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DTC    B15C3    Speaker Output Short

for Preparation Click here


DESCRIPTION

This DTC is stored when a malfunction occurs in the speakers.

DTC No.
DTC Detection Condition
Trouble Area
B15C3
A short is detected in the speaker output circuit.
  1. Harness or connector
  2. Speaker
  3. Stereo component amplifier assembly

WIRING DIAGRAM


E241547E01


E241548E01


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR

  1. Disconnect the connectors from the stereo component amplifier assembly and speakers.

  1. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L142-15 (WFR+) - Body ground
    		Always
    		10 kΩ or higher
    L142-30 (WFR-) - Body ground
    		Always
    		10 kΩ or higher
    L142-8 (WFL+) - Body ground
    		Always
    		10 kΩ or higher
    L142-23 (WFL-) - Body ground
    		Always
    		10 kΩ or higher
    L142-9 (FR+) - Body ground
    		Always
    		10 kΩ or higher
    L142-24 (FR-) - Body ground
    		Always
    		10 kΩ or higher
    L142-14 (FL+) - Body ground
    		Always
    		10 kΩ or higher
    L142-29 (FL-) - Body ground
    		Always
    		10 kΩ or higher
    L142-12 (RR+) - Body ground
    		Always
    		10 kΩ or higher
    L142-27 (RR-) - Body ground
    		Always
    		10 kΩ or higher
    L142-11 (RL+) - Body ground
    		Always
    		10 kΩ or higher
    L142-26 (RL-) - Body ground
    		Always
    		10 kΩ or higher
    L142-13 (TWR+) - Body ground
    		Always
    		10 kΩ or higher
    L142-28 (TWR-) - Body ground
    		Always
    		10 kΩ or higher
    L142-10 (TWL+) - Body ground
    		Always
    		10 kΩ or higher
    L142-25 (TWL-) - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    E219303E61

  1. Resistance check

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      N1-1 - N1-2
      		Always
      		4.6 to 6.6 Ω
      O1-1 - O1-2
      		Always
      		4.6 to 6.6 Ω

      Text in Illustration 
      *A
      		for RH
      *B
      		for LH
      *a
      		Component without harness connected
      (Front No. 1 Speaker Assembly)



NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY (Click here)
OK


3.INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    E187205E05

  1. Resistance check

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      I4-1 - I4-2
      		Always
      		3.2 to 4.8 Ω
      I5-1 - I5-2
      		Always
      		3.2 to 4.8 Ω

      Text in Illustration 
      *A
      		for RH
      *B
      		for LH
      *a
      		Component without harness connected
      (Front No. 2 Speaker Assembly)



NG
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY (Click here)
OK


4.INSPECT REAR SPEAKER ASSEMBLY


    E219303E60

  1. Resistance check

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      P3-1 - P3-2
      		Always
      		3.2 to 5.2 Ω
      Q3-1 - Q3-2
      		Always
      		3.2 to 5.2 Ω

      Text in Illustration 
      *A
      		for RH
      *B
      		for LH
      *a
      		Component without harness connected
      (Rear Speaker Assembly)



NG
REPLACE REAR SPEAKER ASSEMBLY (Click here)
OK


5.INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    E187136E07

  1. Resistance check

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      P5-1 - P5-2
      		Always
      		3.2 to 4.8 Ω
      Q5-1 - Q5-2
      		Always
      		3.2 to 4.8 Ω

      Text in Illustration 
      *A
      		for RH
      *B
      		for LH
      *a
      		Component without harness connected
      (Rear No. 2 Speaker Assembly)



NG
REPLACE REAR NO. 2 SPEAKER ASSEMBLY (Click here)
OK

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY (Click here)