Audio and Visual System (W/ Multi-Display Without DVD Player)

AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (w/ Multi-display without DVD Player): B1579; Voice Recognition Microphone Disconnected; 2013 MY Corolla [07/2012 -]
B1579 - Voice Recognition Microphone Disconnected

DESCRIPTION

The radio and display receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines (w/o Sliding Roof).

The radio and display receiver assembly and map light assembly (telephone microphone assembly) are connected to each other using the microphone connection detection signal lines (w/ Sliding Roof).

This DTC is stored when a microphone connection detection signal line is disconnected.





* *1: w/ Sliding Roof

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY

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





Standard Resistance:





Text in Illustration





(b) Proceed to the next step based on the check result.

Result:





B -- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY)

C -- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY))

A -- REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Removal

2. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY)

(a) Disconnect the E129 radio and display receiver assembly connector.

(b) Disconnect the O9 telephone microphone 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 -- REPLACE TELEPHONE MICROPHONE ASSEMBLY Removal

3. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY))

(a) Disconnect the E129 radio and display receiver assembly connector.

(b) Disconnect the O10 map light assembly (telephone microphone 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.

4. INSPECT MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)

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





Standard Resistance:





Text in Illustration





NG -- REPLACE TELEPHONE MICROPHONE ASSEMBLY

OK -- REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Removal

5. REPLACE TELEPHONE MICROPHONE ASSEMBLY

(a) Replace the telephone microphone assembly Removal.

(b) Clear the DTCs Audio and Visual System (W/ Multi-Display Without DVD Player).

(c) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

NG -- REPLACE MAP LIGHT ASSEMBLY Removal

OK -- END