DTC P1602 Deterioration of Battery: Description
WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The ECM determines the battery power according to the voltage of the BATT terminal while the engine is running (not cranking).
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1602 | Battery power is 0 % (1 trip detection logic) |
|