ECU Power Source Circuit

TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: ECU Power Source Circuit; 2013 MY FR-S [03/2012 -]
- ECU Power Source Circuit

DESCRIPTION

This is the power source for the door control receiver.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* When replacing the door control receiver, read the IDs stored in the old ECU using the Techstream and write them down before removal.
* It is necessary to perform registration Programming and Relearning of the transmitter IDs into the door control receiver after the ECU has been replaced.
* When replacing the door control receiver on vehicles, be sure to perform Registration of Recognition Code to register the transmitter IDs after ECU replacement Registration.

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

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DOOR CONTROL RECEIVER - BATTERY AND BODY GROUND)

(a) Disconnect the H28 door control receiver connector.

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









Standard Voltage:





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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE DOOR CONTROL RECEIVER Removal