Toyota Yaris: G16e-gts (starting) / Starting System
Parts Location
PARTS LOCATION
ILLUSTRATION
| *1 | STARTER ASSEMBLY | *2 | ECM |
| *3 | NO. 1 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - ST NO. 1 RELAY - ST NO. 1 FUSE | *4 | FUSIBLE LINK BLOCK ASSEMBLY - R/B FR FUSE - R/B RR NO. 1 |
ILLUSTRATION
| *1 | ENGINE SWITCH | *2 | CERTIFICATION ECU |
| *3 | CLUTCH START SWITCH ASSEMBLY | *4 | ENGINE STOP AND START ECU |
| *5 | POWER DISTRIBUTION BOX ASSEMBLY - AM2 FUSE | - | - |
| *a | Refer to Service Bulletin for the installation position of the parts. | - | - |
System Diagram
SYSTEM DIAGRAM

INSTALLATION PROCEDURE 1. INSTALL STARTER ASSEMBLY (a) Install the wire harness clamp bracket to the starter assembly with the bolt. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} (b) Install the starter assembly to the cylinder block sub-assembly with the 2 bolts...
Other information:
DESCRIPTION The engine stop and start ECU uses its internal starter circuit to drive the starter drive relay (ST No. 1 relay) and operate the starter. WIRING DIAGRAM
CAUTION / NOTICE / HINT
When the engine stop and start ECU is replaced, read the number of starter operations before replacement and record this number to the new engine stop and start ECU after replacement...
DESCRIPTION The AWD ECU assembly receives signals from the ECM, steering sensor and skid control ECU (brake actuator assembly) via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory U010087 Lost Communication with ECM/PCM "A" Missing Message When the ignition switch is ON, the IG1 terminal voltage is 10 V or more and the vehicle speed is 60 km/h (37 mph) or more, signals cannot be received from the ECM for 1 second or more
CAN communication system
AWD ECU assembly
ECM
Displayed Yes U012687 Lost Communication with Steering Angle Sensor Module Missing Message
When the following continues:
When the IG1 terminal voltage is 10 V or more, communication with the steering sensor is impossible for 1 second or more
When the IG1 terminal voltage is 10 V or more, a condition in which communication with the steering sensor is impossible occurs 1 time or more within a 5-second period, and this occurs 10 times within 60 seconds
CAN communication system
AWD ECU assembly
Steering sensor
Displayed Yes U012987 Lost Communication with Brake System Control Module Missing Message When the IG1 terminal voltage is 10 V or more, communication with the skid control ECU (brake actuator assembly) is impossible for 3 seconds or more
CAN communication system
AWD ECU assembly
Skid control ECU (Brake actuator assembly)
Displayed Yes PROCEDURE 1...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

read more