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Sensor Operating Specifications

COOLANT TEMPERATURE SENSOR RESISTANCE (1)

Temperature - °F (°C) Ohms
68 (20) 2100-2900
122 (50) 680-1000
176 (80) 300-330
(1) Measure resistance across sensor terminals.
EGR TEMPERATURE SENSOR RESISTANCE (1)

Temperature - °F (°C) Ohms
212 (100) 76,770-93,830
(1) Heat sensor in water and measure resistance across sensor terminals.
HEATED OXYGEN SENSOR (HO2S) VOLTAGE (1)

Condition Volts
Lean 0-0.3
Rich 0.6-1.0
(1) Measure voltage between HO2S center terminal and ground, voltage should continuously change.
HEATED OXYGEN SENSOR (HO2S) RESISTANCE (1)

Condition Ohms
Q45 3-1000
(1) Measure resistance between HO2S outer terminals.
THROTTLE POSITION SENSOR RESISTANCE

Application (1) Ohms
Q45 (2)
Completely Released 700
Partially Released 700-5000
Completely Depressed 5000
(1) Approximate values are given.
(2) Check resistance between terminal "b" (White wire) and "c"(Red/White wire).
SECONDARY TP SENSOR SPECIFICATIONS

Secondary Throttle Valve Position (1) Ohms Volts
Fully Open About 5000 4.4-4.6
Partially Open 700-5000 0.4-4.6
Fully Closed About 700 0.4-4.0
(1) Ensure ignition is off.
MASS AIRFLOW SENSOR VOLTAGE SPECIFICATIONS (1)

Application (2) Key On Volts Engine Running Volts
Q45 (3) Approx. 0.2 1.0-1.4
(1) Engine at normal operating temperature.
(2) Engine off.
(3) Voltage is measured between terminal No. 1 and ground. Refer to Fig. Fig 1 below.
Fig 1: Mass Airflow Sensor Terminal ID (Q45)
G95E31926Courtesy of NISSAN MOTOR CO., U.S.A.
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