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4B1–30DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY) Front Axle Diagnosis D When the 4WD switch is operated from 4H to 2H, Step Action Yes No 1 Drive slow 100 — 200m after a few minutes” idling. Has indicator light gone out? All right. Go to Step 2 2 Jack up front tires. Does the right side of front wheel rotate when the left side of front Go to Step 4 Go to Step 3 3 1. Check the actuator switch. Was a problem found? Trace this chart from the start after repair or replace. Disassemble axle ASM for check. Trace this chart from the start after repair or replace. 4 1. Check the VSV valve. Was a problem found? Trace this chart from the start after repair or replace. Go to Step 5 5 Is vacuum piping all right? (tank, hose, & pipe damage or trouble) Go to Step 6 Trace this chart from the start after repair or replace. 6 Does actuator work all right? Trace this chart from the start. Disassemble axle ASM for check. Trace this chart from the start after repair or replace. |