2009 SUBARU TRIBECA Gnd

AB(diag)-29
Airbag Control Module I/O Signal
AIRBAG SYSTEM (DIAGNOSTICS)
6. Airbag Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
•Terminal numbers in airbag control module connector are shown in the figure.
•Airbag warning light illuminates when the connector is removed from airbag control module.
Item Control module terminal No.
Line end check connector(1)-2
Diagnosis connector(1)-19
Data link connector(1)-12
Combination meter(1)-3
Battery power supply Common use fuse (1)-6
Dedicated fuse (1)-5
Passenger’s airbag module level one + (1)-10
–(1)-11
Passenger’s airbag module level two + (1)-8
–(1)-7
Driver’s airbag module level one + (1)-14
–(1)-13
Driver’s airbag module level two + (1)-16
–(1)-17
Fr o nt su b se ns or L H Powe r su p pl y a n d co mmu-
nication(1)-15
GND (1)-26
Fr o nt su b se ns or RH Powe r su p pl y a n d co mmu-
nication(1)-9
GND (1)-20
Ground line (GND)(1)-27
(1)-28
Passenger’s airbag OFF indicator (1)-1
Passenger’s airbag ON indicator (1)-18
Passenger’s seat belt war ning light (integrated module) (1)-24
Seat belt buckle switch LH + (2)-19
–(2)-2
Seat position sensor LH + (2)-3
–(2)-4
AB-00937
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1314151617181920
123456789101112
1314151617181920
1234567891011121314151617
1819202122232425262728
(1)(2) (3)

AB(diag)-30
Airbag Control Module I/O Signal
AIRBAG SYSTEM (DIAGNOSTICS)
B: WIRING DIAGRAM
Refer to the WI section wiring diagram.
Seat belt pretensioner LH + (2)-6
–(2)-5
Side airbag sensor LH Power supply and commu-
nication(2)-16
GND (2)-18
+(2)-17
–(2)-20
Side airbag module LH + (2)-10
–(2)-9
Curtain airbag sensor LH Power supply and commu-
nication(2)-14
GND (2)-13
+(2)-15
–(2)-1
Curtain airbag module LH + (2)-11
–(2)-12
Seat belt pretensioner RH + (3)-11
–(3)-12
Side airbag sensor RH Power supply and commu-
nication(3)-17
GND (3)-15
+(3)-16
–(3)-13
Side airbag module RH + (3)-7
–(3)-8
Curtain airbag sensor RH Power supply and commu-
nication(3)-19
GND (3)-20
+(3)-18
–(3)-4
Curtain airbag module RH + (3)-6
–(3)-5
Occupant detection control module + (3)-1
–(3)-2
Item Control module terminal No.

CC(ETC)(diag)-6
Engine Control Module (ECM) I/O Signal
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
4. Engine Control Module (ECM) I/O Signal
A: ELECTRICAL SPECIFICATION
B: WIRING DIAGRAM

DescriptionTe r m i n a l
No.
Measurement Condition and I/O Signal
(Idling with ignition ON: Except cruise set light)
Main power
supply
VB (CONTROL 1)
VB (CONTROL 2)
A7
B2
•Battery voltage is present when the main power is turned ON.
•“0 V” is present when the main power is turned OFF.
Command switch B24
•“0 V” is detected when the command switch is in CANCEL position.
•“Approx. 1 V” is present when the command switch is in SET/COAST position.
•“Approx. 3 V” is detected when the command switch is in RESUME/ACCEL
position.
•“Approx. 4 V” is detected when the command switch is released.
Brake switch 1
(Brake switch)B20•Battery voltage is present when the brake pedal is released.
•“0 V” is present when brake pedal is depressed.
Brake switch 2
(Stop light switch)B28•Battery voltage is present when brake pedal is depressed.
•“0 V” is present when the brake pedal is released.
Main switch B12•“0 V” is present while the main switch is pressed or turned on.
•Battery voltage is present when the main switch is turned OFF.
GroundGND (CONTROL 1)
GND (CONTROL 2)
A5
D7—
Ignition switch B19•Battery voltage is present when the ignition switch is turned ON.
•“0 V” is present when the ignition switch is turned OFF.
Neutral signal C31•Battery voltage is present when shift lever is in other than “P” or “N” position.
•“0 V” is detected when the shift lever is in “P” or “N” position.
CC-00197
B134
9
30 29 2832 3120 19 1822 211012 11142434 3327 2617 161234567132315258
B135
9
30 29 2832312022 211012 111424353327 2617 161234567132315258
B136
9
30 29 2832 3120 19 1822 211012 11142434 3327 2616123456132315258
B137
9
29 2820 19 182221101211142417 1612345671323152581819
34
71735303127 26
To D:To C:To B:To A:

