Pinpoint Tests HN: Turbocharger System: Introduction

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2021 Lincoln Navigator, 2021 Lincoln Nautilus, 2021 Lincoln Corsair, 2021 Lincoln Aviator, and 2021 Ford Transit-350 HD. 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
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)
Bronco Sport 1.5L, EcoSport 1.0L, Escape/Kuga 1.5L, Transit Connect				X
Aviator, Continental, Edge 2.7L, Explorer 3.0L, NautIlus 2.7L			X
Bronco Sport 2.0L, Corsair, Edge 2.0L, Escape/Kuga 2.0L, Expedition, Explorer 2.3L, F-150, Nautilus 2.0L, Navigator, Ranger 2.3L	X
All others		X

Fig 1: Turbocharger Bypass (TCBY) Valve Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
EcoSport	A	2 1	TCBY VPWR
Expedition, Navigator	B	1 2	TCBY VPWR
F-150, Ranger	C	2 1	TCBY VPWR
Transit	D	2 1	TCBY VPWR
All other vehicles	B	2 1	TCBY VPWR

Fig 2: Turbocharger Bypass 2 (TCBY2) Valve Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
2	TCBY2 (Turbocharger Bypass 2)
1	VPWR (Vehicle Power)

Fig 3: Turbocharger Wastegate Motor Bank 1 Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Corsair, Bronco Sport, Escape/Kuga 2.0L	A	2 1 4 5 3	TCWGM1- TCWGM1 + TCWGP1 SIGRTN VREF
Edge, Nautilus 2.0L	B	2 1 4 5 3	TCWGM1- TCWGM1+ TCWGP1 SIGRTN VREF
Expedition, Navigator	B	5 1 2 3 4	TCWGM1- TCWGM1 + TCWGP1 SIGRTN VREF
Explorer 2.3L, F-150 3.5L, Ranger 2.3L	A	1 2 4 5 3	TCWGM1- TCWGM1+ TCWGP1 SIGRTN VREF
F-150 2.7L	A	5 1 3 2 4	TCWGM1- TCWGM1+ TCWGP1 SIGRTN VREF

Fig 4: Turbocharger Wastegate Motor Bank 2 Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Expedition, Navigator	A	5 1 2 3 4	TCWGM2- TCWGM2+ TCWGP2 SIGRTN VREF
F-150 2.7L	B	5 1 3 2 4	TCWGM2- TCWGM2+ TCWGP2 SIGRTN VREF
F-150 3.5L	B	1 2 4 5 3	TCWGM2- TCWGM2+ TCWGP2 SIGRTN VREF

Fig 5: Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Continental, Edge, Nautilus	A	2 1	TCWRVS11 VPWR
Expedition, Navigator, Transit, Transit Connect	B	1 2	TCWRVS11 VPWR
Ford GT, Mustang	C	1 2	TCWRVS11 VPWR
All other vehicles	D	2 1	TCWRVS11 VPWR

Fig 6: Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
1	TCWRVS21 (Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1)
2	VPWR (Vehicle Power)

Fig 7: Wastegate Vacuum Sensor Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	circuit
Aviator, Explorer	A	2 3 1	SIGRTN WVS VREF
All other vehicles	B	2 3 1	SIGRTN WVS VREF

Powertrain Control Module (PCM) Connector

For PCM connector views or Reference values, Refer to Reference Values.

Vehicle	Connector	Pin	Circuit
Aviator, Explorer 3.0L	306 PIN	E5 E7 E15 E80	SIGRTN WVS TCWRVS11 TCBY
Bronco Sport 1.5L, Mustang, Transit Connect	198 PIN	E2 E6	TCWRVS11 TCBY
Continental	198 PIN	E20 E35 E16 E3	SIGRTN WVS TCWRVS11 TCBY
EcoSport 1.0L Automatic Transmission	198 PIN	E16 E3	TCWRVS11 TCBY
EcoSport 1.0L Manual Transmission	198 PIN	E47	TCWRVS11
Edge 2.0L, Nautilus 2.0L	198 PIN	E47 E46 E17 E16 E6	TCWGM1- TCWGM1+ TCWGP1 TCWRVS11 TCBY
Edge 2.7L	306 PIN	E13 B7 B15 E80	SIGRTN WVS TCWRVS11 TCBY
Escape/Kuga 1.5L	198 PIN	E2	TCWRVS11
Expedition High Output, Navigator High Output	198 PIN	E77 E78 E23 E14 E15 E22 E75	TCWGM2- TCWGM2+ TCWGP2 TCWGM1- TCWGM1+ TCWGP1 TCBY
Expedition Base, Navigator Base	306 PIN	E82 E61 E27 E108 E87 E7 E80	TCWGM2- TCWGM2+ TCWGP2 TCWGM1- TCWGM1+ TCWGP1 TCBY
F-150	306 PIN	E25 E4 E78 E67 E68 E75 E102	TCWGM2- TCWGM2+ TCWGP2 TCWGM1- TCWGM1+ TCWGP1 TCBY
Ford GT	198 PIN	E19 E3 E4 E2	TCWRVS21 TCWRVS11 TCBY2 TCBY
Nautilus 2.7L	306 PIN	E20 B7 B15 E80	SIGRTN WVS TCWRVS11 TCBY
Transit	306 PIN	E15 E80	TCWRVS11 TCBY
All other vehicles	198 PIN	E47 E46 E17 E6	TCWGM1- TCWGM1+ TCWGP1 TCBY