“The ‘M’ has a “DIAGNOSTIC MODE” that is not documented. Follow these steps to enter [at your own risk] into the diagnostic mode. – Start Engine [required if you want to see all available diagnostic options]– Turn OFF the Audio system– While pushing the SETTING button, rotate the radio’s VOLUME control either clockwise or counter-clockwise […]
Z32: ECU Diagnostic/O2 Sensor Test
This write-up explains how to check the codes of the ECU in a ’90-’95 300ZX. You guys with the ’96 300ZX have the OBDII system. Tools Needed: – 10mm socket or Phillips screwdriver – Flathead screwdriver Procedure 1. Pull back the floor mat. 2. Pull back the carpet. It is held down with three Velcro […]
