Toyota 4Runner: Integration Relay

Toyota 4Runner Service Manual / Vehicle Exterior / Horn / 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

(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

*1	Protective Tape

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1E-1 - 1C-8	Battery voltage is not applied to terminals 1C-6 and 1C-7	10 kΩ or higher
1E-1 - 1C-8	Battery voltage is applied to terminals 1C-6 and 1C-7	Below 1 Ω

If the result is not as specified, replace the No. 1 integration relay.

Text in Illustration

*a	Component with harness connected (No. 1 Integration Relay)

3. INSTALL NO. 1 RELAY BLOCK COVER

(a) Install the No. 1 relay block cover.

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