T100 SR5 Extra Cab Pickup 2WD V6-3.4L (5VZ-FE) (1997)
Temperature Gauge: Testing and Inspection
1. INSPECT RECEIVER GAUGE OPERATION
a. Disconnect the connector from the sender gauge.
b. Turn the ignition switch ON, check that the receiver gauge needle indicates COOL.
c. Ground terminal on the wire harness side connector through a 3.4 W test bulb.
d. Turn the ignition switch ON, check that the bulb lights up and the receiver gauge needle moves to the hot side.
If operation is as specified, replace the sender gauge. Then, recheck the system.
If operation is not as specified, measure the receiver gauge resistance.
2. INSPECT RECEIVER GAUGE RESISTANCE
Measure the resistance between terminals.
w/ Tachometer
Between terminals
Resistance (Ohms)
A - B
Approx. 150.0
A - C
Approx. 54.0
B - C
Approx. 138.0
w/o Tachometer
Between terminals
Resistance (Ohms)
A - B
Approx. 25.0