Pinpoint Test Dz: Universal Heated Oxygen Sensor (Ho2S): Introduction

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2018 Lincoln Navigator, 2018 Lincoln MKZ, 2018 Lincoln MKX, 2018 Lincoln MKT, and 2018 Lincoln MKC. 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.

NOTE: Only diagnose the suspect universal HO2S indicated by the DTC.

This pinpoint test is intended to diagnose the following:

universal HO2S (9Y460)
harness circuits: UO2S, UO2SGREF, UO2SHTR, UO2SPC, UO2SPCT, and VPWR
PCM (12A650)

Fig 1: Universal HO2S Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Continental 3.7L, E-Series, Edge 3.5L, Explorer 3.7L, Explorer TiVCT 3.5L, F-650/F-750, F-Series Super Duty 6.8L, Flex TiVCT 3.5L, Fusion 2.5L, MKT 3.7L, MKX 3.7L, Motorhome/Stripped Chassis/Step Van, Mustang 5.2L, Taurus 3.7L, Taurus TiVCT 3.5L, Transit 3.7L, Transit Connect	A	6 1 5 4 2	UO2SPC VPWR UO2SGREF UO2S UO2SHTR
Escape/Kuga 2.5L	B	3 4 1 2 5	UO2SPC VPWR UO2SGREF UO2S UO2SHTR
Escape/Kuga 1.5L	C	6 2 4 1 5 3	UO2SPCT UO2SPC VPWR UO2SGREF UO2S UO2SHTR
F-150 3.3L, F-150 5.0L, Mustang 5.0L	D	3 4 1 2 5	UO2SPC VPWR UO2SGREF UO2S UO2SHTR
Fiesta GTDI 1.6L	E	5 1 4 2 6 3	UO2SPCT UO2SPC VPWR UO2SGREF UO2S UO2SHTR
All other vehicles	C	5 1 4 2 6 3	UO2SPCT UO2SPC VPWR UO2SGREF UO2S UO2SHTR

Powertrain Control Module (PCM) Connector

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

Vehicle	Connector	Pin	Circuit
Continental 2.7L, Continental 3.0L, Edge 2.7L, Explorer GTDI 3.5L, Flex GTDI 3.5L, Ford GT, Fusion 2.7L, MKT 3.5L, MKX 2.7L, MKZ 3.0L, Taurus GTDI 3.5L, Transit 3.5L	198 PIN	E64 E62 E49 E47 E14 E15 E63 E61 E48 E46	UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21
Continental 3.7L, E-Series, Edge 3.5L, Explorer TiVCT 3.5L, Explorer 3.7L, F-650/F-750, F-Series Super Duty 6.8L, Flex TiVCT 3.5L, MKT 3.7L, MKX 3.7L, Motorhome/Stripped Chassis/Step Van, Taurus TiVCT 3.5L, Taurus 3.7L, Transit 3.7L	198 PIN	E50 E51 E20 E21 E79 E84 E35 E36	UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21
EcoSport 1.0L Manual Transmission, Fiesta 1.0L, Fiesta GTDI 1.6L	198 PIN	E26 E25 E1 E39 E40	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11
Escape/Kuga 1.5L	198 PIN	E51 E37 E76 E52 E53	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11
Escape/Kuga 2.5L	198 PIN	E27 E26 E69 E23	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11
Expedition, F-150 3.5L, Navigator	198 PIN	E64 E66 E49 E51 E44 E11 E62 E63 E47 E48	UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21
F-150 2.7L	306 PIN	T59 T60 T44 T45 T76 T46 T29 T30 T14 T15	UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21
F-150 3.3L, F-150 5.0L, Mustang 5.0L	306 PIN	T59 T60 T44 T45 T76 T46 T29 T30	UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21
F-Series Super Duty 6.2L	198 PIN	E50 E51 E20 E21 E79 E84 E35 E36 E65 E66	UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21
Fiesta TiVCT 1.6L	128 PIN	E7 E19 E47 E8 E20	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11
Focus GDI 2.0L	154 PIN	E89 E65 E72 E64 E88	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11
Fusion 2.5L, Transit Connect	198 PIN	E36 E21 E93 E6	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11
Mustang 2.3L	198 PIN	E31 E32 E76 E33 E34	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11
Mustang 5.2L	198 PIN	E51 E50 E21 E20 E84 E79 E36 E35	UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21
All other vehicles	198 PIN	E64 E49 E14 E63 E48	UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11