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

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

Front Evaporator Temperature Sensor

Inspection INSPECTION PROCEDURE 1. INSPECT COOLER THERMISTOR SENSOR (a) Check the resistance. (1) Measure the resistance and check the results in accordance with the values in ...

Magnetic Clutch Relay

Inspection INSPECTION PROCEDURE 1. INSPECT MAGNET-CLUTCH RELAY (a) Check the resistance. (1) Using an ohmmeter, measure the resistance between the terminals. Standard: ...

Other materials:

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body / Trouble Codes. (e) Check for DTCs. 2. CLEAR DTC (a) Connect the Techstream to the DLC3. (b) Turn t ...

Precaution
PRECAUTION 1. PRECAUTIONS WHEN USING TECHSTREAM (a) When using the Techstream to troubleshoot the engine immobiliser system: Connect the Techstream to the DLC3 while the ignition switch is off, and turn a door courtesy light switch on and off at 1.5-second intervals until communication betwee ...

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION (a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine S ...