Toyota Tacoma (2015-2018) Service Manual: Air Conditioning Unit

PTC Heater Circuit

DESCRIPTION PTC HTR heater relays are closed in accordance with signals from the air conditioning amplifier assembly and power is supplied to the quick heater assembly installed on the radiator h ...

Components

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Other materials:

Brake Fluid(for Hydraulic Brake Booster)
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FLUID LEVEL IN RESERVOIR (a) Turn the ignition switch to OFF, and depress the brake pedal more than 40 times (until the pedal reaction feels light and pedal stroke becomes longer), and adjust the fluid level to ...

Check Bus 5 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when no resistance exists between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and ...

Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION for Navigation Function: The navigation receiver assembly receives a vehicle speed signal from the combination meter assembly and sends the signal to navigation receiver assembly. for Automatic Sound Levelizer (ASL): This circuit is necessary for the Aut ...