Toyota Corolla Cross: Introduction
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GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general,
ECU controlled systems are considered to be very intricate, requiring a high
level of techn
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance measurements are standard values
measured at
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DESCRIPTION
This DTC is stored when the DCM (telematics transceiver) detects
a malfunction in the telephone microphone assembly circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B157213
Microphone Circuit
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) If the system is malfunctioning, the telltale warning message
is displayed on the multi-information display and the system is suspended in accordance
with the malfunction.
Telltale Status List
Indicator Status
Conditions
General Information
Microphone Circuit Open (B157213)
