The code is a two-digit number, represented by a series of long blinks for the first digit, immediately followed by a series of quick blinks for the second digit. Now that you’ve gotten your car into diagnostics mode, you need to read the blinking lights to see what codes are displayed.
#Z32 ecu diagnostics how to#
If you used the third method, you’ve got your code, so you can skip down to the Code Index below to see what each one means and how to fix it. The program will check the ECU for codes and display them and their meaning. Turn the key to “ON” (you can start the car if you want, but there’s really no point).į. This assumes you’ve already done all this.ī.Ĝonnect the Consult cable to the Consult Port on your car, and plug it into your computer.Ĭ.
#Z32 ecu diagnostics software#
Refer to the software instructions for details on installing the software, installing drivers, etc. I’ll show this using Nissan Datascan (since that’s what I have).Ī. Software includes Conzult, Nissan Datascan, and several others. You can do this with a computer and a BlaZt Cable, for example. The easiest way of checking codes is using the Consult system. Once the jump is removed, the CEL will start blinking codes. This is essentially the same as turning the potentiometer on the ECU.ĭ. Hold the jump for three seconds, then remove the jump. Using a paperclip, or small wire, jump the connection between pins 8 and 9 on the Consult connector, as shown below:Ĭ. If you can’t seem to find it, fish around behind the trim piece a little, as it may have popped off its post in the past.ī. It’s a gray connector on the driver’s side right next to the hood pull lever. You can also enter Mode II without even touching the floor board.Ī. Check for these things and try again after cycling the key. LED won’t turn off? This could mean the potentiometer is already moved to Mode II or partway in-between, or the car is running. Wait 3 seconds with it in this position, then turn it all the way to the left (counterclockwise). Don’t over-turn it, it doesn’t take much effort to turn at all, and the light will turn off.Į. Turn the potentiometer on the ECU all the way to the right (clockwise). Turn the key to the “ON” position (don’t start it).ĭ. Remove the four 10mm bolts holding the wooden ECU cover down, and remove the wooden cover.Ĭ. Pull back the carpet in front of the passenger seat from the top (closest to the dash). Here’s how to enter diagnostics mode directly at the ECU:Ī. Mode I (all the way counter-clockwise) is normal operation. The dial has two positions: Mode I and Mode II. Next to it is a small dial with a slot called a potentiometer. On the ECU itself is a red LED diagnostics mode light. ECU Diagnostics Potentiometer (LED and CEL): The first thing you need to do is check which, if any codes, are being thrown by your ECU. This guide will explain how to check, solve, and clear diagnostics codes on your Z32. Whenever you get a Check Engine Light (CEL) or your car is acting funny, the first thing you should do is run codes. The Ultimate Guide to Z32 Self-Diagnostics This message has been viewed 71653 times.
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