Q45 V8-4494cc 4.5L DOHC (VH45) (1992)
Engine Control Module: Pinout Values and Diagnostic Parameters
Fig. 9 E.C.U. Harness Connector
Remove the E.C.U. harness protector, then test E.C.U. voltage using appropriate voltmeter. Perform test with connectors connected. Refer to Figs. 9
through 10, for proper voltage.
Fig. 10 E.C.U. Voltage Testing Procedure (Part 1 Of 4)