On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY (ENGINE ROOM JUNCTION BLOCK ASSEMBLY)
|
(a) Remove the engine room junction block assembly from the engine room
relay block (See page |
|
(b) Connect a positive (+) lead from the battery to terminal 1A-1.
(c) Connect a negative (-) lead from the battery to terminal 1F-7.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1E-3 - Battery negative |
Always |
11 to 14 V |
|
*1 |
Component without harness connected (Engine Room Junction Block Assembly) |
If the result is not as specified, replace the engine room junction block assembly.
Horn System
Lighting (ext)Interior Light Auto Cut Circuit
DESCRIPTION
When battery saving control operates while the interior lights are on, the main
body ECU (driver side junction block assembly) opens the DOME CUT relay to turn
off the lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fu ...
Starting the engine
Shift the shift lever to “P” and
apply the brakes.
Touch the Toyota emblem side of the electronic key to the “ENGINE START STOP”
switch.
An alarm will sound to indicate that the start function cannot detect the electronic
key that is touched ...
Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION
The radio and display receiver assembly and inner rear view mirror assembly (amplifier
microphone assembly) are connected to each other using the microphone connection
detection signal lines.
This DTC is stored when a microphone connection de ...