B1421

DTC B1421 SOLAR SENSOR CIRCUIT

CIRCUIT DESCRIPTION

Detection Item:

A photo diode in the automatic light control sensor detects solar radiation and sends signals to the A/C amplifier assy.

Wiring Diagram:

Step 1 - 2:

Step 3 - 4:

INSPECTION PROCEDURE

HINT: In case of using LEXUS hand-held tester, start the inspection step 1 and in case of not using the LEXUS hand-held tester, start from step 2.