DESCRIPTION
This circuit sends a microphone signal from the microphone to the radio and navigation assembly.
It also supplies power from the radio and navigation assembly to the microphone.
WIRING DIAGRAM

INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY

Standard voltage

2 CHECK HARNESS AND CONNECTOR

Standard resistance

3 CHECK HARNESS AND CONNECTOR (MICROPHONE - RADIO AND NAVIGATION ASSEMBLY)

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Display Signal Circuit between Television Display Assembly and Radio
and Navigation Assembly
Stereo Component Amplifier Communication ErrorProblem symptoms table
POWER WINDOW CONTROL SYSTEM (W/ JAM PROTECTION)
Symptom
Suspected Area
AUTO UP/DOWN function does not operate
Power window regulator motor assembly (Driver side)
Wire harness
Power window regulator master switch assembly
Remote ...
Operation check
1. INPUT SIGNAL CHECK
Connect the intelligent tester to the DLC3.
Check the cruise control main switch using the
DATA LIST function in the intelligent tester (ONOFF,
CANCEL, - (COAST)/SET, + (ACCEL)/RES
(RESUME), and MODE).
2. INSPECT MODE SWITCH
Turn the ...
Selecting conventional constant speed control mode
Constant speed control mode differs from vehicle-to-vehicle distance
control mode. When constant speed control mode is selected, your
vehicle will maintain a set speed regardless of whether or not there
are other vehicles in the lane ahead.
Press the “ON-OFF” button to
activate the ...