PROBLEM SYMPTOMS TABLE
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
A/C LIN Line Communication Malfunction |
LIN communication line |
|
|
A/C control assembly |
|
|
|
A/C amplifier assembly |
|
|
|
Lighting LIN Line Communication Malfunction |
LIN communication error |
|
How To Proceed With Troubleshooting
Terminals Of EcuHL 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 ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TRANSMISSION WIRE
2. REMOVE ATF TEMPERATURE SENSOR ASSEMBLY
(a) Remove the 4 bolts, ATF temperature sensor assembly and clamp from
the valve body assembly.
Text in Illustration
*1
...
Fail-safe Chart
FAIL-SAFE CHART
1. HID Headlight System
(a) Light Control ECU
(1) The light control ECU stops illuminating the HID headlights when any of the
following abnormalities are detected.
Condition
Content
Open in output si ...