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Home >> Audi >> 1992 >> 100 Base, 2.8 J, Automatic >> Repair and Diagnosis >> Engine Performance >> Sensor Range Charts >> Engine Controls - Sensor Operating Range Charts >> Sensor Range Charts

Sensor Range Charts

NOTE: Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance.
ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE

Temperature Ohms
68°F (20°C) Approximately 2500
176°F (80°C) Approximately 330
CRANKSHAFT POSITION (CKP) SENSOR RESISTANCE

Terminals Ohms
1 & 2 1000
1 & 3 0
2 & 3 0
CLOSED THROTTLE SWITCH RESISTANCE

Terminals Ohms @ Closed Throttle Ohms @ Slightly Open Throttle
4 & 6 0 Infinite
THROTTLE POSITION SENSOR (TPS) RESISTANCE

Terminals Ohms @ Idle Ohms @ Wide Open Throttle
1 & 2 1500-2600 N/A
2 & 3 750-1300 3600
MASS AIRFLOW SENSOR TEST

Condition (1) Volts
Key On Engine Off Approx. 0.3-1.1
Engine Running Approx. 1.5-3.4
(1) Backprobe connector terminals No. 1 and 2.
OXYGEN SENSOR VOLTAGE

Condition (1) Volts
Lean Approx. 0.2
Rich Approx. 0.7
(1) Measured between connector terminal and ground.