Headlight Relay Circuit
LIGHTING: LIGHTING SYSTEM: Headlight Relay Circuit
Headlight Relay Circuit
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. INSPECT HEADLIGHT RELAY
(a) Check the continuity of the headlight relay.
Standard:
NG -- REPLACE HEADLIGHT RELAY
OK -- Continue to next step.
2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (HEAD)
(a) Inspect light control switch continuity.
(1) Check that there is a continuity between terminals at each switch position as shown in the chart.
Standard:
NG -- REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (BETWEEN BODY ECU AND HEADLIGHT DIMMER SWITCH ASSEMBLY)
(a) Check the continuity terminal B6-1 (HEAD) of the multiplex network body ECU and the headlight dimmer switch assembly.
Standard:
There is continuity
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MULTIPLEX NETWORK BODY ECU