PINPOINT TEST DN: Pressure and Temperature Sensors: Introduction

WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

turbocharger boost pressure (TCBP)/charge air cooler temperature (CACT) sensor (9F479)
manifold absolute pressure (MAP)/intake air temperature 2 (IAT2) sensor (9F479)
harness circuits: CACT, IAT2, MAP, TCBP, SIGRTN and VREF
powertrain control module (PCM) (12A650)

Fig 1: Identifying Turbocharger Boost Pressure/Charge Air Cooler Temperature (TCBP/CACT) Sensor Connector

Courtesy of FORD MOTOR CO.

Fig 2: Identifying Manifold Absolute Pressure/Intake Air Temperature 2 (MAP/IAT2) Sensor Connector

Courtesy of FORD MOTOR CO.

Powertrain Control Module (PCM) Connector

For PCM connector views or reference values, refer to REFERENCE VALUES .

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PINS REFERENCE CHART

Vehicle	Connector	Pin	Circuit
F-150	198 PIN	E34 B74 E20 E33 B32 B34	MAP TCBP SIGRTN IAT2 CACT SIGRTN
All other vehicles	190-PIN	E40 E38 E49 E31 E24 E49	MAP TCBP SIGRTN IAT2 CACT SIGRTN