Automatic Light Control Sensor Circuit

DESCRIPTION

The Multiplex network body ECU receives the signal from the automatic light control sensor.

HINT: DTC code is output when malfunction of automatic light control sensor or open or short of automatic light control sensor circuit occurs.

WIRING DIAGRAM

INSPECTION PROCEDURE

1 READ VALUE OF INTELLIGENT TESTER

1. 1
   Connect the intelligent tester to DLC3.
2. 2
   Turn the ignition switch ON and push the intelligent tester main switch ON.
3. 3
   Select the items below in the DATA LIST, and read the displays on the intelligent tester

BODY NO.1:

2 CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - AUTOMATIC LIGHT CONTROL SENSOR)

1. 1
   Check for open or short circuit in the harness and the connector between the terminal 6 of the automatic light control sensor and the terminal B6-6 of the multiplex network body ECU.
2. 2
   Check for open or short circuit in the harness and the connector between the terminal 3 of the automatic light control sensor and the terminal B6-4 of the multiplex network body ECU.
3. 3
   Check for open or short circuit in the harness and the connector between the terminal 5 of the automatic light control sensor and the terminal B6-5 of the multiplex network body ECU

3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

1. Measure voltage between the terminal B6-4 and the terminal B6-6 of the multiplex network body ECU in the instrument panel junction block assembly.

Voltage

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE