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:

Room light assembly
Components Removal Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove room light lens Using a screwdriver ...

Vacuum switching valve
Components Removal Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove purge vsv Disconnect the purge vsv ...

Throttle actuator control motor current range / performance
Description The etcs (electronic throttle control system) has a dedicated power supply circuit. The voltage (+bm) is monitored and when it is low (less than 4 v), the ecm determines that there is a malfunction in the etcs and cuts off the current to the throttle actuator. When the volt ...