Toyota 4Runner: Integration Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE NO. 1 RELAY BLOCK COVER
(a) Remove the No. 1 relay block cover.
2. INSPECT NO. 1 INTEGRATION RELAY
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(a) Using a screwdriver, detach the 2 claws and disconnect the No. 1 integration relay from the engine room junction block. HINT: Tape the screwdriver tip before use. Text in Illustration
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(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the No. 1 integration relay. Text in Illustration
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(c) Attach the 2 claws to install the No. 1 integration relay to the engine room junction block.
3. INSTALL NO. 1 RELAY BLOCK COVER
(a) Install the No. 1 relay block cover.
Horn System
Parts Location
PARTS LOCATION
ILLUSTRATION
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected ...
Lighting (ext)
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Other materials about Toyota 4Runner:
Fuel information
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher. Use of
unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
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Receiver Error (C2176/76)
DESCRIPTION
The signals are transmitted to the tire pressure warning antenna and receiver
on the body as radio waves and then sent to the tire pressure warning ECU.
DTC Code
DTC Detection Condition
Trouble Area
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0.0269