Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Lost Communication with ECM (U0100,U0142,U0155)

DESCRIPTION

DTC No.

DTC Detecting Condition

Trouble Area

U0100

No communication with ECM

  • CAN communication system
  • ECM

U0142

No communication with main body ECU

  • CAN communication system
  • Main body ECU (multiplex network body ECU)

U0155

No communication with combination meter

  • CAN communication system
  • Combination meter assembly

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

HINT:

Refer to CAN Communication System (See page ). ).

NEXT

END

Air Inlet Damper Position Sensor Circuit (B1432/32)
DESCRIPTION This sensor detects the position of the air inlet damper and sends the appropriate signals to the air conditioning amplifier assembly. The position sensor is built into the No. 1 air ...

Air Outlet Damper Control Servo Motor Circuit (B1443/43)
DESCRIPTION This No. 1 air conditioning radiator damper servo sub-assembly (for mode switching) is controlled by the air conditioning amplifier assembly and moves the mode damper to the desired p ...

Other materials:

Operation Check
OPERATION CHECK 1. CHECK INTERMITTENT CONTROL FUNCTION (w/ Intermittent Time Adjustment Switch) (a) Turn the ignition switch to ON. (b) Turn the windshield wiper switch assembly to the INT position. (c) Check that the intermittent operation interval can be adjusted from approximately 1.6 to 10 ...

Reverse Signal Circuit
DESCRIPTION The radio and display receiver assembly*1 or navigation receiver assembly*2 receives a reverse signal from the park/neutral position switch*3 or the back-up light switch assembly*4. *1: w/o Navigation System *2: w/ Navigation System *3: for Automatic Transmission ...

Lost Communication with ECM / PCM "A" (U0100,U0101,U0123,U0126,U0129,U0142,U0155)
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U0100 Lost Communication with ECM / PCM "A" ...

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