B2482

LIGHTING: LIGHTING SYSTEM: B2482: Clearance Light Circuit Transistor

DTC B2482 - Clearance Light Circuit Transistor

DESCRIPTION

The multiplex network front light ECU (front controller) illuminates and turns off the clearance light.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING INTELLIGENT TESTER OR TECHSTREAM (CLEARANCE LIGHT)
(a) Using the intelligent tester or Techstream, read the Data List.
(1) Intelligent tester

BODY NO. 5





(2) Techstream

Body No. 5





OK:
Normal condition listed above is displayed.
NG -- CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK FRONT LIGHT ECU - HEADLIGHT)
OK -- REPLACE MULTIPLEX NETWORK FRONT LIGHT ECU
2. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK FRONT LIGHT ECU - HEADLIGHT)





(a) Disconnect the B14 ECU connector.
(b) Disconnect the B2, B12, B1 and B11 light connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:

for LH





for RH





Result





C -- REPAIR OR REPLACE HARNESS OR CONNECTOR
B -- CHECK HEADLIGHT ASSEMBLY (OPERATION)
A -- Continue to next step.
3. CHECK CLEARANCE LIGHT BULB (OPERATION)
(a) Temporarily replace the clearance light bulb with a new or normally functioning one Disassembly.
(b) Check for DTC Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B2482 output does not occur.
NG -- CHECK HEADLIGHT ASSEMBLY (OPERATION)
OK -- END (REPLACE CLEARANCE LIGHT BULB)
4. CHECK HEADLIGHT ASSEMBLY (OPERATION)
(a) Temporarily replace the headlight with a new or normally functioning one.
HINT:
- for HID Headlight Removal.
- for LED Headlight Removal.
(b) Check for DTC Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B2482 output does not occur.

Result





C -- END (REPLACE HEADLIGHT ASSEMBLY)
B -- END (REPLACE HEADLIGHT ASSEMBLY)
A -- REPLACE MULTIPLEX NETWORK FRONT LIGHT ECU