COMPONENTS
ILLUSTRATION

Precaution
On-vehicle InspectionHeater Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT HEATER RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between each terminal.
Standard:
Tester Connection
Specified Condition
3 - 4
...
Clearance Warning Buzzer Circuit
DESCRIPTION
This circuit consists of the No. 1 clearance warning buzzer and clearance warning
ECU assembly. An ECU-excited type buzzer is used. The battery voltage supplied through
the buzzer is grounded inside the clearance warning ECU assembly using a pulsed
digital pattern, producing sound ...
Precaution
PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream with the engine switch off to troubleshoot: Connect
the Techstream to the DLC3, and turn a courtesy light switch on and off at 1.5 second
or less intervals until communication between the Techstream and vehicle begin ...