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MartQ *****
Joined: 25 Nov 2006 Posts: 505 Location: Bardney, Lincolnshire
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Posted: Fri Feb 09, 2007 10:24 Post subject: Earlier 3.1 Auto Diagnostic Trouble codes. |
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Managed to find this info squirrelled away on the web and thought it may be of help to folks having auto probs.
13 Open Oxygen Sensor Circuit
14 Coolant Temperature Sensor (High Temp Indicated)
15 Coolant Temperature Sensor (Low Temp Indicated)
21 Throttle Position Sensor (Signal Voltage High)
22 Throttle Position Sensor (Signal Voltage Low)
23 Manifold Air Temperature (MAT) Low Temp Indicated
24 Vehicle Speed Sensor (VSS) Circuit
25 Manifold Air Temperature (MAT) High Temp Indicated
32 EGR system fault
33 MAP sensor circuit (signal voltage high, low vacuum)
34 MAP sensor circuit (signal voltage low, high vacuum)
44 Oxygen Sensor Circuit (Lean Exhaust Indicated)
45 Oxygen Sensor Circuit (Rich Exhaust Indicated)
51 PROM error (faulty or incorrect MEM-CAL).
Please bare in mind that if you have a kmh to mph electronic speedo converter fitted, you will get a code 24 flashed as the control unit can't "see" the speed sensor bacwards through the converter. _________________ 94 Big Horn 3.1 Lotus Auto
Torque Flung Dirt Technique! |
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Posted: Fri Feb 09, 2007 10:24 Post subject: Google Ads keep this community free to join! |
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Hard1 Lifetime member
Joined: 08 Dec 2004 Posts: 3544 Location: New Forest Old Git
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Posted: Fri Feb 09, 2007 12:46 Post subject: |
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Good stuff Mart. Two questions.
1.This is Bighorn specific as they tend to be different from Trooper?
2. Is this for all MKII's from '92 up to 3.0 or from '95 on?
I didn't reckon we had all those sensors on early ones!
OMG _________________ 1999 Cougar with a NICE motor..
Click HERE to see under my bonnet! |
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MartQ *****
Joined: 25 Nov 2006 Posts: 505 Location: Bardney, Lincolnshire
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Posted: Fri Feb 09, 2007 14:09 Post subject: |
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Dunno about if it applies to troops, I suppose it should, it said all Isuzu and was dated 1991.
I suppose if we don't have the sensor, then it can't fail and therefore we will never get the code!?!?! _________________ 94 Big Horn 3.1 Lotus Auto
Torque Flung Dirt Technique! |
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mikewalker *
Joined: 19 Sep 2006 Posts: 11 Location: West Midlands
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Posted: Sat Feb 10, 2007 16:47 Post subject: Fault codes |
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Where are these codes read and with what?
Mike |
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Hard1 Lifetime member
Joined: 08 Dec 2004 Posts: 3544 Location: New Forest Old Git
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Posted: Sat Feb 10, 2007 18:24 Post subject: |
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From an earlier post by MartQ
"Run your fingers along the top of the plastic trim at the side of the centre console in the drivers footwell next to where the clutch pedal would be in a manual. You should feel a loose cable. Fish it out. It should have a green (usually) three pin connector on it.
With the ign OFF, connect a piece of wire between the 2 outside terminals. The earth wire from a bit of household twin & earth cable is ideal as it is difficult to get a good connection.
Switch the ign ON but don't start engine. Watch the "Check Trans" light, on the fascia, just behind the right hand rim of the steering wheel.
It should start flashing fault codes at you.
If yo get a repeating double flash, pause, 4 flashes, longer pause etc, this is telling you a fault code of 24, which is the Vehicle Speed Sensor.
If it flashes other codes, they may be in memory. Disconnect battery for about a minute, then reconnect. Go for a short drive, a couple of miles or so, then carry out the above procedure. If you still get more than one code, make a note of what it decodes as in the same manner as above and let me know, I'll see what I can glean from this."
