Sensor Operating Specifications

NOTE: Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure.

NOTE: Air temperature sensor is mounted on intake air box. For sensor specifications, see Fig 1.

Fig 1: Air Temperature Sensor Specifications Chart

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COLD START INJECTOR RESISTANCE SPECIFICATIONS

Application

⁽¹⁾ Ohms

Tercel

2.0-4.0

⁽¹⁾	Measure resistance between injector terminals.

COLD START INJECTOR TIME SWITCH RESISTANCE SPECIFICATIONS

Terminals	Temperature: °F (°C)	Ohms
STA-STJ	Below 86 (30)	20-40
"	Above 104 (40)	40-60
STA-Ground	N/A	20-80

NOTE: For coolant temperature sensor specifications, see Fig 2.

Fig 2: Coolant Temperature Sensor Specifications

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

EGR GAS TEMPERATURE SENSOR SPECIFICATIONS

Temperature: °F (°C)

⁽¹⁾ Ohms

122 (50)

69.40-88.50

212 (100)

11.89-14.37

302 (150)

2.79-3.59

⁽¹⁾	Measure resistance between sensor terminals.

FUEL INJECTOR RESISTANCE SPECIFICATIONS

Application

⁽¹⁾ Ohms

Tercel

Approx. 13.8

⁽¹⁾	Measured across terminals at 68°F (20°C).

TPS RESISTANCE SPECIFICATIONS

Terminal	Clearance: In. (mm)	Ohms
VTA & E2	0 (0)	200-800
"	Fully Open	3300-10,000
IDL & E2	.020 (.50)	2300 Or Less
"	.028 (.70)	Infinity
VC & E2	N/A	3000-7000

VACUUM SENSOR SPECIFICATIONS ⁽¹⁾

Vacuum: In. Hg

⁽²⁾ Voltage Drop

3.94

.3-.5

7.87

.7-.9

11.81

1.1-1.3

15.75

1.5-1.7

19.69

1.9-2.1

⁽¹⁾	Vacuum sensor is also known as MAP sensor.

⁽²⁾	Voltage drop is from measured voltage of pressure sensor (harness connector terminals VCC and E2). Measure voltage between ECU connector terminals PIM and E2. See I - SYS/COMP TESTS article in this section.