Variable Resistor (W/O Twc - Toyota 4A-FE Repair Manual

Fl-142
Variable Resistor
vcc
VAF
E2
4A-FE
Voltmeter
EFI SYSTEM - Electronic Control System
Variable Resistor (w/o TWC)
ECU
+B
(+B)
vcc
VAF
E2
INSPECTION OF VARIABLE RESISTOR
1. INSPECT VOLT AGE OF VARIABLE RESISTOR
Fl1402
la)
Using
a
voltmeter, measure the voltage between ECU
terminals VCC and E2.
Voltage: 4 - 6 V