DESCRIPTION
This circuit is necessary for the ASL (Auto Sound Leveliser) built into the radio receiver.
Speed signals are received from the combination meter and used for the ASL.
The ASL function automatically adjusts the sound data in order to enable hearing the clear audio sound even when vehicle noise increases (as vehicle noise increases, the volume is turned up etc.).
HINT:
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK OPERATION OF SPEEDOMETER
OK: Actual vehicle speed and the speed indicated on the speedometer are the same.
HINT: The vehicle speed sensor is functioning normally when the indication on the speedometer is normal.
2 INSPECT RADIO RECEIVER
*1: 6 Speaker without Rear Seat Entertainment System.
*2: 6 Speaker with Rear Seat Entertainment System
OK: Voltage pulses as shown in the illustration.
REPLACE RADIO RECEIVER
3 CHECK HARNESS AND CONNECTOR (COMBINATION METER - RADIO RECEIVER)
Standard resistance
*1: 6 Speaker without Rear Seat Entertainment System.
*2: 6 Speaker with Rear Seat Entertainment System.
4 CHECK HARNESS AND CONNECTOR (COMBINATION METER - RADIO RECEIVER)
Standard resistance
HINT: If the resistance between terminal SPD and body ground is less than 10 kΩ, there may be a short in a wire harness, connector, or an ECU that is connected to the SPD signal wire.
*1: 6 Speaker without Rear Seat Entertainment System.
*2: 6 Speaker with Rear Seat Entertainment System.
REPLACE COMBINATION METER
Interior air quality, Automatic climate control
Interior air quality
The air quality in the vehicle is improved by the
following components:
Emission tested passenger compartment.
Microfilter.
Air conditioning system to control the temperature,
air flow and recirculated-air mode.
Depending on the equipment specification:
Microfilter/activ ...
Operation check
1. DETECTION RANGE MEASUREMENT AND INDICATOR CHECK
Turn the IG switch ON.
Move the shift lever to the R position (when the back
sonar and rear clearance sonar is checked).
With front clearance sonar:
Move the shift lever to the N position (when the front
clearance son ...
Safety information
for children
Observe the following precautions when children are in the vehicle.
Use a child restraint system appropriate for the child, until the
child becomes large enough to properly wear the vehicle’s seat
belt.
It is recommended that children sit in the rear seats to avoid
accidental
contact ...