Pinpoint Test Tr: Electric Vehicle (EV) Mode Switch: Introduction

WARNING: TO PREVENT THE RISK OF HIGH-VOLTAGE SHOCK, ALWAYS FOLLOW PRECISELY ALL WARNINGS AND SERVICE INSTRUCTIONS, INCLUDING INSTRUCTIONS TO DEPOWER THE SYSTEM. THE HIGH-VOLTAGE SYSTEM UTILIZES APPROXIMATELY 300 VOLTS DC, PROVIDED THROUGH HIGH-VOLTAGE CABLES TO ITS COMPONENTS AND MODULES. THE HIGH-VOLTAGE CABLES AND WIRING ARE IDENTIFIED BY ORANGE HARNESS TAPE OR ORANGE WIRE COVERING. ALL HIGH-VOLTAGE COMPONENTS ARE MARKED WITH HIGH-VOLTAGE WARNING LABELS WITH A HIGH-VOLTAGE SYMBOL. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH.

This pinpoint test is intended to diagnose the following:

harness circuits: EVM
EV mode switch
TCM (7B012)

Fig 1: Identifying EV Mode Switch Connector Terminals
Courtesy of FORD MOTOR CO.

Pin	Circuit
12	GND (Ground)
4	EVM (Electric Vehicle Mode)

Fig 2: Identifying Transmission Control Module-A Connector Terminals

Courtesy of FORD MOTOR CO.

Pin	Circuit
27	EVM (Electric Vehicle Mode)