Oxygen Sensors (02S)

For testing information on front and rear 02S, see SELF-DIAGNOSTICS article.

THROTTLE POSITION (TP) SENSOR VOLTAGE ⁽¹⁾

Vehicle & Terminal

⁽²⁾ Volts

All Models

ECM Connector B136 Terminal No. 17

Throttle Closed

0.2-1.0

Throttle Open

4.2-4.7

ECM Connector B136 Terminal No. 16

Zero

ECM Connector B136 Terminal No. 15

5.0

⁽¹⁾	For further testing, see SELF-DIAGNOSTICS article.

⁽²⁾	Backprobe between specified ECM harness connector terminal and ground.

VEHICLE SPEED SENSOR (VSS) VOLTAGE ⁽¹⁾

Application

ECM Connector Terminal No. ⁽²⁾

All Models

⁽¹⁾	Turn ignition on. Connect DVOM between indicated terminal and ground. Slowly rotate drive wheels. Voltage should fluctuate between zero and about 5 volts.

⁽²⁾	Terminal is located at ECM connector B135.