B1011

POWER DISTRIBUTION: ELECTRIC POWER CONTROL SYSTEM: B1011; Battery Power Supply Control Circuit; 2013 MY FR-S [03/2012 -]
B1011 - Battery Power Supply Control Circuit

DESCRIPTION

* B1011 is stored when a malfunction is detected in the BMPX circuit.

HINT
In some cases, none of the functions of the main body ECU (network gateway ECU) may function when B1012 is stored together with B1011.

WIRING DIAGRAM

INSPECTION PROCEDURE

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

PROCEDURE

1. CLEAR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

NEXT -- Continue to next step.

2. CHECK FOR DTC

(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result

B -- USE SIMULATION METHOD TO CHECK
A -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (BMPX VOLTAGE)

(a) Disconnect the 3C instrument panel junction block 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 (ECU GROUND)

(a) Disconnect the D6 and A73 main body ECU (network gateway ECU) connector.

(b) Disconnect the 3B instrument panel junction block assembly connector.

(c) 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. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

(a) Remove the instrument panel junction block assembly Removal.

(b) Remove the main body ECU (network gateway ECU) from the instrument panel junction block assembly.

NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Removal

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