Toyota 4Runner: Problem Symptoms Table

Toyota 4Runner Service Manual / Vehicle Interior / Door Lock / Key Reminder Warning System / 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.

Key Reminder Warning System

Symptom	Suspected Area	See page
Key reminder buzzer does not sound	Proceed to "Key Reminder Buzzer does not Sound"

Operation Check

OPERATION CHECK 1. CHECK KEY REMINDER WARNING SYSTEM (a) Check that the key reminder warning buzzer sounds. (1) With the driver side door closed, insert the key into the ignition key cylinder and ...

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU) (See page ). (b) Measure ...

Other materials about Toyota 4Runner:

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: A bolt without a torque specification is shown in the standard bolt chart (See page ). PROCEDURE 1. INSTALL SIDE AUTO STEP CONTROLLER ECU ASSEMBLY (a) Engage the guide and install the side auto step controlle ...

Rear Occupant Classification Sensor RH Circuit Malfunction (B1783)
DESCRIPTION The rear occupant classification sensor RH circuit consists of the occupant classification ECU and rear occupant classification sensor RH. DTC B1783 is stored when a malfunction is detected in the rear occupant classification sensor RH circui ...