to be applied to
the transfer clutch so that the power is always transmit-
ted to rear axles . (Direct-coupling AWD)
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