![]() Using a small screwdriver or tool, move it to the diagnostics position. A small toggle switch is behind it with 2 positions, "ON" and "DIAGNOSTICS". There is a little plastic tab you pull off of the side of the ECU(facing the door). Light is flashing and the ECU will keep all stored codes and the check engine light will remain on.Ģ. To keep the codes stored, simply turn the key off as the check engine Wait 5 seconds, then turn the screw fully counter clockwise.ĥ. To clear all stored codes and turn the check engine light off, turn the screw fully clockwise while it is in diagnostic mode. (number of long flashes is the 1st digit, number of short flashes is the 2nd digit)Ĥ. The check engine light will then begin to flash the trouble code. Wait 5 seconds, then turn the screw fully counter clockwise.ģ. Turn the 'diagnostic mode selector' screw on the ECU fully clockwise. All of the lights in the dash should be on.Ģ. Turn the ignition switch on, but do not start the engine. This is where the LED lights are visible on top of the ECU.ġ. Remove that and the cover will pull off.ĭiagnostic selector switch with switch cover removed and set on top of the ECU. Seat removed ECU in place on the floor with cover. VG30E ECU's have a slotted round switch in the same place as the toggle switch. Pictures: This is the ECU from my very dirty (and wrecked) 89 VG30i Pathfinder. The 4-cylinder ECU has a slotted switch that turns 1/4 or 1/2 turn clockwise and counterclockwise to do the same task. The early VG30E and VG30i ECU's have a tiny toggle switch on the side of the ECU with a small snap-in switch cover that must be utilized to select the diagnostic mode of the ECU. ![]() You can also remove the seat if you want, it makes access a little easier. ![]() You can gain access to it by simply sliding the seat all the way forward and removing the plastic cover from the ECU. The ECU is under your passenger's side seat. How to pull ECU error codes for 87-95 Pathfinders and hardbody pickups: 13 Engine Coolant Temperature Sensor CircuitĢ1 Ignition Signal Missing in Primary Coilġ1 Crank Angle Sensor/Camshaft Position Sensorħ6 Fuel Injection System Function right hand bankĨ6 Fuel Injection System Function right hand bankĨ7 Canister Control Solenoid Valve Circuitĩ1 Front Heated Oxygen Sensor Heater Circuit right hand bankġ01 Front Heated Oxygen Sensor Heater Circuit right hand bankġ05 EGR and EGR Canister Control Solenoid Valve Circuit ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |