Audio And Visual System (W/ Multi-Display With Dvd Player) Microphone Circuit Between Microphone And Radio Receiver

Audio Visual Telematics. Corolla. Zre142 Aze141
Audio Video. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT NAVIGATION RECEIVER ASSEMBLY

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY)

AUDIO AND VISUAL SYSTEM (w/ Multi-display with DVD Player) - Microphone Circuit between Microphone and Radio Receiver


DESCRIPTION

This circuit sends a microphone signal from the telephone microphone assembly to the navigation receiver assembly.
It also supplies power from the navigation receiver assembly to the telephone microphone assembly.

WIRING DIAGRAM


Corolla. Zre142 Aze141.Audio Video.Audio And Visual System (W/O Multi-Display).Audio And Visual System (W/ Multi-Display With Dvd Player)  Microphone Circuit Between Microphone And Radio Receiver


INSPECTION PROCEDURE

1.INSPECT NAVIGATION RECEIVER ASSEMBLY


    Corolla. Zre142 Aze141.Audio Video.Audio And Visual System (W/O Multi-Display).Audio And Visual System (W/ Multi-Display With Dvd Player)  Microphone Circuit Between Microphone And Radio Receiver
  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    E116-17 (MACC) - Body ground
    Ignition switch ACC
    4 to 6 V
  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    E116-18 (SGND) - Body ground
    Always
    Below 1 Ω
    E116-20 (MIC-) - Body ground
    Always
    Below 1 Ω
    Text in Illustration
    *a
    Component with harness connected
    (Navigation Receiver Assembly)


NG
REPLACE NAVIGATION RECEIVER ASSEMBLY (COROLLA_ZRE142 RM000002XAJ01EX.html)
OK


2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY)
  1. Disconnect the E116 navigation receiver assembly connector.

  1. Disconnect the O9 telephone microphone assembly connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    E116-5 (SNS2) - O9-3 (SNS2)
    Always
    Below 1 Ω
    E116-17 (MACC) - O9-1 (MACC)
    Always
    Below 1 Ω
    E116-19 (MIC+) - O9-2 (MIC+)
    Always
    Below 1 Ω
    E116-20 (MIC-) - O9-4 (MIC-)
    Always
    Below 1 Ω
    E116-5 (SNS2) - Body ground
    Always
    10 kΩ or higher
    E116-17 (MACC) - Body ground
    Always
    10 kΩ or higher
    E116-19 (MIC+) - Body ground
    Always
    10 kΩ or higher
    E116-20 (MIC-) - Body ground
    Always
    10 kΩ or higher
    E116-18 (SGND) - Body ground
    Always
    10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (COROLLA_ZRE142 RM0000011BR0H7X.html)