ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK THROTTLE BODY ASSEMBLY
(a) Check the throttle control motor operating sounds.
(1) Turn the ignition switch to ON.
(2) When pressing the accelerator pedal, check the operating sound of the running motor. Make sure that no friction noises are emitted from the motor.
If friction noise exists, replace the throttle body.
(b) Check the throttle position sensor.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Enter the following menus: Powertrain / Engine / Data List / Throttle Sensor Position.
(5) Depress the accelerator pedal. When the throttle valve is fully opened, check that the value of "Throttle Sensor Position" is within the specification.
Standard throttle valve opening percentage:
60% or more
NOTICE:
When checking the standard throttle valve opening percentage, make sure the shift lever is in N.
If the percentage is less than 60%, replace the throttle body assembly.
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Diagnostic System
When troubleshooting a vehicle with a diagnostic system, the only difference
from the usual troubleshooting procedure is connecting the Techstream to the vehicle
and reading various data output from ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of ...
Light Sensor Circuit Malfunction (B1244)
DESCRIPTION
The automatic light control sensor detects ambient light, converts it into an
electrical signal, and outputs it to the main body ECU (driver side junction block
assembly). The main body ECU (driver side junction block assembly) turns on or off ...