LAN(diag)-10
Control Module I/O Signal
LAN SYSTEM (DIAGNOSTICS)
Manual switch (UNLOCK) i84 A29 Less than 1 ΩDoor unlock switch ON
Door lock power supply i84 A34 10 — 13 V Always
All door lock output i84 A7 10 — 13 V Manual lock switch, door key switch ON
Driver’s door UNLOCK
outputi84 A23 10 — 13 V Driver’s seat unlock signal ON
All door UNLOCK output i84 A8 10 — 13 V ALL door unlock signals ON
Rear gate UNLOCK out-
puti84 A22 10 — 13 VWhen rear gate release switch ON with
all seats unlocked
Rear gate release switch B281 C22 0 V Rear gate release switch ON
Key/shift lock power sup-
plyB281 C1 10 — 13 V Always
Shift lock output B280 B6 10 — 13 VIgnition switch ON, shift position “P”
range, foot brake ON (Only AT)
Key locking output B280 B5 10 — 13 VOther than “P” range, ignition switch
ON
Wiper deicer switch i84 A14 0 V Wiper deicer switch ON
Wiper deicer relay output B280 B14 0 V Wiper deicer relay ON
Rear defogger switch i84 A28 0 V Rear defogger switch ON
Rear defogger relay out-
putB281 B16 0 V Rear defogger relay ON
Shift switch (ON) B281 C26 0 V At Manual mode
Shift switch (UP) B281 C15 0 V At Manual mode UP
Shift switch (DOWN) B281 C25 0 V At Manual mode DOWN
Shift button switch B281 C24 0 VWhen shift lever release button is oper-
ated
P range switch B281 C13 0 V Shift range P position
Impact sensor B281 C5 8 V or moreImpact sensor ON (Model with impact
sensor)
Fuel level sensor B281 C19 0 — 102.3 Ω
Resistance differs according to the fuel
level (displays resistance combining
level gauge main and sub)
Ambient temperature sen-
sor
B281 C3 0.5 — 4.5 V SIG
B281 C10 0 V GND
Seat belt switch (driver’s
seat)i84 A4 0 V When driver’s seat belt is worn
Seat belt switch (Passen-
ger’s seat)i84 A13 0 V When passenger’s seat belt is worn
Seat belt warning light
(driver’s seat)i84 A20 0 V When driver’s seat belt is worn
Seat belt warning light
(Passenger’s seat)B280 C27 0 V When passenger’s seat belt is worn
Rear wiper switch (ON) B281 C6 0 V Rear wiper switch ON
Rear wiper switch (INT) B281 C18 0 V Rear wiper switch ON
Rear washer switch B281 C27 0 V Rear washer switch ON
Rear wiper power supply B280 B21 10 — 13 V Ignition switch ON
Rear wiper ON output B280 B1 10 — 13 V Rear wiper switch ON
Rear wiper return B280B8 0 VAt wiper reversingB1 — B8 0 V
Room lamp output B280 B3 0 VWhen LOCK, UNLOCK with keyless
entry
Map lamp output B280D2 0 V When using map lamp
D9 0 V When using map lamp
DescriptionConnec-
tor No.
Te r m i n a l
No.
Signal (V)
NoteIgnition switch ON
(Engine OFF)

OD(diag)-16
Control Module I/O Signal
OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)
6. Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
CAUTION:
Never remove the occupant detection control module, occupant detection sensor or seat frame be-
cause they are integrated into one unit.
B: WIRING DIAGRAM
Refer to the electrical wiring diagrams.
Te r m i n a l N a m eTe r m i n a l
No.Input/Output value Remarks
IG – power supply 9 9 — 16 V When ignition switch ON
Airbag control module com-
munication(COM) 10 Open collector terminal Communication line
Airbag control module com-
munication(GND) 5 0 V Ground
Belt tension sensor
(Vcc) 5 0 — 5 V Belt tension sensor power supply
(Vout) 16 0.5 — 4.5 V Sensor output voltage
(GND) 14 0 V Sensor ground
Occupant detection sensor
(Vcc) 6 0 — 5 V Pressure sensor power supply
(Vout) 7 0.5 — 4.5 V Sensor output voltage
(GND) 15 0 V Sensor ground
Buckle switch 1 0 — IG voltage Ignition voltage when switch ON
Buckle switch (GND) 2 0 V Switch ground

TPM(diag)-6
Control Module I/O Signal
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
4. Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
Te r m i n a l
No.Measured value Measuring condition Remarks
1Select monitor communication Serial communication —
2Tire pressure warning light output When malfunction occurs, or tire pres-
sure decreases
System failure: blinks
Tire pressure decreases: turns on
4Speed sensor signal While driving (Pulse signal) Change according to vehicle
speed
5Ignition power supply IG switch ON (Battery voltage) —
6Battery power supply Battery voltage Always
8Body integrated unit (Hazard output
signal).—When hazard turns on.
9GND 0 V (Always) Always

