2004 SUBARU FORESTER Service Repair Manual

navigation update clock setting alternator belt interior lights bluetooth maintenance reset

Page 2489 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-30
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Power Indicator Light Display
2. CHECK POWER SUPPLY AND GROUND LINE
WIRING DIAGRAM:
AT-00572
B40B11
F45
B54 A:B56
B11
T4
B40
DATA LINK
CONNECTOR
TCM C:

Page 2490 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-31
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Power Indicator Light Display
Step Check Yes No
1 CHECK BATTERY TERMINAL.
Turn the ignition switch to OFF.Is there poor contact at battery
terminal?Re

4AT(H4SO)-31
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Power Indicator Light Display
Step Check Yes No
1 CHECK BATTERY TERMINAL.
Turn the ignition switch to OFF.Is there poor contact at battery
terminal?Repair or tighten
the battery termi-
nal.Go to step 2.
2 CHECK POWER SUPPLY OF TCM.
1) Disconnect the connector from TCM.
2) Turn the ignition switch to ON.
3) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B56) No. 1 (+) — Chassis ground (
−):Is the voltage 10 — 13 V? Go to step 4.Go to step 3.
3 CHECK FUSE (NO. 4).
Remove the fuse (No. 4).Is the fuse (No. 4) blown out? Replace the fuse
(No. 4). If replaced
fuse (No. 4) has
blown out easily,
repair short circuit
in harness
between fuse (No.
4) and TCM.Repair the open
circuit in harness
between fuse (No.
4) and TCM, or
fuse (No. 4) and
battery, and poor
contact in cou-
pling connector.
4 CHECK IGNITION POWER SUPPLY CIR-
CUIT.
1) Turn the ignition switch to ON (engine
OFF).
2) Measure the ignition power supply voltage
between TCM connector and chassis ground.
Connector & terminal
(B54) No. 23 (+) — Chassis ground (–):
(B54) No. 24 (+) — Chassis ground (–):Is the voltage 10 — 13 V? Go to step 6.Go to step 5.
5 CHECK FUSE (NO. 11).
Remove the fuse (No. 11).Is the fuse (No. 11) blown out? Replace the fuse
(No. 11). If
replaced fuse (No.
11) has blown out
easily, repair short
circuit in harness
between fuse (No.
11) and TCM.Repair the open
circuit in harness
between fuse (No.
11) and TCM, or
fuse (No. 11) and
battery, and poor
contact in cou-
pling connector.
6 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM and
transmission.
3) Measure the resistance of harness
between TCM and transmission connector.
Connector & terminal
(B56) No. 19 — (B11) No. 16:
(B54) No. 21 — (B11) No. 16:Is the resistance less than 1
Ω?Go to step 7.Repair the open
circuit in harness
between TCM,
transmission har-
ness connector,
and poor contact
in coupling con-
nector.
7 CHECK HARNESS CONNECTOR BETWEEN
TRANSMISSION AND TRANSMISSION
GROUND.
Measure the resistance of harness between
transmission and transmission ground.
Connector & terminal
(T4) No. 16 — Transmission ground:Is the resistance less than 1
Ω?Go to step 8.Repair the open
circuit in harness
between transmis-
sion and transmis-
sion ground.
8 CHECK POOR CONTACT IN CONNECTORS.Is there poor contact in control
module power supply, ground
line and data link connector?Repair the con-
nector.Replace the TCM.
Transmission Con-
trol Module
(TCM).>

Page 2491 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-32
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure for Subaru Select Monitor Communication
11.Diagnostic Procedure for Subaru Select Monitor Communication
A: COMMUNICATION FOR INITI

Page 2492 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-33
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure for Subaru Select Monitor Communication
Step Check Yes No
1 CHECK SUBARU SELECT MONITOR POW-
ER SUPPLY CIRCUIT.
Measure the voltag

