Interior Light Circuit

LIGHTING (INT): LIGHTING SYSTEM: Interior Light Circuit; 2013 MY FR-S [03/2012 -]
- Interior Light Circuit

DESCRIPTION

The main body ECU (network gateway ECU) controls the operation of the map light assembly

WIRING DIAGRAM





INSPECTION PROCEDURE

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

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Active Test.

(e) Check that the lights operate.

OK:

Map light fades in.

Main Body





NG -- INSPECT MAP LIGHT ASSEMBLY

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Interior Lighting System

2. INSPECT MAP LIGHT ASSEMBLY

(a) Remove the map light assembly Removal.

(b) Inspect the map light assembly Component Tests and General Diagnostics.

OK:

Map light assembly is normal.

NG -- REPLACE MAP LIGHT ASSEMBLY Removal
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (BATTERY - MAP LIGHT ASSEMBLY)

(a) Disconnect the K3 map light assembly connector.

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









Standard Voltage:





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

4. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the K3 map light assembly connector.

(b) Disconnect the D5 main body ECU (network gateway ECU) connector.

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Removal