DTC 12-1

DTC 12-1 BACK-UP BATTERY FAILED LOAD TEST 10S AFTER IGNITION SWITCH ON

CIRCUIT DESCRIPTION

DTC Detection Condition:

The portable phone-L battery (back-up battery) located under the deck board enables communication with the LEXUS link center for about 15 minutes after the vehicle battery becomes dead.

Wiring Diagram:

Step 1:

INSPECTION PROCEDURE