Hope this helps..... _________________ 1999 Cougar with a NICE motor..
Click HERE to see under my bonnet! |
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markymoan *******
Joined: 25 Jun 2005 Posts: 16267 Location: Naughty Step
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Posted: Sat Feb 10, 2007 18:28 Post subject: |
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Trooper morse code _________________ |
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Hard1 Lifetime member
Joined: 08 Dec 2004 Posts: 3544 Location: New Forest Old Git
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Posted: Sat Feb 10, 2007 18:35 Post subject: |
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markymoan wrote: |
Trooper morse code |
dit dit dit dah
dit
dit da dah
dah dit dah dah
dit dit dah dit
dit dit dah
dah dit
dah dit
dah dit dah dah
_________________ 1999 Cougar with a NICE motor..
Click HERE to see under my bonnet! |
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markymoan *******
Joined: 25 Jun 2005 Posts: 16267 Location: Naughty Step
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Posted: Sat Feb 10, 2007 18:38 Post subject: |
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I have made it sticky so it doesnt gather dust _________________ |
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Hard1 Lifetime member
Joined: 08 Dec 2004 Posts: 3544 Location: New Forest Old Git
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Posted: Mon Feb 26, 2007 16:08 Post subject: |
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Found this from about 100 years ago:
3 pin diag connecter above the pedals bridge terminals 1&3, switch ign on don't start engine. codes are ; 12 no fault, 13 oxygen sensor circuit, 14 coolant sensor, 15coolant sensor, 21 throttle switch, 22 starter signal, 23 power transistor, vac switch valve, 26 carbon filtersolenoid high voltage, 27 carbon filter solenoid low voltage, 33 fuel inj circuit, 35 power transistor, 41 crank sensor, 43 throttle switch, 44 oxygen sensor, 45 oxygen sensor, 51 ecu, 52 ecu, 53 vac switching valve for pressure regulator, 54 ign control, 61 airflow sensor, 62 airflow sensor, 63 vehicle speed sensor, 64 fuel inj system, 65 throttle switch, 66 knock sensor, 72 egr system, 73 egr system. to clear codes, switch off ign, remove fuse 13 from fuse box. if you have the later 16 pin try earthing pin 6 to get codes up. _________________ 1999 Cougar with a NICE motor..
Click HERE to see under my bonnet! |
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baza *
Joined: 20 Jun 2007 Posts: 33 Location: Romford Essex
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Posted: Sun Jun 24, 2007 17:41 Post subject: montery |
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do these codes apply to a 95 3.1 montery many thanks |
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markymoan *******
Joined: 25 Jun 2005 Posts: 16267 Location: Naughty Step
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Posted: Sun Jun 24, 2007 17:52 Post subject: |
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If it has a cable throttle then i would say yes _________________ |
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JLB(UK) ****
Joined: 10 Dec 2007 Posts: 348 Location: SW London / Lusaka, Zambia
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Posted: Mon Mar 10, 2008 21:04 Post subject: |
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my connector was hidden behind the RHS kick panel, next to the accelerator pedal... _________________ 1993 3.2 V6 SWB manual (Zambia)
1999 3.5 V6 LWB Auto (UK)
1999 3.5 V6 LWB Auto (UK) |
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bulletproof **
Joined: 05 Sep 2007 Posts: 102 Location: Stroud
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Posted: Mon Mar 16, 2009 15:05 Post subject: |
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Can someone please clarify how you read these fault codes. (i.e. how flashes and pauses, etc translate to fault code numbers).
Thanks in advance. _________________ '94 Big Horn Irmscher LWB, 3.1TD auto. |
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Grandad *******
Joined: 22 Sep 2005 Posts: 1902 Location: NORFOLK
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Grandad *******
Joined: 22 Sep 2005 Posts: 1902 Location: NORFOLK
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Posted: Mon Mar 16, 2009 18:30 Post subject: |
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that picture of the connector is for engine codes for transmission codes connect 4 to 11 |
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