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PINPOINT TEST DZ: Universal Heated Oxygen Sensor (HO2S): Introduction: Notes

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:

Vehicle Connector Pin Circuit
Edge 3.5L,
Edge 3.7L,
Explorer 3.7L,
Explorer TiVCT 3.5L,
F-150 3.7L,
Flex TiVCT 3.5L,
MKS 3.7L,
MKT 3.7L,
MKX,
MKZ 3.7L,
Mustang 3.7L,
Taurus TiVCT 3.5L,
Taurus 3.7L
A 7
1
3
6
5
2
UO2SPCT
UO2SPC
VPWR
UO2SGREF
UO2S
UO2SHTR
Escape 2.5L,
Fusion 2.5L,
Transit Connect 2.5L
B 6
1
5
4
2
UO2SPC
VPWR
UO2SGREF
UO2S
UO2SHTR
All other vehicles C 5
1
4
2
6
3
UO2SPCT
UO2SPC
VPWR
UO2SGREF
UO2S
UO2SHTR