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 depressing the accelerator pedal, check the operating sound of the running motor. Make sure that no friction noises emit 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 main switch ON. (4) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / 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 HINT: When checking the standard throttle valve opening percentage, the shift lever should be in the N position. If the percentage is less than 60%, replace the throttle body assembly. |
Toyota Tundra Service Manual > Power Steering System(for 1ur-fe): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. R ...
