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Thread: Reading and erasing GU Patrol fault codes

  1. #1
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    Reading and erasing GU Patrol fault codes

    Infomation Courtesey of Repco Autotech Encyclopedia 2006

    NOTE; This information does not apply to 4.8 litre models.

    Fault Codes

    The 4 digit Fault Codes are displayed in two parts as flashes of the Check Engine Lamp.

    The first part represents the first two digits of the fault code.

    These are displayed as 0.6 second flashes.

    The second part displays the second two digits of the fault code.

    These are displayed as 0.3 second flashes.

    There is a 0.9 second pause between the first and second parts of the code.

    There is a 2.1 second gap between separate codes of different value.

    Multiple codes will flash in order of numerical value, from lowest to highest.

    Fault Code Erasure

    Fault Code Erasure can be carried out with a Compatible Scan Tool or manually.

    Manual Erasure:

    1. Carry out Fault Code Extraction.
    2. While the Fault Codes are being displayed, bridge Diagnostic Connector terminals 1 and 8.
    3. Wait at least two seconds.
    4. Disconnect the bridge between Diagnostic Connector terminals 1 and 8.
    (This will erase the Fault Codes from ECM memory)

    Should the above procedure fail to erase the Fault Codes;

    Disconnect the battery negative cable or remove power to the ECM for 24 hours.

    Ensure that other memory codes are known prior to performing this procedure.

    Fault Code Extraction

    Fault Code Extraction can be carried out with a Compatible Scan Tool or manually.

    Manual Extraction:

    1. Switch ignition ON.
    2. Confirm the Check Engine Lamp illuminates.
    (The system will be in Diagnostic Test Mode I.)
    3. Bridge Diagnostic Connector terminals 1 and 8.
    Confirm the Check Engine Lamp extinguishes.
    4. Wait at least two seconds.
    5. Disconnect the bridge between Diagnostic Connector terminals 1 and 8.
    (The system will be in Diagnostic Test Mode II.)
    6. Read Fault Codes as flashes of the Check Engine Lamp.

    Do not switch ignition off during this procedure or the system returns to Diagnostic Test Mode I.

    Fault Code Table

    Code # Circuit and Status

    0102 Mass Air Flow Sensor
    Circuit, Sensor or ECM failure

    0103 Engine Coolant Temperature Sensor
    (excessively high or low voltage at ECM)
    Circuit, Sensor or ECM failure

    0104 Vehicle Speed Sensor
    (signal not sent when vehicle is in motion)
    Circuit, Sensor or ECM failure

    0203 Accelerator Position Switch (incorrect signal sent to ECM)

    Accelerator Position Switch fault or ECM failure


    0208 Overheating Fault
    Cooling Fan system failure, Engine coolant re-filling procedure not followed,
    Cooling system faulty, Engine lubrication problem

    0301 ECM 2, failure (calculation function is malfunctioning)
    Internal IC failure

    0402 Fuel Temperature Sensor
    (incorrect signal for fuel temperature received)
    Refer to Injection Pump Control Unit
    Circuit, Sensor or ECM failure

    0403 Accelerator Position Sensor
    (out of range signal received from sensor or switch assembly)

    Circuit malfunction, Accelerator Position Sensor failure,
    Accelerator Pedal Dual Contact Position Switch failure, ECM failure

    0406 INT/AIR volume (excessively high signal from Mass Air Flow Sensor)
    Air Duct, Charge Air cooler, Variable Nozzle Turbo Charger Control System,
    Variable Nozzle Turbo Charger, Mass Air Flow Sensor failure, Circuit malfunction

    0407 Crankshaft Position Sensor
    Circuit, Sensor or ECM failure

    0502 Battery voltage (excessively high voltage sent to battery)
    Incorrect jump starting, Battery, Alternator, ECM

    0504 Automatic Transmission Communication Line

    (ECM receives incorrect voltage from Transmission ECM)
    Circuit malfunction, Automatic Transmission ECM

    0505 No faults detected
    Monitored circuits are operating normally

    0701 Camshaft Position Sensor
    (incorrect signal from the Injection Pump Control Unit)
    Refer to Injection Pump Control Unit
    Circuit malfunction, Injection Pump Control Unit

    0702 Top Dead Centre Pulse Signal
    (incorrect signal from the Injection Pump Control Unit)

    Refer to Injection Pump Control Unit
    Circuit malfunction, Injection Pump Control Unit

    0703 Pump Communication Line
    (incorrect signal from the Injection Pump Control Unit)
    Refer to Injection Pump Control Unit
    Circuit malfunction, Injection Pump Control Unit

    0704 Spill Valve Circuit
    Circuit malfunction, Injection Pump Control Unit

    0705 Pump Control Module
    Circuit malfunction, Injection Pump Control Unit failure

    0706 Spill Valve

    Circuit malfunction, Spill Valve, Injection Pump Control Unit

    0707 Fuel Injection Timing Control System
    Circuit malfunction, Injection Pump Control Unit failure, Poor fuel quality

    0802 Barometric Pressure Sensor (built into the ECM)
    Internal circuit malfunction, ECM failure

    0804 ECM internal input signal processing function malfunctioning
    ECM failure

    0807 Brake Light Switch
    Circuit malfunction, Switch failure


    0901 ECM Failure (calculation function is malfunctioning)
    Internal IC failure

    0902 ECM Relay (incorrect voltage received by the ECM from the relay)
    Main Relay malfunction, Circuit malfunction

    0903 ECM Internal input signal processing function malfunctioning
    ECM failure

    0905 Turbo Pressure
    Circuit malfunction, Charge Air Pressure Sensor failure

    1003 EGR Volume Control Valve
    Circuit malfunction, EGR Volume Control Valve failure

    1004 Fuel Cut System
    Circuit malfunction, Injection Pump Control Unit failure, ECM failure

    1401 to
    1408 Nissan Anti Theft System



    Diagnostic link connector, the white connector just to the left and down from bonnet release lever.

    Tony
    Last edited by YNOT; 5th September 2010 at 12:18 PM. Reason: making it easier to read

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  4. #2
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    Spot on mate, great post.this is going to help me a dam heap. Thanks mate.

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    exactly what i was looking for top info thanks tony

  6. #4
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    Hi all,

    I have a Nissan Patrol 2008 ST and my OBDII connector doesn't have pin 1 connected. I only have 4,5,6,7,8,9,12,13,14,16.

    Does anybody know how to do this with the later Patrols???

    Thanks

  7. #5
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    Thank you, Tony. This is much appreciated info.
    2006 Auto GU IV DX 3.0l TD

  8. #6
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    Great info YNOT. Don't need it now but certainly great for future reference. Thanks

  9. #7
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    hi are the terminals numbered left to right across the top and then left to right across the bottom?
    cheers mav
    Last edited by mav345; 25th April 2012 at 03:10 PM.

  10. #8
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    Thank you, Tony. This is much appreciated info.
    Cheers Andrew

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    cheers bro

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