Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026OLE |
Model Year Start: 2023 |
Model: RAV4 |
Prod Date Range: [10/2022 -
] |
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: B154913; Voice Recognition Microphone2 Circuit Open; 2023 - 2024 MY RAV4 RAV4 HV [10/2022 - ] |
DTC
|
B154913
|
Voice Recognition Microphone2 Circuit Open
|
DESCRIPTION
The telephone microphone assembly RH is connected to the radio and display receiver assembly via voice recognition microphone 2 signal detection line.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
DTC Output from
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Priority
|
B154913
|
Voice Recognition Microphone2 Circuit Open
|
Voice recognition microphone 2 terminal (SNS2) disconnected
(2 trip detection logic)
|
-
Telephone microphone assembly RH
-
Radio and display receiver assembly
-
Harness or connector
|
Navigation System
|
A
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the DCM (telematics transceiver), make sure to replace it with a new one.
-
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.
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PROCEDURE
1.
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CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY RH)
|
Pre-procedure1
(a) Disconnect the G137 radio and display receiver assembly connector.
(b) Disconnect the P26 telephone microphone assembly RH connector.
Procedure1
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
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G137-21 (SNS2) - P26-5 (SNS2)
|
Always
|
Below 1 Ω
|
G137-18 (MI2-) - P26-4 (MO2-)
|
Always
|
Below 1 Ω
|
G137-21 (SNS) or P26-5 (SNS2) - Body ground
|
Always
|
10 kΩ or higher
|
G137-18 (MI2-) or P26-4 (MO2-) - Body ground
|
Always
|
10 kΩ or higher
|
Post-procedure1
(d) None
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
2.
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CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY (MO2-)
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Pre-procedure1
(a) With the radio and display receiver assembly connectors connected, disconnect the S5 telephone microphone assembly RH connector.
Procedure1
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
S5-4 (MO2-) - Body ground
|
Always
|
Below 1 Ω
|
Post-procedure1
(c) None
OK
|
|
|
3.
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INSPECT TELEPHONE MICROPHONE ASSEMBLY RH (SNS2, MO2-)
|
Pre-procedure1
(a) Remove the telephone microphone assembly RH.
|
|
*a
|
Component without harness connected
(Telephone Microphone Assembly RH)
|
|
|
Procedure1
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
5 (SNS2) - 4 (MO2-)
|
Always
|
Below 1 Ω
|
Post-procedure1
(c) None
|