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

Pressure Sensor Circuit (B1423)
DESCRIPTION This DTC is stored if refrigerant pressure on the high pressure side is extremely low (176 kPa (1.8 kgf/cm2, 26 psi) or less) or extremely high (3140 kPa (32.0 kgf/cm2, 455 psi) or mo ...

Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION When the air conditioning amplifier assembly is turned on, a magnetic clutch on signal is sent from the MGC terminal of the air conditioning amplifier assembly. Then, the MG CLT relay ...

Other materials:

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 ...

All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder
DESCRIPTION The main body ECU (multiplex network body ECU) receives switch signals from the power window regulator master switch assembly and driver door key cylinder lock or unlock switch signals from the front door lock assembly. The main body ECU (multiplex network body ECU) activates the ...

Road Test
ROAD TEST 1. PROBLEM SYMPTOM CONFIRMATION (a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transmission does not shift up or down, or that the shift point is too high or too low, conduct the following road test referring to t ...

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