Toyota RAV4 Service Manual: Deterioration of battery

Toyota RAV4 Service Manual / 2Az-fe engine mechanical / Sfi system / Diagnostic trouble code chart / 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).

Toyota RAV4. Deterioration of battery

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:

Cruise control switch circuit
Description This circuit sends signals to the ecm depending on the cruise control switch condition. The battery supplies positive (+) battery voltage to the cruise control switch. Then terminal ccs of the ecm receives the voltage according to the switch condition. Wiring diagram Inspect ...

Only back door lock / unlock functions do not operate
Description The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly. Wiring diagram Inspection procedure Inspect back door with motor lock assembly Apply the battery voltage to the door lock motor and check the operation of the d ...

Operating concept
Vehicle features and options This chapter describes all standard, country-specific and optional features offered with the series. It also describes features and functions that are not necessarily available in your vehicle, e.g., due to the selected options or country versions. This also applies to ...