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Guest Message by DevFuse

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green connectors under dash

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7 replies to this topic

#1 kiwisub


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Posted 13 August 2006 - 05:57 PM

hello all , while checking the diagnostic connectors under my dash (black and green ones ) why do the green ones when connected run the radiator fan in short bursts ? the black connectors told me the crank sensor was buggered so i replaced that at nz $ 160.00 , no more start issues now , can anyone explain the function of the green ones please , cheers blair

#2 jjou812


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Posted 13 August 2006 - 06:13 PM


#3 Manarius


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Posted 13 August 2006 - 06:58 PM

Green plugs are for a special troubleshooting method for Subaru mechanics.

#4 jjou812


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Posted 13 August 2006 - 09:15 PM

which means us......;)

#5 Setright


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Posted 14 August 2006 - 09:20 AM

It's also needed during a reset

#6 OB99W


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Posted 14 August 2006 - 12:38 PM


From the link given above:
"NOTE: These instructions are only for the 90-94 Legacies with an OBD I computer. If you have a 95 or later Legacy, you will need a scan tool or will need to have the dealer read the codes."

#7 Legacy777



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Posted 14 August 2006 - 10:27 PM

It's possible that the overseas models may have stayed OBD1, or at least retained the OBD1 connector functionality for longer then the US models.

#8 OB99W


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Posted 15 August 2006 - 12:49 AM

It's beginning to look like the statement I quoted above is misleading; it should probably say that you can't retrieve the OBD-II codes without a scan tool. My own '99 Outback (obviously OBD-II) has the green connectors (although not the black ones). I haven't actually had a reason to connect them, so I can't verify precisely what that does. However, I found some info concerning the CEL D-Check codes during an online search (which I also haven't verified, but hopefully is correct); it's a bit more complete than other tables I've seen. If anyone knows which model years it applies to, please chime in. Here it is:

For Later Models with Multi-Point Fuel Injection (MPFI)

11 Crank Angle Sensor or Circuit
12 Starter Switch or Circuit
13 Cam Position Sensor or Circuit (TDC Sensor on Justy)
14 Fuel Injector No. 1 (Legacy, Impreza, Justy, SVX)
14 Fuel Injector No. 1 and 2 (XT, Loyale, GL, DL)
15 Fuel Injector No. 2 (Legacy, Impreza, Justy, SVX)
15 Fuel Injector No. 3 and 4 (Loyale, GL, DL)
15 Fuel Injector No. 5 and 6 (XT-6)
16 Fuel Injector No. 3 (Legacy, Impreza, Justy, SVX)
16 Fuel Injector No. 3 and 4 (XT)
17 Fuel Injector No. 4 (Legacy, Impreza, SVX)
17 Fuel injector No. 1 and 2 (XT-6)
18 Fuel Injector No. 5 (SVX)
19 Fuel Injector No. 6 (SVX)
21 Coolant Temperature Sensor or Circuit
22 Knock Sensor or Circuit (Right Side on SVX)
23 Air Flow Meter or Circuit (Exc. Justy)
23 Pressure Sensor (Justy)
24 Air Control Valve or Circuit (Exc. Justy)
24 Idle Speed Control Solenoid Valve (Justy)
25 Fuel injector No. 3 and 4 (XT-6)
26 Air Temperature Sensor (Justy)
28 Knock Sensor No. 2 (SVX, Left Side)
29 Crank Angle Sensor (SVX, No. 2)
31 Throttle Position Sensor or Circuit
32 Oxygen Sensor or Circuit (No. 1, Right Side, On SVX)
33 Vehicle Speed Sensor (VSS) or Circuit
34 EGR Solenoid or Circuit
35 Purge Control Solenoid or Circuit
36 Air Suction Solenoid Valve (Impreza)
36 Ignitor Circuit (Justy)
37 Oxygen Sensor (No. 2, Left Side, On SVX)
38 Engine Torque Control (SVX)
41 Air/Fuel Adaptive Control
42 Idle Switch or Circuit
43 Throttle Switch (Justy)
44 Wastegate Duty Solenoid (Turbo Models)
45 Pressure Sensor Duty Solenoid (Turbo Models)
45 Atmospheric Pressure Sensor or Circuit (Non- Turbo Models)
49 Airflow Sensor
51 Neutral Switch (Manual Transmission Models)
51 Inhibitor Switch (Automatic Transmission Models)
52 Parking Brake Switch (Exc. Justy)
52 Clutch Switch (Justy)
55 EGR Temperature Sensor or Circuit
56 EGR System
61 Parking Brake Switch (Loyale)
61 Fuel Tank Pressure Control Solenoid (Impreza)
62 Fuel Temperature Sensor (Impreza)
62 Electric Load Signal (Justy)
63 Fuel Tank Pressure Sensor (Impreza)
63 Blower Fan Switch (Justy)
65 Vacuum Pressure Sensor

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