Lighting System Diagnostic Trouble Code Chart

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Lighting. Lexus Gs430, Gs300. Uzs190 Grs190

Lighting System -- Diagnostic Trouble Code Chart



DTC No.
Detection Item
Trouble Area
See page
B1244
Light Sensor Circuit Malfunction
Automatic light control sensor
Wire harness
Multiplex network body ECU
Click here
B2402
Transistor Relay Overload Malfunction
Wire harness
Multiplex network rear ECU
Click here
B2412
Headlight Swivel Motor LH Malfunction
Headlight swivel actuator LH
Wire harness
AFS ECU
Click here
B2413
Headlight Swivel Motor RH Malfunction
Headlight swivel actuator RH
Wire harness
AFS ECU
Click here
B2414
Steering Position Sensor Malfunction
Steering sensor (w/o variable gear ratio steering system)
Steering control ECU (w/ variable gear ratio steering system)
Wire harness or connector
AFS ECU
Click here
B2415
Vehicle Speed Sensor Malfunction
Skid control ECU with actuator (3GR-FSE, 3GR-FE)
Skid control ECU (3UZ-FE)
Wire harness or connector
AFS ECU
Click here
B2416
Height Control Sensor Malfunction
Height control sensor
Wire harness or connector
AFS ECU
Click here
B2417
Headlight Beam Level Control Motor LH Malfunction
Headlight beam level control motor LH
Wire harness or connector
AFS ECU
Click here
B2418
Headlight Beam Level Control Motor RH Malfunction
Headlight beam level control motor RH
Wire harness or connector
AFS ECU
Click here
B2419
BEAN Communication Malfunction
Multiplex communication system
Wire harness or connector
AFS ECU
Click here
B2420
AFS ECU Malfunction
AFS ECU
Click here