4AT(H4SO)-33
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure for Subaru Select Monitor Communication
Step Check Yes No
1 CHECK SUBARU SELECT MONITOR POW-
ER SUPPLY CIRCUIT.
Measure the voltage between data link con-
nector and chassis ground.
Connector & terminal
(B40) No. 1 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2.Repair the har-
ness and connec-
tor between battery
and data link con-
nector, and poor
contact in coupling
connector.
2 CHECK SUBARU SELECT MONITOR
GROUND CIRCUIT.
Measure the resistance of harness between
data link connector and chassis ground.
Connector & terminal
(B40) No. 12 — Chassis ground:
(B40) No. 13 — Chassis ground:Is the resistance less than 1
Ω?Go to step 3.Repair the open
circuit in harness
between data link
connector and
ground terminal,
and poor contact
in coupling con-
nector.
3 CHECK COMMUNICATION OF SELECT
MONITOR.
1) Turn the ignition switch to ON.
2) Using the Subaru Select Monitor, check
whether communication to engine systems can
be executed normally.Are the contents of engine sys-
tem displayed on Subaru
Select Monitor?Go to step 8.Go to step 4.
4 CHECK COMMUNICATION OF SELECT
MONITOR.
1) Turn the ignition switch to OFF.
2) Disconnect the TCM connector.
3) Check whether communication to engine
systems can be executed normally.Are the contents of engine sys-
tem displayed on Subaru
Select Monitor?Go to step 6.Go to step 5.
5 CHECK COMMUNICATION OF SELECT
MONITOR.
1) Turn the ignition switch to OFF.
2) Connect the TCM connector.
3) Disconnect the ECM connector.
4) Check whether communication to transmis-
sion systems can be executed normally.Are the contents of transmis-
sion displayed on Subaru
Select Monitor?Inspect the ECM. Go to step 6.
6 CHECK HARNESS CONNECTOR BETWEEN
EACH CONTROL MODULE AND DATA LINK
CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the TCM, ECM.
3) Measure the resistance between data link
connector and chassis ground.
Connector & terminal
(B40) No. 10 — Chassis ground:
(B40) No. 6 — Chassis ground:Is the resistance more than 1
MΩ?Go to step 7.Repair the har-
ness and connec-
tor between each
control module and
data link connector.
7 CHECK OUTPUT SIGNAL FOR TCM.
1) Turn the ignition switch to ON.
2) Measure the voltage between data link con-
nector and chassis ground.
Connector & terminal
(B40) No. 10 (+) — Chassis ground (
−):Is the voltage more than 1 V? Repair the har-
ness and connec-
tor between each
control module
and data link con-
nector.Go to step 8.
8 CHECK HARNESS/CONNECTOR BETWEEN
TCM AND DATA LINK CONNECTOR.
Measure the resistance between TCM connec-
tor and data link connector.
Connector & terminal
(B56) No. 15 — (B40) No. 10:Is the resistance less than 0.5
Ω?Go to step 9.Repair the harness
and connector
between TCM and
data link connector.

Page 2493 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-34
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure for Subaru Select Monitor Communication
9 CHECK HARNESS/CONNECTOR BETWEEN
TCM AND DATA LINK CONNECTOR.
Measure the resistance bet

Page 2494 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-35
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
12.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Content of diagnosis Index
11 Engine speed signalDetect

