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  1. #1
    craig8585 is offline I'm so cool, I have my own fan thread :p
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    How to: Check S15 Fault Codes - Paperclip Method

    Whilst helping justin666 with his non-starting S15 last week, he showed me how to flash up fault codes on the S15 ECU. I wasn't aware it was possible to do this until last week so here's a quick guide for everybody else..



    Nissan ECCS allows you to read any stored fault codes without any specialist equipment.


    The diagnostic plug on S15's is located near the drivers right knee behind a small panel.



    Please read all the following instructions in full before you attempt to carry a fault code read out.



    1. Switch the ignition to the ON position but do not start the car.
    2. Depending on its orientation of the consult plug (see below) bridge the two lower left, or upper right pins on the consult plug with the wire paper clip for 5 seconds, then remove the bridge.
    3. Observe and write down the sequence of flashed produced by the engine check light on the dash.
    4. Once you are satisfied you have all the fault codes bridge the consult pins again (basically, repeat step 2) and this will erase any stored fault codes and revert the ECU back its normal operation. It is important you carry out this part or the ECU will continue to repeat the stored codes.



    Understanding the fault code readout:

    ECU fault codes are displayed on the engine check light on the dash and are displayed by the number of flashes as well as the speed of the flashes.
    For example, an ECU showing no recorded faults will display code 55. The first digit is shown as 5 long flashes (tens) followed by a pause. This then followed by the second digit - 5 short flashes. Thus Code 55.


    11 - Crank Angle Sensor/Camshaft Position Sensor.
    12- Air Flow Meter/Mass Air Flow Sensor.
    13- Engine Coolant Temperature Sensor.
    14 - Vehicle Speed Sensor.
    21 - Ignition Signal.
    22 - Fuel Pump.
    23 - Idle Switch.
    24 - Throttle Valve Switch.
    25 - Idle Speed Control Valve.
    28 - Cooling Fan Circuit.
    31 - ECM.
    32 - EGR Function.
    33 - Heated Oxygen Sensor.
    34 - Knock Sensor.
    35 - Exhaust Gas Temperature Sensor.
    36 - EGR Control-Back Pressure Transducer.
    37 - Knock Sensor.
    38 - Right hand bank Closed Loop (B2).
    41 - Intake Air Temperature Sensor.
    42 - Fuel Temperature Sensor.
    43 - Throttle Position Sensor.
    45 - Injector Leak.
    47 - Crankshaft Position Sensor.
    51 - Injector Circuit.
    53 - Oxygen Sensor.
    54 - A/T Control.
    55 - No Malfunction.
    63 - No. 6 Cylinder Misfire.
    64 - No. 5 Cylinder Misfire.
    65 - No. 4 Cylinder Misfire.
    66 - No. 3 Cylinder Misfire.
    67 - No. 2 Cylinder Misfire.
    68 - No. 1 Cylinder Misfire.
    71 - Random Misfire.
    72 - TWC Function right hand bank.
    73 - TWC Function right hand bank.
    76 - Fuel Injection System Function right hand bank.
    77 - Rear Heated Oxygen Sensor Circuit.
    82 - Crankshaft Position Sensor.
    84 - A/T Diagnosis Communication Line.
    85 - VTC Solenoid Valve Circuit.
    86 - Fuel Injection System Function right hand bank.
    87 - Canister Control Solenoid Valve Circuit.
    91 - Front Heated Oxygen Sensor Heater Circuit right hand bank.
    94 - TCC Solenoid Valve.
    95 - Crankshaft Position Sensor.
    98 - Engine Coolant Temperature Sensor.
    101 - Front Heated Oxygen Sensor Heater Circuit right hand bank.
    103 - Park/Neutral Position Switch Circuit.
    105 - EGR and EGR Canister Control Solenoid Valve Circuit.
    108 - Canister Purge Control Valve Circuit

  2. #2
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    Brilliant guide Craig! Will try it this afternoon

  3. #3
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    Cant wait for the day when you can plug the iPhone into the consult port, with the suitable app, and read all your codes...................it will happen

  4. #4
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    It's much more likely to happen via Android...

  5. #5
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    If you don't mind, Craig, I might add this to my site...?

  6. #6
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    Well I've just done it, and it showed 3 long flashes and 4 short flashes

    34 - Knock Sensor

    Reset the codes - went for a drive, tested again.

    34 - Knock Sensor

    So it's a recurring fault. Would a Knackered knock sensor cause my lack of power?

    Of if it isn't knackered, and it's doing it's job lol, what would trigger the knock sensor?

  7. #7
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    Timing being out will cause the engine to ping and the knock sensor to register a fault, would also 100% cause your lack of power issues if the timing is out

  8. #8
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    I've had a mooch about on google and found a thread on DW, listing the same problems.

    He replaced the same stuff as me, plugs, fuel filter etc.

    Here's what he was advised to do-

    "you tried resetting the ecu? disconnect the battery for half an hour. sounds like it's switched to the knock map and not realised you've fixed the problem. any stored error codes?"

    I've disconnected my battery for the evening and check it again in the morning.

    It's so annoying finding similar threads but with no conclusion. I will ensure I follow the thread up once I've fixed it it for future refrence.

  9. #9
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    Quote Originally Posted by CMR View Post
    Timing being out will cause the engine to ping and the knock sensor to register a fault, would also 100% cause your lack of power issues if the timing is out
    Makes sense, I'll make that next on my list if the reset doesn't work dude

  10. #10
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    Disconnecting the battery for the evening, or even half an hour, is overkill. Just disconnect then turn the headlights on and off. Any residual power will be removed and the ECU will reset.

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