Subaru Legacy 2003 Service Manual page 3997

CRUISE CONTROL SYSTEM (DIAGNOSTICS)
4. Cruise Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
Content
Main light
Inhibitor switch (AT)
Motor B
Ground
Motor A
RESUME/ACCEL switch
SET/COAST switch
Main power supply
Ignition switch
Motor C
Motor clutch
Cruise control main switch
Brake switch
Data link connector
Data link connector
CRUISE CONTROL MODULE I/O SIGNAL
Terminal No. Measuring conditions and I/O signals (ignition switch ON and engine idling)
1 • Battery voltage is present when main switch is turned OFF.
• "0" volt is present when main switch is turned ON.
4 • Battery voltage is present when selector lever is other than "P" or "N" position.
• "0" volt is present when selector lever is set to "P" or "N" position.
5 • ON-and-OFF ("0"-and-battery voltage) operation is alternately repeated while
cruise control is operating.
• "0" volt is present when main switch is turned OFF.
6
7 • ON-and-OFF ("0"-and-battery voltage) operation is alternately repeated while
cruise control is operating.
• "0" volt is present when main switch is turned OFF.
9 • Battery voltage is present when command switch is turned to RESUME/ACCEL
position.
• "0" volt is present when command switch is released.
10 • Battery voltage is present when command switch is turned to SET/COAST
position.
• "0" volt is present when command switch is released.
11 • Battery voltage is present when main switch is turned ON.
• "0" volt is present when main switch is turned OFF.
12 • Battery voltage is present when ignition switch is turned ON.
• "0" volt is present when ignition switch is turned OFF.
13 • ON-and-OFF ("0"-and-battery voltage) operation is alternately repeated while
cruise control is operating.
• "0" volt is present when main switch is turned OFF.
14 • ON-and-OFF ("0"-and-battery voltage) operation is alternately repeated while
cruise control is operating.
• "0" volt is present when vehicle is stopped.
15 • Battery voltage is present during pressing the main switch.
• "0" volt is present when main switch is released.
16 Leave clutch pedal released (MT), while cruise control main switch is turned ON.
Then check that;
• Battery voltage is present when brake pedal is released.
• "0" volt is present when brake pedal is depressed.
Additionally only in MT vehicle, keep the cruise control main switch to ON and
leave brake pedal released.
Then check that;
• Battery voltage is present when clutch pedal is released.
• "0" volt is present when clutch pedal is depressed.
17
18
10 9 8
20 19 18 17 16 15 14 13 12 11
CC-8
2
5 4 3
7 6
—
—
—
1
CC-00075