Pinpoint Test HN: Turbocharger System: Introduction

WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2020 Lincoln Navigator, 2020 Lincoln Nautilus, 2020 Lincoln MKZ, 2020 Lincoln Corsair, and 2020 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: While conducting tests on a hot engine take all safety precautions to prevent skin contact with hot engine components. Failure to follow these instructions may result in personal injury

WARNING: Strict observance of posted speed limits and driving conditions is mandatory when proceeding through the following drive cycles.
Failure to follow these instructions may result in personal injury.

NOTE: To recreate the original conditions that set the DTC or caused the symptom, the vehicle may require driving

This pinpoint test is intended to diagnose the following:

turbocharger bypass (TCBY) valve (9K378)
turbocharger bypass 2 (TCBY2) valve (9K378)
turbocharger wastegate regulating valve bank 1 solenoid 1 (9961 pressure actuated, 9E882 vacuum actuated)
turbocharger wastegate regulating valve bank 2 solenoid 1 (9961 pressure actuated, 9E882 vacuum actuated)
turbocharger wastegate motor (9G488)
wastegate vacuum sensor (9F479)
leaks or restrictions in the intake air system and charge air cooler (CAC)
PCM (12A650)

TURBOCHARGER TYPE

Vehicles	Electric Actuated Wastgate	Pressure Actuated Wastegate	Vacuum Actuated Wastegate (Normally Closed)	Vacuum Actuated Wastegate (Normally Open)
EcoSport 1.0L, Escape/Kuga 1.5L, Fusion 1.5L, Transit Connect				X
Aviator, Continental, Edge 2.7L, Explorer 3.0L, F-150 2.7L, Fusion 2.0L, Fusion 2.7L, MKZ, NautIlus 2.7L			X
Corsair, Edge 2.0L, Escape/Kuga 2.0L, Expedition, Explorer 2.3L, F-150 3.5L, Nautilus 2.0L, Navigator, Ranger 2.3L	X
All others		X

Fig 1: Turbocharger Bypass (TCBY) Valve Connector

Courtesy of FORD MOTOR CO.

Harness Side

Circuit	Pin
VPWR (Vehicle Power)	1
TCBY (Turbocharger Bypass)	2

Fig 2: Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector

Courtesy of FORD MOTOR CO.

Harness Side

Circuit	Pin
VPWR (Vehicle Power)	2
TCWRVS11 (Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1)	1

Fig 3: Powertrain Control Module (PCM) Connector - For PCM Connector Views

Courtesy of FORD MOTOR CO.

Harness Side

Circuit	Pin
TCBY (Turbocharger Bypass)	E6
TCWRVS11 (Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1)	E2