DRL Relay Circuit

LIGHTING: LIGHTING SYSTEM: DRL Relay Circuit
- DRL Relay Circuit

DESCRIPTION

When the engine is started, signals are transmitted from the generator to the running light relay assembly, causing the headlights to illuminate.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (RUNNING LIGHT RELAY ASSEMBLY - BATTERY)

(a) Disconnect the F53 running light relay assembly connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





(c) Reconnect the running light relay assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (RUNNING LIGHT RELAY ASSEMBLY - IG1 RELAY)

(a) Disconnect the F53 running light relay assembly connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





(c) Reconnect the running light relay assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (RUNNING LIGHT RELAY ASSEMBLY - HEAD LIGHT)

(a) Disconnect the F53 running light relay assembly connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





(c) Reconnect the running light relay assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (RUNNING LIGHT RELAY ASSEMBLY - HEAD LIGHT DIMMER SWITCH)

(a) Disconnect the F53 running light relay assembly connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





(c) Reconnect the running light relay assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. CHECK HARNESS AND CONNECTOR (RUNNING LIGHT RELAY ASSEMBLY - GENERATOR)

(a) Disconnect the F53 running light relay assembly connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





(c) Reconnect the running light relay assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

6. CHECK HARNESS AND CONNECTOR (RUNNING LIGHT RELAY ASSEMBLY - PARKING BRAKE SWITCH)

(a) Disconnect the F53 running light relay assembly connector.

(b) Disconnect the F23 parking brake switch connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(d) Reconnect the parking brake switch connector.

(e) Reconnect the running light relay assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

7. CHECK HARNESS AND CONNECTOR (RUNNING LIGHT RELAY - BODY GROUND)

(a) Disconnect the F53 running light relay assembly connector.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





(c) Reconnect the running light relay assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE RUNNING LIGHT RELAY ASSEMBLY