Power Source Circuit

DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: Power Source Circuit

Power Source Circuit

DESCRIPTION

The certification ECU provides power for the door control receiver operation.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT CERTIFICATION ECU (+B TERMINAL)




(a) Measure the voltage according to value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. INSPECT CERTIFICATION ECU (RC0 TERMINAL)




(a) Measure the voltage according to the value(s) in the table below.
Standard voltage:






OK -- CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - DOOR CONTROL RECEIVER)
NG -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - BATTERY - BODY GROUND)
(a) Disconnect the E13 certification ECU connector.




(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE CERTIFICATION ECU
4. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - DOOR CONTROL RECEIVER)




(a) Disconnect the M5 door control receiver connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
5. CHECK HARNESS AND CONNECTOR (BODY GROUND)




(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE