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[GUIDE] 2UZ-FE ECU Pinout & Wiring Reference (Toyota V8)

Common Pinout Pitfalls

two distinct generations

There are of 2UZ-FE ECUs:

Connector D (Blue) – Can Bus & Diagnostics

2UZ-FE ECU Pinout Guide: Wiring Wisdom for Toyota’s Legendary V8

• Set multimeter to DC Volts.
• Back-probe +BM (C7) . Should read 12V at all times (battery direct).
• Turn key to ON. Probe +B (A1) . Should read 12V.