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:

Accumulator Low Pressure (C1256)
DESCRIPTION Refer to DTC C1254 (See page ). DTC Code DTC Detection Condition Trouble Area C1256 The fluid pressure inside the accumulator is below the standard value. Brake b ...

No Communication in Immobiliser System (B2796,B2798)
DESCRIPTION DTC B2796 is stored when a key is inserted into the ignition key cylinder but no communication occurs between the key and transponder key ECU assembly. DTC B2798 is stored when a key is inserted into the ignition key cylinder ...

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