Subaru B9 TRIBECA WX 2007 Manual page 273

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CRUISE CONTROL SYSTEM (DIAGNOSTICS)
4. Engine Control Module (ECM) I/O Signal
A: ELECTRICAL SPECIFICATION
To A: B134
7 6 5 4 3 2
17 16 15 14 13 12 11 10
25 23
27 26 24 22 21 20 19 18
34 33 32 31 30 29 28
Description
Main power VB (CONTROL 1)
supply VB (CONTROL 2)
Command switch
Brake switch 1
(Brake switch)
Brake switch 2
(Stop light switch)
Main switch
GND (CONTROL 1)
Ground
GND (CONTROL 2)
Ignition switch
Neutral signal
B: WIRING DIAGRAM
<Ref. to WI-76, WIRING DIAGRAM, Cruise Control System.>
Engine Control Module (ECM) I/O Signal
To B: B135
1 7 6 5 4 3 2 1
9 8 19 18 17 16 15 14 13 12 11 10 9 8
25 23
27 26 24 22 21 20
35 34 33 32 31 30 29 28
Terminal
No.
A7 • Battery voltage is present when the main power is turned ON.
B2 • "0 V" is present when the main power is turned OFF.
• "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.
B24 • "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.
• Battery voltage is present when the brake pedal is released.
B20
• "0 V" is present when brake pedal is depressed.
• Battery voltage is present when brake pedal is depressed.
B28
• "0 V" is present when the brake pedal is released.
• "0 V" is present while the main switch is pressed or turned on.
B12
• "5 V" is present when the main switch is OFF.
A5
D7
• Battery voltage is present when the ignition switch is turned ON.
B19
• "0 V" is present when the ignition switch is turned OFF.
• Battery voltage is present when shift lever is in other than "P" or "N" position.
C31
• "0 V" is detected when the shift lever is in "P" or "N" position.
CC(diag)-6
To C: B136 To D:
6 5 4 3 2 1 7 6
16 15 14 13 12 11 10 9 8 7 17 16 15
25 23 25
27 26 24 22 21 20 19 18 17 24
35 34 33 32 31 30 29 28 31 30
Measurement Condition and I/O Signal
(Idling with ignition ON: Except cruise set light)
—
B137
5 4 3 2 1
14 13 12 11 10 9 8
23
22 21 20 19 18
29 28 27 26
CC-00197