SUBARU FORESTER 1999 Service Manual PDF

5Y3 : SHOWERING INSPECTION TO BODY
Spray water on vehicle body.
CAUTION:
Do not directly spray water on airbag compo-
nents.
NOTE:
If leaks are noted, also check wiring harnesses as
water may leak along them and wet airbag connec-
tors.
G5M0461
:Does water leak into the passenger
compartment when showering
vehicle?
: Replace faulty airbag component parts.
: Go to step5Y4.
5Y4 : FUSE NO. 11 (IN JOINT BOX), AIR-
BAG MAIN HARNESS, AIRBAG CON-
TROL MODULE, BODY HARNESS
APPEARANCE INSPECTION
Conduct appearance inspection on fuse No. 11
, airbag main harness 5-5 [W4A0].>, airbag control module [W6A0].> and body harness.
NOTE:
Also check connectors, terminals, wiring harness
and case for damage.
:Is there anything unusual about the
appearance of fuse No. 11, airbag
main harness, airbag control module
or body harness?
: Replace faulty airbag component parts.
: Go to step5Y5.5Y5 : FUSE NO. 11 (IN JOINT BOX), AIR-
BAG MAIN HARNESS, BODY HAR-
NESS VIBRATION INSPECTION
Conduct vibration inspection on fuse No. 11, airbag
main harness and body harness.
CAUTION:
Do not shake or vibrate airbag control module.
NOTE:
Gently shake each part.
:Do fuse No. 11, airbag main harness
or body harness malfunction again
when shaking?
: Replace faulty airbag component parts.
: Go to step5Y6.
5Y6 : SHOWERING INSPECTION TO BODY
Spray water on vehicle body.
CAUTION:
Do not directly spray water on each part.
NOTE:
If leaks are noted, check wiring harnesses as water
may leak along them and get parts wet.
G5M0461
:Does water leak into the passenger
compartment when showering
vehicle?
: Replace faulty airbag component parts.
: Go to step5Y7.
62
5-5[T5Y3]DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

5Y7 : WARNING LIGHT ILLUMINATION
CHECK
Turn ignition switch ªONº (engine off) and observe
airbag warning light.
:Does the airbag warning light come
on for about 7 seconds, then go out
and stay out?
: Perform clear memory. [T4C0].>
: Go to ªDIAGNOSTICS PROCEDUREº.

63
[T5Y7]5-5DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

MEMO:
64
5-5DIAGNOSTICS

1. Combination Meter
A: DIAGNOSTICS PROCEDURE
If speedometer does not operate, or operates
abnormally, check combination meter circuit.
CAUTION:
Make sure that trouble code of vehicle speed
sensor system appears in electrical system on-
board diagnosis.
1A1 : CHECK POWER SUPPLY FOR COM-
BINATION METER.
1) Remove combination meter. [W8A0].>
2) Turn ignition switch to ON.
3) Measure voltage between combination meter
connector and chassis ground.
Connector & terminal
(i10) No. 1 (+) Ð Chassis ground (þ):
S6M0430A
:Is the voltage more than 10 V?
: Go to step1A2.
: Repair harness and connector.
NOTE:
In this case, repair the following:
IOpen circuit in harness between combination
meter and battery.
IPoor contact in coupling connectors (i10) and
combination meter connector. WORD [W3C0].>1A2 : CHECK POWER SUPPLY FOR COM-
BINATION METER.
Measure voltage between combination meter con-
nector and chassis ground.
Connector & terminal
(i10) No. 2 (+) Ð Chassis ground (þ):
S6M0431A
:Is the voltage more than 10 V?
: Go to step1A3.
: Repair harness and connector.
NOTE:
In this case, repair the following:
IOpen circuit in harness between combination
meter and battery.
IPoor contact in coupling connectors (i10) and
combination meter connector. WORD [W3C0].>
1A3 : CHECK GROUND CIRCUIT OF COM-
BINATION METER.
1) Turn ignition switch to OFF.
2) Measure resistance of harness between com-
bination meter connector and chassis ground.
Connector & terminal
(i10) No. 3 (+) Ð Chassis ground (þ):
S6M0432A
:Is the resistance less than 10W?
: Go to step1A4.
: Repair harness and connector.
2
6-2[T1A0]DIAGNOSTICS
1. Combination Meter

1A4 : CHECK TRANSMISSION TYPE.
:Is the transmission type MT?
: Go to step1A5.
: Go to step1A9.
1A5 : CHECK HARNESS CONNECTOR
BETWEEN COMBINATION METER
AND VEHICLE SPEED SENSOR.
1) Disconnect connector from vehicle speed sen-
sor.
2) Measure resistance of harness connector
between vehicle speed sensor and combination
meter.
Connector & terminal
(B17) No. 1 Ð (i10) No. 7:
S6M0433A
:Is the resistance less than 10W?
: Go to step1A6.
: Repair wiring harness.1A6 : CHECK HARNESS CONNECTOR
BETWEEN BATTERY AND VEHICLE
SPEED SENSOR.
1) Turn ignition switch to ON.
2) Measure voltage between vehicle speed sensor
connector (B17) and chassis ground.
Connector & terminal
(B17) No. 3 (+) Ð Chassis ground (þ):
B6M0945A
:Is the voltage more than 10 V?
: Go to step1A7.
: Repair harness connector between bat-
tery and vehicle speed sensor.
1A7 : CHECK HARNESS CONNECTOR
BETWEEN VEHICLE SPEED SENSOR
AND ENGINE GROUND.
1) Turn ignition switch to OFF.
2) Measure resistance between vehicle speed
sensor connector (B17) and engine ground.
Connector & terminal
(B17) No. 2 (+) Ð Engine ground (þ):
B6M0946A
:Is the resistance less than 10W?
: Go to step1A8.
: Repair harness connector between
vehicle speed sensor and engine
ground.
3
[T1A7]6-2DIAGNOSTICS
1. Combination Meter

