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Home >> Mazda >> 1989 >> 626 Base >> Repair and Diagnosis >> Engine Performance >> Specifications - 4-CYL >> Fuel Pump >> Throttle Position Sensor (TPS)
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Throttle Position Sensor (TPS)

TPS VOLTAGE

RED Wire Voltage BLUE Wire Voltage: Closed Throttle BLUE Wire Voltage: Wide Open Throttle
4.50-4.59 .37-.54 3.58-4.23
4.60-4.69 .38-.55 3.66-4.32
4.70-4.79 .39-.56 3.74-4.41
4.80-4.89 .40-.57 3.82-4.51
4.90-4.99 .40-.58 3.90-4.60
5.00-5.09 .41-.60 3.97-4.70
5.10-5.19 .42-.61 4.05-4.79
5.20-5.29 .43-.62 4.13-4.88
5.30-5.39 .44-.63 4.21-4.98
5.40-5.49 .44-.64 4.29-5.07
5.50 .44-.66 4.29-5.17
TPS ADJUSTMENT

Condition (1) Continuity Between IDL-TL Continuity Between PSW-TL
.02" (.5 mm) Yes No
.03" (.7 mm) No No
Wide Open Throttle No Yes
(1) Insert specified thickness gauge between throttle adjustment screw and stop lever.
TPS VOLTAGE

Terminal Throttle Valve Closed Throttle Valve Fully Open
A .3-.7 Volts About 4.0 Volts
B Below 1.5 Volts Below 1.5 Volts
C 4.5-5.5 Volts 4.5-5.5 Volts
D Below 1.5 Volts About 12 Volts
TPS RESISTANCE

Terminal Throttle Valve Closed Throttle Valve Fully Open
A & B About 500 Ohms About 4500 Ohms
B & C 3000-7000 Ohms 3000-7000 Ohms