Toyota RAV4 manuals

Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

DTC C1203/53 ECM Communication Circuit Malfunction

DESCRIPTION

The circuit is used to send TRAC and VSC control information from the skid control ECU to the ECM, and engine control information from the ECM to the skid control ECU through the CAN communication system.

INSPECTION PROCEDURE

1 CHECK PART NUMBER (ECM AND BRAKE ACTUATOR ASSEMBLY)

(a) Check that the proper ECM and brake actuator assembly (skid control ECU) are installed.

OK: Proper ECUs are installed.

REPLACE ECM

Engine Control System Malfunction
DTC C1201/51 Engine Control System Malfunction DESCRIPTION If trouble occurs the engine control system, the ECM transmits the abnormality to the skid control ECU. The skid control ECU set this ...

Zero Point Calibration of Yaw Rate Sensor Undone
DESCRIPTION The skid control ECU receives signals from the yaw rate sensor via CAN communication system. Yaw rate sensor has the built-in deceleration sensor. If there is trouble in the b ...

Other materials:

Inspection
1. INSPECT PRELOAD (a) Using SST(s) and a torque wrench, check the initial torque within the backlash range. SST 09326-20011 Torque: 0.9 to 1.4 N*m (9 to 14 kgf*cm, 8.0 to 12.4 in.*lbf) HINT: Use a torque wrench with a fulcrum length of 160 mm (6.30 in.). (b) Using SST(s) and a torque w ...

Vvt sensor
COMPONENTS ON-VEHICLE INSPECTION 1. CHECK VVT SENSOR OUTPUT VOLTAGE (a) Turn the ignition switch to the ON position. (b) Check the voltage between the specified terminal and body ground. Standard voltage (c) While turning the crankshaft pulley by hand, measure the voltage betwe ...

Installation
1. INSTALL REAR NO. 1 SEAT ASSEMBLY CENTER  Place the seat in the cabin. NOTICE: Be careful not to damage the body.  Install the rear seat.  Install the seat belt anchor plate with the bolt. Torque: 42 N*m (428 kgf*cm, 31 ft.*lbf)  Install the headrest.   ...

В© 2011-2021 Copyright www.tsienna.net