2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 400

2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - AUTOMATIC LIGHT CONTROL SENSOR)

(a) Disconnect the H3 automatic light control sensor connector.

(b) Disconnect the F13 main body ECU (multiplex network body ECU) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

3. INSPECT MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

(a) Reconnect the F13 main body ECU (multiplex network body ECU) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.