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Home >> Infiniti >> 2000 >> QX4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0600: A/T Control >> DTC Confirmation Test (Overall Function Check)

DTC Confirmation Test (Overall Function Check)

Malfunction is detected when ECM receives incorrect voltage from Transmission Control Module (TCM) continuously. Start engine. Measure voltage between ground and ECM harness connector terminals No. 26 and 27 by backprobing. See Figure. Voltage should be 6-8 volts.