Refer to the TOYOTA Repair Manual for each work procedure.
PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED
| Necessary Procedures | Effect/Inoperative Function When Necessary Procedures are not Performed | Note |
|---|---|---|
| Perform steering sensor zero point calibration | Lane departure alert system (w/ Steering Control) | - |
| Pre-collision system | - | |
| Memorize steering angle neutral point | Parking assist monitor system (w/ Parallel Parking Assist Function) | - |
| Parking assist monitor system (w/o Parallel Parking Assist Function) | - | |
| Initialize back door lock | Power door lock control system | - |
Note
After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal (for Navigation System).
After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 90 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal (for Audio and Visual System).
When the auxiliary battery is replaced or the cable is disconnected from its negative (-) battery terminal, the ISC learning value will be initialized and symptoms as a noise from the hybrid vehicle transaxle assembly may occur until ISC learning is performed.
Therefore, perform ISC learning when the auxiliary battery is replaced or the cable is disconnected from the negative (-) auxiliary battery terminal.