Troubleshooting

Illustration 41 g02724356
View of the pin locations on the P1 connector for the
oxygen sensor
(7) Sensor heating ground
(63) Voltage signal
(64) Current pump
(85) Virtual ground
(86) Current adjust
Illustration 42 g03114187
View of the pin locations on the harness connector
for the oxygen sensor (view from the front)
(1) Current pump
(2) Virtual ground
(3) Sensor heating ground
(4) Sensor heating power supply (switched battery +)
(5) Current adjust
(6) Voltage signal
170 UENR0612-07
Circuit Tests
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