How do you find the Diagnostic Code on a Nissan?
After it blinks both LED’s 3 times move the toggle switch back to the on position. After about five seconds it will start to output out the diagnostic codes as with the 4-cylinder ECU. Note each code as it is displayed, the red LED flashing once for 10’s, and the green LED flashing once for 1’s.
What causes the error code p1320 on an ignition coil?
There are many possible causes for this error code, such as: Defective power transistor unit built into ignition coil Open or shorted ignition primary circuit (circuit to signal coils) Poor electrical connection in ignition primary circuit (circuit to signal coils)
When do you get an ignition code error?
This code is set when the ignition signal in the primary circuit is not sent to the PCM (powertrain control module, also known as ECM or engine control module in other vehicle makes) during engine cranking or running. This error code is a manufacturer-specific trouble code, meaning it does not apply to all vehicles makes.
What does code 12.4 mean on Nissan OBD?
Meaning: One red flash and two green flashes means code 12. 4. To clear the ECU of any trouble codes, move the switch to the “DIAGNOSTICS” position then back to the “ON” position and turn off the key.
What are the sensors on a Pathfinder Pathfinder?
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.
Where is the diagnostic selector switch on a pathfinder?
Diagnostic selector switch with switch cover removed and set on top of the ECU. This is where the LED lights are visible on top of the ECU. 1. Turn the ignition switch on, but do not start the engine. All of the lights in the dash should be on. 2. Turn the ‘diagnostic mode selector’ screw on the ECU fully clockwise.
When to complete self diagnostics for Pathfinder 87-95?
If the RED LED stays off, the mixture is more than 5% rich. If the RED LED stays on, the mixture is more than 5% lean. If the RED LED stays on or off above 2000 RPM, complete the diagnostics before beginning repairs. Use Mode III to retrive all stored trouble codes in memory.
How to diagnose an ECU 87-95 Pathfinder?
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.