1A8 : CHECK VEHICLE SPEED SENSOR.
1) Connect connector to vehicle speed sensor.
2) Set the vehicle on a free roller, or lift-up the
vehicle and support with safety stands.
WARNING:
Be careful not to get caught in the rotating
wheels.
3) Set oscilloscope to vehicle speed sensor con-
nector terminals.
Positive probe; (B17) No. 1
Earth lead; (B17) No. 2
H6M0789A
4) Drive the vehicle at speed greater than 20 km/h
(12 MPH).
5) Measure signal voltage indicated on oscillo-
scope.
H6M0790A
:Is the voltage more than 5 V?
: Repair or replace speedometer.
: Replace vehicle speed sensor. 6-2 [W1100].>1A9 : CHECK HARNESS CONNECTOR
BETWEEN COMBINATION METER
AND AUTOMATIC TRANSMISSION
CONTROL MODULE.
1) Disconnect connector from automatic transmis-
sion control module.
2) Measure resistance between combination
meter connector (i10) and automatic transmission
control module connector (B56).
CAUTION:
To measure the voltage and/or resistance, use
a tapered pin with a diameter of less than 0.64
mm (0.025 in). Do not insert the pin more than
5 mm (0.20 in).
Connector & terminal
(i10) No. 7 Ð (B56) No. 17:
S6M0434A
:Is the resistance less than 10W?
: Go to step1A10.
: Repair harness connector between
combination meter and automatic trans-
mission control module.
4
6-2[T1A8]DIAGNOSTICS
1. Combination Meter

1A10 : CHECK AUTOMATIC TRANSMIS-
SION CONTROL MODULE.
1) Connect connector to automatic transmission
control module.
2) Set the vehicle on a free roller, or lift-up the
vehicle and support with safety stands.
WARNING:
Be careful not to get caught in the rotating
wheels.
3) Drive the vehicle faster than 10 km/h (6 MPH).
4) Measure voltage between automatic transmis-
sion control module connector (B56) and chassis
ground.
CAUTION:
To measure the voltage and/or resistance, use
a tapered pin with a diameter of less than 0.64
mm (0.025 in). Do not insert the pin more than
5 mm (0.20 in).
Connector & terminal
(B56) No. 17 (+) Ð Chassis ground (þ):
S6M0323C
:Is the voltage less than 1 V¨more
than 4 V?
: Go to step1A11.
: Replace automatic transmission control
module.
1A11 : APPEARANCE INSPECTION
Conduct appearance inspection on combination
meter.
NOTE:
Check to see if the needle catches.
:Is there anything unusual about the
appearance of combination meter?
: Replace combination meter. [W8A0].>
: Go to step1A12.1A12 : SPEEDOMETER INSPECTION
1) Disassemble combination meter and then
remove speedometer assembly.
2) Measure resistance between speedometer ter-
minals.
Terminals
SIN+ Ð SIN±:
B6M1232A
:Is the resistance 200±8W?
: Replace printed circuit.
: Go to step1A13.
1A13 : SPEEDOMETER INSPECTION
Measure resistance between speedometer termi-
nals.
Terminals
COS+ Ð COS±:
B6M1232A
:Is the resistance 200±8W?
: Replace printed circuit.
: Replace speedometer assembly. Go to
step1A14.
5
[T1A13]6-2DIAGNOSTICS
1. Combination Meter

1A14 : TACHOMETER INSPECTION
1) Remove tachometer assembly from combina-
tion meter.
2) Measure resistance between tachometer termi-
nals.
Terminals
SIN+ Ð SIN±:
B6M1232A
:Is the resistance 200±8W?
: Replace printed circuit.
: Go to step1A15.
1A15 : TACHOMETER INSPECTION
Measure resistance between tachometer termi-
nals.
Terminals
COS+ Ð COS±:
B6M1232A
:Is the resistance 200±8W?
: Replace printed circuit.
: Replace tachometer assembly.
6
6-2[T1A14]DIAGNOSTICS
1. Combination Meter

2. AT Shift Lock System
A: WIRING DIAGRAM
SU42-04
7
[T2A0]6-2DIAGNOSTICS
2. AT Shift Lock System

B: BASIC DIAGNOSTICS CHART
H6M0504B
8
6-2[T2B0]DIAGNOSTICS
2. AT Shift Lock System