4AT(H4SO)-35
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
12.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Content of diagnosis Index
11 Engine speed signalDetects open or shorted input
signal circuit. SIGNAL, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
27 ATF temperature sensorDetects open or shorted input
signal circuit. TURE SENSOR, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
31 Throttle position sensorDetects open or shorted input
signal circuit. POSITION SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
33Front vehicle speed
sensorDetects open or shorted input
signal circuit. CLE SPEED SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
36Torque converter tur-
bine speed sensorDetects open or shorted input
signal circuit. VERTER TURBINE SPEED SENSOR, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
38 Torque control signalDetects open or shorted input
signal circuit. TROL SIGNAL, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
45Intake manifold pres-
sure signalDetects open or shorted input
signal circuit. FOLD PRESSURE SIGNAL, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
71 Shift solenoid 1Detects open or shorted out-
put signal circuit. NOID 1, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
72 Shift solenoid 2Detects open or shorted out-
put signal circuit. NOID 2, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
73Low clutch timing sole-
noidDetects open or shorted out-
put signal circuit. TIMING SOLENOID, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
742-4 brake timing sole-
noidDetects open or shorted out-
put signal circuit. ING SOLENOID, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
75Line pressure duty sole-
noidDetects open or shorted out-
put signal circuit. SURE DUTY SOLENOID, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
76 2-4 brake duty solenoidDetects open or shorted out-
put signal circuit. DUTY SOLENOID, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
77 Lock-up duty solenoidDetects open or shorted out-
put signal circuit. SOLENOID, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
79 Transfer duty solenoidDetects open or shorted out-
put signal circuit. DUTY SOLENOID, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
93Rear vehicle speed
sensorDetects open or shorted input
signal circuit. SPEED SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

Page 2495 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-36
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
13.Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC 11 ENGINE SPEED SIGNAL
DTC DE

Page 2496 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-37
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND ECM.
1) Turn the ignition switch t

4AT(H4SO)-37
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND ECM.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from TCM and
ECM.
3) Measure the resistance of harness
between TCM and ECM connector.
Connector & terminal
(B55) No. 17 — (B134) No. 10:Is the resistance less than 1
Ω?Go to step 2.Repair the open
circuit in harness
between TCM and
ECM connector.
2 CHECK HARNESS CONNECTOR BETWEEN
TCM AND ECM.
Measure the resistance of harness between
TCM connector and chassis ground.
Connector & terminal
(B55) No. 17 — Chassis ground:Is the resistance more than 1
MΩ?Go to step 3.Repair the short
circuit in harness
between TCM and
ECM connector.
3 PREPARE SUBARU SELECT MONITOR.Do you have a Subaru Select
Monitor?Go to step 5.Go to step 4.
4 CHECK INPUT SIGNAL FOR TCM.
1) Connect the connectors to TCM and ECM.
2) Turn the ignition switch to ON (engine
OFF).
3) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B55) No. 17 (+) — Chassis ground (
−):Is the voltage more than 10.5
V?Even if the
POWER indicator
light was blinking,
the circuit has
returned to a nor-
mal condition at
this time. A tempo-
rary poor contact
of the connector or
harness may be
the cause. Repair
the harness or
connector in TCM
and ECM.Go to step 6.
5 CHECK INPUT SIGNAL FOR TCM USING
SUBARU SELECT MONITOR.
1) Connect the connectors to TCM and ECM.
2) Connect the Subaru Select Monitor to data
link connector.
3) Start the engine and turn Subaru Select
Monitor switch to ON.
4) Warm-up the engine until engine coolant
temperature is above 80°C (176°F).
5) Idle the engine.
6) Read the data of engine speed using Sub-
aru Select Monitor.
Display shows the engine speed signal value
sent from ECM.Is the revolution value same as
tachometer reading shown on
combination meter?Even if the
POWER indicator
light was blinking,
the circuit has
returned to a nor-
mal condition at
this time. A tempo-
rary poor contact
of the connector or
harness may be
the cause. Repair
the harness or
connector in TCM
and ECM.Go to step 6.
6 CHECK POOR CONTACT.Is there poor contact in engine
speed signal circuit?Repair the poor
contact.Go to step 7.
7 CONFIRM DTC 11.Replace the ECM with a new
one. Does the DTC 11 appear
again, after memory has been
cleared?Replace the TCM.
Transmission Con-
trol Module
(TCM).>Replace the ECM.
FU(H4SO)-44,
Engine Control
Module (ECM).>

Load next 8 pages

Page: < prev 1-10 ... 2457-2464 2465-2472 2473-2480 2481-2488 2489-2496 2497-2504 2505-2512 2513-2520 2521-2528 ... 2872 next >

jacking child lock low beam coolant capacity ESP inoperative traction control