Booster seat installation
Precautions on SRSMicrophone signal circuit
   	Description
Voice signals are transmitted from the microphone to the AV control unit 
using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
	Turn ignition switch OFF.
	Disconnect AV control unit connector and microphone connector ...
   	
IPDM-E branch line circuit
   	Diagnosis Procedure
1.CHECK CONNECTOR
	Turn the ignition switch OFF.
	Disconnect the battery cable from the negative terminal.
	Check the terminals and connectors of the IPDM E/R for damage, 
	bend and loose connection (unit side 
	and connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
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Tweeter 
   	Description 
The audio unit sends audio signals to the tweeters using the front door 
speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
	Proper connection
	Damage
	Disconnected or loose terminals
2.HARNESS CHECK
 ...