IN−6 − INTRODUCTION REPAIR INSTRUCTIONS (k) Care must be taken when jacking up and supporting the vehicle. Be sure to lift and support the vehicle at the prop- er locations (See page IN−8 ). Cancel the parking brake on the level place and shift the transmission in N position. When jacking up the front wheels of the vehicle, at first place stoppers behind the rear wheels. When jacking up the rear wheels of the vehicle, at first place stoppers before the front wheels. When either the front or rear wheels only should be jacked up, set rigid racks and place stoppers in front and behind the other wheels on the ground. After the vehicle is jacked up, be sure to support it on rigid racks.
It is extremely dangerous to do any work on a vehicle raised on a jack alone, even for a small job that can be finished quickly. (l) Observe the following precautions to avoid damage to the following parts: (1) Do not open the cover or case of the ECU unless absolutely necessary. (If the IC terminals are touched, the IC may be destroyed by static electric- ity.) WRONG CORRECT (2) To disconnect vacuum hoses, pull off the end, not the middle of the hose. IN0253 WRONG CORRECT (3) To pull apart electrical connectors, pull on the con- nector itself, not the wires. (4) Be careful not to drop electrical components, such as sensors or relays.
If they are dropped on a hard floor, they should be replaced and not reused. (5) When steam cleaning an engine, protect the elec- tronic components, air filter and emission−related components from water. (6) Never use an impact wrench to remove or install temperature switches or temperature sensors. IN0252 2000 LEXUS LX470 (RM745U) 6 Author : Date: