Repair and Diagnosis: Service Precautions
PRECAUTIONS BEFORE SERVICESERVICING ELECTRICAL SYSTEM
WARNING: Battery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
1. Note the following before proceeding with working on the electrical system.
Never perform unauthorized modifications to any electrical device or wiring. Such modifications might lead to a vehicle malfunction, over-capacity or short-circuit that could result in a fire in the vehicle.
CAUTION
- Before connecting or disconnecting the negative battery cable, be sure to turn the ignition switch to the "LOCK" (OFF) position and turn off the lights. (If this is not done, there is the possibility of semiconductor parts being damaged.)
- After completion of the work (and the negative battery terminals is connected), warm up the engine and allow it to idle for approximately 10 minutes under the conditions described below in order to stabilize engine control conditions, and then check to be sure that the idle is satisfactory.
2. When servicing the electrical system, disconnect the negative cable terminal from the battery.
Engine coolant temperature: 85 - 95 °C (185 - 203 °F)
Lights and all accessories: OFF
Transmission: N or P position
Steering wheel: straight-forward position
VEHICLE WASHING
If high-pressure car-washing equipment or steam car-washing equipment is used to wash the vehicle, be sure to maintain the spray nozzle at a distance of at least approximately 40 cm (16 inches) from any plastic parts and all opening parts (doors, luggage compartment, etc.).
APPLYING ANTI-CORROSION AGENT OR OTHER UNDERCOAT AGENTS
Be careful not to apply oil or grease to the heated oxygen sensor. If applied the sensor may malfunction. Protect the heated oxygen sensor with a cover before applying anti-corrosion agent, etc.
SCAN TOOL (MUT-II)
CAUTION: Turn the ignition switch to "LOCK" (OFF) position before disconnecting or connecting the scan tool.
To operate the scan tool, refer to "MUT-II Operating Instructions."