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:

Fail-safe Chart
FAIL-SAFE CHART 1. FAIL-SAFE OPERATION AND DEACTIVATION CONDITION DIFFERENTIAL SYSTEM (w/ Differential Lock) DTC No. Fail-safe Operation Fail-safe Deactivation Condition U0122 All switching prohibited When rear differential is locked ...

Open in Outer Mirror Indicator(Master) (C1AB4)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an open in the blind spot monitor indicator LH. DTC Code DTC Detection Condition Trouble Area C1AB4 With the blind spot monitor main switch assembly (warning ...

Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1) (P0746)
SYSTEM DESCRIPTION The ECM uses the vehicle speed signal and signals from the transmission revolution sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear). The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of t ...

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