DESCRIPTION
The headlight leveling ECU assembly detects the low beam headlights status.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
First check that the low beam headlights operate normally.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (ENGINE ROOM JUNCTION BLOCK ASSEMBLY - ECU) |
(a) Disconnect the A40 headlight leveling ECU assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A40-3 (B2) - Body ground |
Light control switch in head position |
11 to 14 V |
*1 |
Front view of wire harness connector (to Headlight Leveling ECU assembly) |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Installation
INSTALLATION
PROCEDURE
1. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY
(a) Check that the ignition switch is off.
(b) Check that the cable is disconnected from the negative (-) battery terminal.
CAUTION:
Wait at least 90 seconds after disconnecting the cable ...
Charge Warning Light Comes ON while Driving
PROCEDURE
1.
CHECK LOCK FUNCTION OF CLUTCH PULLEY
(a) Check the lock function with the pulley installed in the vehicle.
(1) Visually check that the rotor in the generator operates with the engine started.
(b) Check the lock ...
Check CAN Bus Lines for Short Circuit
DESCRIPTION
There may be a short circuit in the CAN bus main wire and/or CAN branch wire
when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below
54 Ω.
Symptom
Trouble Area
Resistance betwe ...