Toyota RAV4 Service Manual: Deterioration of battery
Description
The ecm determines the battery power according to the voltage of the batt terminal while the engine is running (not cranking).
Inspection procedure
- Inspect battery
- Inspect the battery specific gravity.
- Check the specific gravity of each cell.
Standard gravity: 1.25 To 1.29 At 20°c (68°f)
- Inspect the battery voltage.
- After the vehicle is driven for 20 minutes, stop the engine.
- Turn the ignition switch on, and turn on the headlights, blower fan and defogger for 1 minute.
- Turn the ignition switch off.
- Measure the battery voltage.
Standard voltage: 9.6 V or more
Battery current sensor circuit
Description
The battery current sensor installed on the positive (+) battery terminal
detects the amount of current
supplied from the generator.
The battery current sensor changes curre ...
Throttle actuator control motor circuit
Description
The throttle actuator is operated by the ecm and opens and closes the
throttle valve using gears.
The opening angle of the throttle valve is detected by the throttle position (tp ...
Other materials:
The keys
The following keys are provided with the vehicle.
Vehicles without a smart key system (type a)
Master keys
Operating the wireless remote control
function
Valet key
Key number plate
Vehicles without a smart key system (type b)
Master keys
Operating the wireless r ...
Terminals of ecm
Hint:
The standard normal voltage between each pair of ecm
terminals is shown in the table below. The appropriate
conditions for checking each pair of terminals are also
indicated. The result of checks should be compared with the
standard normal voltage for that pair of terminals, displayed ...
General maintenance
Listed below are the general maintenance items that should be
performed at the intervals specified in the “owner’s warranty
information booklet” or “owner’s manual supplement/scheduled
maintenance guide”. It is recommended that any problem
you notice should be brought to the attentio ...