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Control Unit Terminal Identification

Fig 1: View Of Control Unit Terminals (Except X/T)
G201927Courtesy of SUBARU OF AMERICA, INC.
CONTROL UNIT TERMINAL IDENTIFICATION (EXCEPT X/T)

Terminal Wire Color Description
1 YR Test 1 (Used At Line End Only)
2 W Air Flow Meter (Signal)
3 GL Purge Control Solenoid
4 GY Neutral Switch (M/T)
5 B Air Flow Meter (Ground)
6 LB Fuel Pump Relay
7 R Crank Angle Sensor (Power)
8 G Crank Angle Sensor (Position)
9 WB Water Temperature Sensor
10 BR Ground
11 N/A N/A
12 R Air Flow Meter (Power)
13 RB Duty Solenoid (Waste Gate Control)
14 N/A N/A
15 N/A N/A
16 BR Throttle Sensor Ground
17 W Crank Angle Sensor (Reference)
18 N/A N/A
19 BW Ignition Switch Signal
20 BR Ground
21 W Throttle Sensor (Power Supply)
22 G Throttle Sensor (Signal)
23 LY Air Conditioner Signal
24 BW Starter Signal
25 LW Idle Switch Signal
26 N/A N/A
27 WR Control Unit Power (Input)
28 BY 49 State/CA Identification
29 YG Car-Speed Sensor
30 BR AT/MT Identification
31 N/A N/A
32 G Test Mode Connector
33 LgW Read/Memory Connector
34 N/A N/A
35 WR Control Unit Power (Input)
36 R Knock Sensor
37 WY Ignition Output (Power Transistor)
38 LeR Air Flow Meter (Burn-Off Output)
39 GW Shut-Off Output
40 RY ECS Lamp Output
41 LY EGR Solenoid
42 N/A N/A
43 WY Ignition Output (Power Transistor)
44 N/A N/A
45 N/A N/A
46 N/A N/A
47 R Test (Used At Line End Only)
48 W O2 Sensor
49 W Fuel Injector #1
50 W Fuel Injector #2
51 WR Fuel Injector #3
52 WR Fuel Injector #4
53 N/A N/A
54 N/A N/A
55 W Fuel Pump Control
56 B Ground
57 B Ground
58 N/A N/A
59 N/A N/A
60 BR Ground
61 BR Ground
62 R Power (Input)
63 N/A N/A
Fig 2: View Of Control Unit Terminals (X/T)
G201926Courtesy of SUBARU OF AMERICA, INC.
CONTROL UNIT TERMINAL IDENTIFICATION (X/T)

Terminal Wire Color Description
1 YR Test 1 (Used At Line End Only)
2 W Air Flow Meter (Signal)
3 GL Purge Control Solenoid
4 GY Neutral Switch (M/T)
4 YL Inhibitor Switch (A/T)
5 B Air Flow Meter (Ground)
6 LB Fuel Pump Relay
7 R Crank Angle Sensor (Power)
8 B Crank Angle Sensor (Position)
9 RB Water Temperature Sensor
10 BR Ground
11 N/A N/A
12 W Air Flow Meter (Power)
13 RB Duty Solenoid (Waste Gate Control)
14 YW Inhibitor Switch (A/T)
15 Lg Inhibitor Switch (A/T)
16 BR Ground
17 W Crank Angle Sensor (Reference)
18 N/A N/A
19 BW Ignition Switch Signal
20 BR Ground
21 W Throttle Sensor (Power Supply)
22 B Throttle Sensor (Signal)
23 L Air Conditioner Signal
24 BW Starter Signal
25 LW Idle Switch Signal
26 N/A N/A
27 WR Control Unit Power (Input)
28 BY 49 State/CA Identification
29 YR Car-Speed Sensor
30 BR AT/MT Identification
31 N/A N/A
32 Br Test Mode Connector
33 LgW Read/Memory Connector
34 N/A N/A
35 WR Control Unit Power (Input)
36 W Knock Sensor
37 WY Ignition Output (Power Transistor)
38 LgR Air Flow Meter (Burn-Off Output)
39 GW Shut-Off Output
40 RY ECS Lamp Output
41 LY EGR Solenoid
42 N/A N/A
43 WY Ignition Output (Power Transistor)
44 RL Test (Used At Line End Only)
45 GB Test (Used At Line End Only)
46 L Test (Used At Line End Only)
47 R Test (Used At Line End Only)
48 W O2 Sensor
49 W Fuel Injector #1
50 W Fuel Injector #2
51 WR Fuel Injector #3
52 WR Fuel Injector #4
53 N/A N/A
54 N/A N/A
55 W Fuel Pump Control
56 B Ground
57 B Ground
58 N/A N/A
59 N/A N/A
60 BR Ground
61 BR Ground
62 R Power (Input)
63 N/A N/A
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