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) enables communication with the LEXUS link center for about 15 minutes after the vehicle battery runs out. It is located under the under back panel, which is on the right side of the luggage room.

Wiring Diagram:

Step 1:

Step 2:

INSPECTION PROCEDURE