1997 SUBARU LEGACY obd

OBD0527
CQ: DTC P1500
—RADIATOR FAN RELAY 1 CIRCUIT LOW
INPUT—
WIRING DIAGRAM:
B2M1296
NOTE:
Check radiator fan relay 1 circuit.

544
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic Chart with Trouble Code for RHD Vehicles

OBD0538
CR: DTC P1502
—RADIATOR FAN FUNCTION PROBLEM—
WIRING DIAGRAM:
B2M1297
NOTE:
Check radiator fan control system.

545
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic Chart with Trouble Code for RHD Vehicles

OBD0501
CV: DTC P1700
—THROTTLE POSITION SENSOR CIRCUIT
MALFUNCTION—
WIRING DIAGRAM:
B2M0613
NOTE:
Check throttle position sensor circuit for automatic trans-
mission.

549
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic Chart with Trouble Code for RHD Vehicles

B2M0669
CW: DTC P1701
—CRUISE CONTROL SET SIGNAL CIRCUIT
MALFUNCTION—
WIRING DIAGRAM:
OBD0512
NOTE:
Check cruise control set signal circuit.

550
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic Chart with Trouble Code for RHD Vehicles

3. Electrical Components Location
1. SENSOR AND CONTROL MODULE
B3M0637A
B3M0638A
1Throttle position sensor

2Dropping resistor

3Vehicle speed sensor 2

4Inhibitor switch

5ECM

6Vehicle speed sensor 1 (AWD)

7Vehicle speed sensor 1 (FWD)

8TCM
9Data link connector (for Subaru select monitor only)

10Data link connector (for Subaru select monitor and OBD-II
general scan tool)

11Diagnosis connector

12Diagnosis terminal

13AT OIL TEMP indicator light
(AT diagnostic indicator light)
4
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
3. Electrical Components Location

B2M0155AOBD0046A
B2M0211A
B3M0182C
B3M0183AB2M1043C
B3M0184AB3M0185A
5
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
3. Electrical Components Location

B3M0443GB3M0445C
OBD0005COBD0006A
H3M1161AOBD0008D
6
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
3. Electrical Components Location

5. Transmission Control Module (TCM)
I/O Signal
OBD0093A
Check with ignition switch ON.
ContentConnector
No.Terminal
No.Measuring conditions Voltage (V)
Back-up power supply B56 14 Ignition switch OFF 10—16
Ignition power supplyB54 6
Ignition switch ON (with engine OFF) 10—16
B55 1
Inhibitor switch“P”range switch B56 9Select lever in“P”range Less than 1
Select lever in any other than“P”
range (except“N”range)More than 8
“N”range switch B56 8Select lever in“N”range Less than 1
Select lever in any other than“N”
range (except“P”range)More than 8
“R”range switch B56 10Select lever in“R”range Less than 1
Select lever in any other than“R”
rangeMore than 6
“D”range switch B54 1Select lever in“D”range Less than 1
Select lever in any other than“D”
rangeMore than 6
“3”range switch B54 2Select lever in“3”range Less than 1
Select lever in any other than“3”
rangeMore than 6
“2”range switch B54 3Select lever in“2”range Less than 1
Select lever in any other than“2”
rangeMore than 6
“1”range switch B54 4Select lever in“1”range Less than 1
Select lever in any other than“1”
rangeMore than 6
Diagnosis switch B56 6Diagnosis connector connected Less than 1
Diagnosis connector disconnected More than 6
Brake switch B56 7Brake pedal depressed. More than 10.5
Brake pedal released. Less than 1
ABS signal B56 5ABS switch ON Less than 1
ABS switch OFF More than 6.5
AT diagnostic signal B55 12Ignition switch ON (With engine OFF) Less than 1
Ignition switch ON (With engine ON) More than 10
9
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
5. Transmission Control Module (TCM) I/O Signal