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:

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ign ...

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page ). 2. FUNCTION OF POWER STEERING WARNING LIGHT (a) When a malfunction is detected in the power steering system, the power steering warning light in the combination meter comes on to inform the ...

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