Question 1

How to remove the auxiliary Car Batteries on Toyota Camry?

Accepted Answer

Begin the process of removing the auxiliary battery by taking out the floor mat in the luggage compartment followed by removing the luggage trim service hole cover. Along with the negative terminal cable removal from the auxiliary battery you should wait 90 seconds before moving forward to avoid Air Bag and seat belt pretensioner activation. As part of the procedure disconnect the cable starting from the positive (+) terminal and then moving to the thermistor sensor connector before removing the battery room ventilation hose. Symmetrically unfasten the nut and bolts and remove the clamp leading to the extraction of the auxiliary battery. Note that only this model type requires the specific dealer replacement of its exclusive auxiliary battery.

Question 2

How to remove and install the 12V Car Batteries on Toyota Prius?

Accepted Answer

The removal process for the 12V battery requires first unlocking both washer tank cover knobs and removing the rear floor board before removing the rear deck floor box from the vehicle. The rear No. 3 floor board must have four claws detached for removal while the battery negative cable (engine wire) requires a nut to be loosened. Remove the connector cover by detaching its 3 claws and then disconnect the brake control power supply connector together with the 2 fusible link block connectors, followed by removing the wire harness from the quarter vent duct then removing the duct itself with its attached bolt and screw. Unfasten the assembly fusible link block by using a clip remover tool and removing its clip and slight loosening of the nut. First detach the bolt and nut to remove the battery hold down clamp. Then extract the grommet of the battery room ventilation hose together with the battery unit from the vehicle before finally removing the battery room ventilation hose from the battery. The installer should first connect the battery room ventilation hose to the battery while putting the battery back into the vehicle then fastening the grommet of the battery room ventilation hose. Place the battery hold down clamp back while tightening the bolt and nut to 5.4 N.m (55 kgf.cm, 48 in.lbf) before installing the fusible link block assembly with its nut and clip then tighten the nut to 6.0 N.m (61 kgf.cm, 53 in.lbf). Placing the quarter vent duct requires tightening the screw and bolt to 4.0 N.m (41 kgf.cm, 35 in.lbf). After that, you must reattach wire harnesses and fusible link connectors and brake control power supply connector before reinstalling the connector cover using its claws. Secure the 3 claws to install the connector cover while connecting the battery negative cable and tightening its nut to 6.0 N.m (61 kgf.cm, 53 in.lbf). The procedure ends by securing the rear No. 3 floor board through its 4 claws, installing the rear deck floor box and locking the 2 cover knobs on the rear No. 2 floor board. Perform the initialization procedure for systems that demand it during negative battery terminal cable replacement and reconnection.

Question 3

What initialization and registration procedures are required after disconnecting the Car Batteries or replacing key components on Toyota Venza?

Accepted Answer

Steering lock system initialization might become necessary after terminal disconnection or reconnection to start the engine when battery voltage remains low to prevent normal operations. To program the replacement ECM with the Vehicle Identification Number (VIN) the Techstream links to DLC3 so the user must verify VIN then enter ON mode to reach relevant menus for reading or writing VIN data. After valve body assembly or shift solenoid valves SL3 and SL4 or TCM replacements, an initialization sequence using the Techstream is needed to set the transaxle compensation code followed by memory reset and a road test for TCM learning. The procedure for reset requires placing the shift lever to N or P then turning off the ignition before connecting Techstream and turning on the ignition and accessing required menus. The transaxle compensation code input process into the TCM requires the code to be obtained from the QR label before starting Techstream connection and code registration. All current TCM compensation codes need to be entered into the alternative TCM after replacement of the component. When replacing components it becomes necessary for the tire pressure warning ECU to demonstrate its transmitter IDs to the Techstream for registration. The process of calibrating the Vehicle Stability Control System includes engine variant learning that technicians can perform through the Techstream interface or by engaging specific DLC3 terminals. A power steering system requires calibration of the rotation angle sensor and torque sensor whenever replacement occurs between either the power steering ECU or steering column assembly. The wireless door lock control system employs Techstream to carry out new recognition code registration after changing door control transmitter or receiver units according to documented procedures. Both new engine immobiliser system component installations and key addition/replacement processes need the Techstream system for registration of ID codes and execution.

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