Tacoma Extra Cab 4WD L4-2.7L (3RZ-FE) (1999)
Four Wheel Drive Selector Switch: Testing and Inspection
INSPECTION
1. INSPECT 2-4 SELECTOR SWITCH CONTINUITY
If continuity is not as specified, replace the shift lever knob.
2. INSPECT ACTUATOR RESISTANCE
a. Using an ohmmeter, measure the resistance between terminals 2 and 3.
Standard resistance: 0.3 - 100 Ohms
b. Using an ohmmeter, measure the resistance between terminals 2 or 3 and body ground.
Standard resistance: More than 0.5 M Ohms
If resistance value is not as specified, replace the actuator assembly.