DTC B2416: Height Control Sensor Malfunction: Procedure

1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Check for DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B2416 is not output.

NG → See step   2 

OK → See step   7 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / HL Auto Leveling / Data List.
5. Read the display on the Techstream.
   HL AUTO LEVELING
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Height Sens Pw Supply Val	Rear height control sensor power supply value / 0 to 5.00 V	Approx. 5.0 V	-

   OK

   Normal condition listed above is displayed.

NG → See step   3 

OK → See step   5 

1. Connect 3 dry cell batteries (1.5 V) in series.
   Fig 1: Inspecting Rear Height Control Sensor Sub-Assembly RH

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the rear height control sensor sub-assembly RH. Refer to REMOVAL .
3. Connect the positive (+) lead from the batteries to terminal 3 (SHB) and the negative (-) lead from the batteries to terminal 1 (SHG).
4. Measure the voltage between terminals 2 (SHRR) and 1 (SHG) while slowly moving the link up and down.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   2 (SHRR) - 1 (SHG)	+45° (High)	4.05 V
   	11.9° (Normal)	2.25 V
   	-45° (Low)	0.45 V

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (Rear Height Control Sensor Sub-assembly RH)

NG → See step   6 

OK: Go to next step 

1. Disconnect the A48 headlight leveling ECU assembly connector.
2. Disconnect the S3 rear height control sensor sub-assembly RH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A48-12 (SBR) - S3-3 (SHB)	Always	Below 1 Ω
   A48-19 (SHRL) - S3-2 (SHRR)	Always	Below 1 Ω
   A48-21 (SGR) - S3-1 (SHG)	Always	Below 1 Ω
   A48-12 (SBR) - Body ground	Always	10 kΩ or higher
   A48-19 (SHRL) - Body ground	Always	10 kΩ or higher
   A48-21 (SGR) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5