DESCRIPTION
The main body ECU receives headlight dimmer switch information signals, and illuminates the low beam headlight.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses and bulbs for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (HEADLIGHT RELAY) |
(a) Using the Techstream, perform the Active Test (See page ).
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Headlight Relay |
Low beam headlight relay |
ON/OFF |
- |
OK:
Headlight relay operates (low beam headlights illuminate).
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT HEADLIGHT RELAY (H-LP LO) |
(a) Remove the headlight relay from the engine room relay block, junction block. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3 - 5 |
Battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Battery voltage applied between terminals 1 and 2 |
Below 1 Ω |
NG |
REPLACE HEADLIGHT RELAY |
|
3. |
CHECK HARNESS AND CONNECTOR (BATTERY - HEADLIGHT RELAY [H-LP LO]) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT RELAY [H-LP LO] - MAIN BODY ECU) |
(a) Remove the main body ECU (See page ).
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Headlight relay terminal 2 - A-15 (HRLY) |
Always |
Below 1 Ω |
A-15 (HRLY) - Body ground |
Always |
10 kΩ or higher |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The wireless door lock control system troubleshooting procedures are
based on the premise that the power door lock control system is operating
normally. Check the power door lock control system first before troub ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE REAR AXLE SHAFT SNAP RING LH
(a) Using a snap ring expander, remove the snap ring.
2. REMOVE REAR AXLE SHAFT LH
(a) Using SST and a press, press out the rear axle shaft.
SST: 09521-25023
SST: 09521-25011
( ...