Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001D5F001X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: LIGHTING: LIGHT CONTROL SWITCH: ON-VEHICLE INSPECTION; 2007 MY LX470 [08/2006 -        ]

ON-VEHICLE INSPECTION

1. INSPECT LIGHT CONTROL SWITCH

(a) Measure the resistance of the switch.

OK:

Tester Connection

Switch Position

Specified Condition

14 - 16

TAIL

Continuity

13 - 14 - 16

HEAD

12 - 16

AUTO

13 - 14 - 16

OFF

No continuity
  • If the result is not as specified, replace the headlight dimmer switch assembly.

2. INSPECT DAYTIME RUNNING LIGHT RELAY

(a) Measure the resistance of the relay.

OK:

Tester Connection

Switch Position

Specified Condition

D2-5 - D2-3

Always

Continuity

D2-2 - D2-5

Apply battery positive voltage between terminals D2-1 and D3-3

D3-1 - D3-2

Apply battery positive voltage between terminals D3-3 and D3-4
  • If the result is not as specified, replace the relay.