Toyota 4Runner manuals

Toyota 4Runner: 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 the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Wireless Door Lock Control System

Symptom

Suspected Area

See page

Only wireless control function inoperative

Proceed to "Only Wireless Control Function is Inoperative"


Only answer-back function does not operate

Proceed to "No Answer-Back"


Only automatic lock function does not operate

Proceed to "Door Courtesy Switch Circuit"


Proceed to "Back Door Courtesy Switch Circuit"


Main body ECU


Only illuminated entry function does operate

Lighting system


Only door ajar warning function does not operate

Proceed to "Door Courtesy Switch Circuit"


Proceed to "Back Door Courtesy Switch Circuit"


Main body ECU


Only panic alarm function does not operate

Theft deterrent system


Customize Parameters
CUSTOMIZE PARAMETERS 1. CUSTOMIZING FUNCTION WITH TECHSTREAM NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body / ...

Other materials about Toyota 4Runner:

Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. PROCEDURE 1. REMOVE REAR SEAT ASSEMBLY RH (a) Remove the rear No. 1 seat assembly RH (See page ). 2. REMOVE NO. 1 SEATBACK BOARD SUB-ASSEM ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because in ...

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