5AT(diag)-12
Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
I/C solenoid output B54 18
While driving at 1st —
3rd of manual mode
Approx. 5.5 —
7.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 4th or
5th of manual modeApprox. 0 V
H & LR/C solenoid
outputB54 17
While driving at 2nd of
manual mode
Approx. 5.5 —
7.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 3rd —
5th of manual modeApprox. 0 V
Control valve power
supply outputB54 16Ignition switch ONPow er s up p ly
voltage—

Ignition switch OFF Approx. 0 V
LC/B solenoid output B54 15
While driving at 1st —
2nd of manual mode
Pow er s up p ly
voltage5 — 17 Ω (ATF
temperature
25°C (77°F))

While driving at 3rd —
5th of manual modeApprox. 0 V
Pow er GN D B 5 4 1 4 A lways A pp r ox . 0 V —
Analog GND (sensor
GND)B54 13 Always Approx. 0 V —
LC/B oil pressure
switch inputB54 12 — — —
The condition
of LC/B oil
pressure switch
cannot be read
by the tester.
AT F t e m p e r a t u r e s e n -
sor 2 inputB54 11 Ignition switch ON
2.3 — 2.7 V
(ATF tempera-
ture 20°C
(68°F))
0.6 — 0.8 V
(ATF tempera-
ture 80°C
(176°F))
3.0 — 3.6 kΩ
(ATF tempera-
ture 20°C
(68°F))
0.4 — 0.6 kΩ
(ATF tempera-
ture 80°C
(176°F))

PVIGN power supply
relay outputB54 10 Ignition switch ON 0 — 1.5 V —
Fr / B so le n oi d o u tp u t B 5 4 2 4
While driving at other
than 4th of manual
mode
Approx. 4.5 —
6.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 4th of
manual modeApprox. 0 V
L/U solenoid output B54 23When lock-upApprox. 3.5 —
5.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhen not lock-up Approx. 0 V
D/C solenoid output B54 22
While driving at 1st or
5th of manual mode
Approx. 5.5 —
7.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 2nd —
4th of manual modeApprox. 0 V
D/C oil pressure
switch inputB54 21 — — —
The condition
of D/C oil pres-
sure switch
cannot be read
by the tester.
Subaru Select Moni-
tor communication
line
B54 20 — — —

Control GND B54 19 Always Approx. 0 V —
ItemConnector
No.
Te r m i n a l
No.Measuring condition Measured value
Resistance
between termi-
nal and chassis
ground
Remarks

5AT(diag)-14
Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Inhibitor switch 4 input B55 13
Ignition switch ON, “P”
range4.0 — 5.0 V
—

Ignition switch ON, “D”
rangeLess than 1.5 V
Control valve commu-
nication lineB55 12 — — —
Back-up light relay
outputB55 11
Ignition switch ON, “R”
range1.5 V90 — 110 Ω
(ATF tempera-
ture 25°C
(77°F))

Ignition switch ON, other
than “R” range
Pow er s up p ly
voltage
Ignition power supply B55 10Ignition switch ONPow er s up p ly
voltage—

Ignition switch OFF Approx. 0 V
AW D s o le n oi d o u tp u t B 5 5 2 3
Engine ON, “P” range or
“N” range, accelerator
OFF
Approx. 0 V3 — 9 Ω(ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzEngine ON, “D” range,
accelerator OFF, brake
ON
Approx. 2.0 —
3.0 V
Tu r b i n e s p e e d s e n s o r
2 inputB55 22
2nd of manual mode,
turbine speed sensor is
2,000 rpm (Read from
Subaru Select Monitor)
Approx. 1,300
— 1,500 rpm

Use the Subaru
Select Monitor.
4th of manual mode, tur-
bine speed sensor is
2,000 rpm (Read from
Subaru Select Monitor)
Approx. 1,900
— 2,100 rpm—Use the Subaru
Select Monitor.
Control GND B55 21 Always Approx. 0 V —
Inhibitor switch 3
open circuit monitor
input
B55 20
Ignition switch ON, “D”
range4.0 — 5.0 V
—

Ignition switch ON, “R”
rangeLess than 1.5 V
PN signal output B55 19
Ignition switch ON,
Other than “P” range or
“N” range
Pow er s up p ly
voltage—
ECM should be
connected cor-
rectly.
Ignition switch ON, “P”
range or “N” range0 — 1.0 V —
ItemConnector
No.
Te r m i n a l
No.Measuring condition Measured value
Resistance
between termi-
nal and chassis
ground
Remarks