DESCRIPTION
The DTC is stored when the headlight leveling ECU assembly detects malfunctions in the rear height control sensor sub-assembly RH power source or rear height control sensor sub-assembly RH.
DTC No. |
DTC Detecting Condition |
Trouble Area |
---|---|---|
B2416 |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If either of the following is performed, initialization of the headlight leveling ECU assembly is necessary (See page ).
PROCEDURE
1. |
CHECK FOR DTC |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
OK:
DTC B2416 is not output.
OK |
USE SIMULATION METHOD TO CHECK |
|
2. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL Auto Leveling / Data List.
(e) Read the display on the Techstream.
HL Auto Leveling
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Height Sens Pw Supply Val |
Height control sensor power supply value / 0.00 to 5.00 V |
Approx. 5 V |
- |
OK:
Normal condition listed above is displayed.
OK |
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY |
|
3. |
INSPECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH |
(a) Remove the rear height control sensor sub-assembly RH (See page ).
(b) Inspect the rear height control sensor sub-assembly RH (See page ).
NG |
REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH |
|
4. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT LEVELING ECU ASSEMBLY - HEIGHT CONTROL SENSOR RH) |
(a) Disconnect the A40 headlight leveling ECU assembly connector.
(b) Disconnect the N1 rear height control sensor sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A40-12 (SBR) - N1-3 (SHB) |
Always |
Below 1 Ω |
A40-21 (SGR) - N1-1 (SHG) |
Always |
Below 1 Ω |
A40-12 (SBR) - Body ground |
Always |
10 kΩ or higher |
A40-21 (SGR) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
HL AutoLeveling ECU Failure (B2420)
DESCRIPTION
When the headlight leveling ECU assembly detects a malfunction in itself, this
DTC is stored.
DTC No.
DTC Detecting Condition
Trouble Area
B2420
Malfunction of headlight leveling ECU ...
Repair
REPAIR
PROCEDURE
1. REPAIR INTAKE VALVE SEAT
NOTICE:
Repair the seat while checking the seating position.
Keep the lip free of foreign matter.
Take off the cutter gradually to make the intake valve seat smooth.
(a) Usin ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Front Power Seat Control System
Symptom
Suspected Area
See page
All functions do not operate
P/SEAT fuse
-
Front power seat switch
...