Toyota Tacoma (2015-2018) Service Manual: Inspection

Toyota Tacoma (2015-2018) Service Manual / Park Assist / Monitoring / Ultrasonic Sensor / Inspection

INSPECTION

PROCEDURE

1. INSPECT NO. 1 ULTRASONIC SENSOR

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

Text in Illustration

*a	Component without harness connected: (No. 1 Ultrasonic Sensor)

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 (BI) - 5 (EI)	Always	10 kΩ or higher
1 (BI) - 2 (BO)		10 kΩ or higher
3 (SI) - 4 (SO)		Below 1 Ω
5 (EI) - 6 (EO)		Below 1 Ω

If the result is not as specified, replace the No. 1 ultrasonic sensor.

Components

COMPONENTS ILLUSTRATION ILLUSTRATION ...

Removal

REMOVAL PROCEDURE 1. REMOVE REAR BUMPER ASSEMBLY (w/ Towing Package) (See page ) 2. REMOVE REAR BUMPER ASSEMBLY (w/o Towing Package) (See page ) 3. REMOVE CONNECTOR COVER (w/ Towing Package) ...

Other materials:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE FRONT LICENSE PLATE BRACKET (a) Remove the 2 screws and front license plate bracket. 2. REMOVE NO. 4 ENGINE ROOM WIRE (w/ Fog Light) (a) Disconnect the 2 connectors. ...

Check Bus 2 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 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and ...

Dtc Check / Clear
DTC CHECK / CLEAR HINT: When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the DLC3 and turn a courtesy light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins. Refer to the T ...