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Toyota Tacoma (2015-2018) Service Manual / Air Conditioning / Heater Relay

Toyota Tacoma (2015-2018) Service Manual: Heater Relay

Inspection

INSPECTION

PROCEDURE

1. INSPECT HEATER RELAY

(a) Check the resistance.

(1) Using an ohmmeter, measure the resistance between each terminal.

Standard:

Tester Connection

Specified Condition

3 - 4

Below 1 Ω

3 - 4

10 kΩ or higher

(Apply battery voltage to terminals 1 and 2)

3 - 5

10 kΩ or higher

3 - 5

Below 1 Ω

(Apply battery voltage to terminals 1 and 2)

If the result is not as specified, replace the relay.
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