Toyota RAV4 manuals

Toyota Sienna Service Manual: Communication Error from Distance Control ECU to ECM

DTC P1615 Communication Error from Distance Control ECU to ECM

DTC U1101 Lost Communication with Distance Control ECU

DESCRIPTION

The distance control ECU receives information about the area in front of the vehicle from the laser sensor and then sends a brake control demand signal (deceleration demand) and diagnosis signals, such as laser sensor grime signals or laser sensor malfunction signals, to the ECM.

DTC No.

DTC Detection Condition

Trouble Area

P1615

While the dynamic laser cruise control is either preparing for operation or operating, if communication data from the distance control ECU is logically inconsistent for a certain amount of time, the ECM records this logical error code
  • Communication circuit
  •  Distance control ECU
  •  ECM

U1101

While the dynamic laser cruise control is either preparing for operation or operating, if communication data from the distance control ECU is invalid for a certain amount of time, the ECM records this communication cut off code
  • Communication circuit
  •  Distance control ECU
  •  ECM

INSPECTION PROCEDURE

HINT: This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.

1 CHECK CAN COMMUNICATION SYSTEM

Refer to HOW TO PROCEED WITH TROUBLESHOOTING

END

Brake System Malfunction
DTC P1578 Brake System Malfunction DESCRIPTION This DTC is output when the VSC system has a problem. Check the VSC system when this DTC is output DTC No. DTC Detection Conditio ...

Communication Error from ECM to Distance Control ECU
DTC P1616 Communication Error from ECM to Distance Control ECU DTC U0100 Lost Communication with ECM/PCM "A" DESCRIPTION The ECM receives signals from each sensor and ECU, then sends sig ...

Other materials:

If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes stuck in mud, dirt, or snow: Stop the engine. Set the parking brake and shift the shift lever to P. Remove the mud, snow, or sand from around the stuck tire. Place wood, stones or some other material under the tires ...

Reassembly
1. INSTALL REAR SEAT STAY SUB-ASSEMBLY  Install the rear seat stay sub-assembly with the nut. Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 2. INSTALL NO. 2 SEAT CUSHION SPRING ASSEMBLY LH 3. INSTALL LOCUS CABLE LH  Install the locus cable LH with the nut. Torque: 5.5 N*m (56 kg ...

TC and CG Terminal Circuit
DESCRIPTION DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by blinks of the tire pressure warning light. WIRING DIAGRAM HINT: When each warning light blinks continuously, a ground short in the wiring of terminal TC of the DLC3 or an ...

В© 2011-2019 Copyright www.tsienna.net