2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2554

OK:

Normal conditions listed above are displayed.

NG -- CHECK HARNESS AND CONNECTOR (AFS ECU - REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH)

OK -- Continue to next step.

4. INSPECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH

(a) Connect 3 dry cell batteries (1.5 V) in series.

(b) Remove the rear height control sensor sub-assembly RH See: Lighting and Horns/Headlamp/Headlamp Alignment Sensor/Service

and Repair/Components.

(c) Connect a positive (+) lead from the battery to terminal 3 (SHB) and a negative (-) lead from the battery to terminal 1 (SHG).

(d) Measure the voltage between terminals 2 (SHRR) and 1 (SHG) while slowly moving the link up and down.

Standard Voltage:

Text in Illustration

NG -- REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH See: Lighting and Horns/Headlamp/Headlamp

Alignment Sensor/Service and Repair/Components

OK -- REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) See: Lighting and Horns/Headlamp/Headlamp

Alignment Control Module/Service and Repair/Components

5. CHECK HARNESS AND CONNECTOR (AFS ECU - REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH)

(a) Disconnect the A53 AFS ECU (headlight swivel ECU assembly) connector.