DESCRIPTION
This circuit detects the state of the ignition switch, and sends it to the headlight leveling ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (BATTERY - HEADLIGHT LEVELING ECU ASSEMBLY) |
(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 |
---|---|---|
A40-1 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
A40-1 (IG) - Body ground |
Ignition switch off |
Below 1 V |
*1 |
Front view of wire harness connector (to Headlight Leveling ECU assembly) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT LEVELING ECU ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Disposal
DISPOSAL
PROCEDURE
1. DISPOSE OF REAR SHOCK ABSORBER
(a) Fully extend the shock absorber piston rod.
(b) Using a drill, make a hole in area B shown in the illustration to discharge
the gas inside. ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Air conditioning system data and the Diagnostic Trouble Codes (DTCs) can
be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system
seems to be malfunctioning, use the Techstream to check for malf ...
Power Seat does not Return to Memorized Position
DESCRIPTION
When either the M1 or M2 switch is pressed, the outer mirror control ECU assembly
LH sends a switch signal to the main body ECU (driver side junction block assembly)
via CAN communication. Then, the main body ECU (driver side junction block as ...