Toyota Yaris: Sfi System / How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the GTS.
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
NEXT |
| |
2. | CUSTOMER PROBLEM ANALYSIS |
NEXT |
| |
HINT:
If the display indicates a communication malfunction, inspect the DLC3.
When any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.
NEXT |
| |
4. | CHECK DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Powertrain > Engine > Trouble Codes
(b) Check for Freeze Frame Data.
Click here
HINT:
Record or print DTCs and Freeze Frame Data if necessary.
NEXT |
| |
5. | CHECK VEHICLE CONTROL HISTORY AND VEHICLE CONTROL HISTORY FREEZE FRAME DATA* |
(a) Check for Vehicle Control History and Vehicle Control History Freeze Frame Data.
Powertrain > Engine > Utility
Tester Display |
Vehicle Control History (RoB) |
HINT:
Print Vehicle Control History and Vehicle Control History Freeze Frame Data if necessary.
NEXT |
| |
6. | CLEAR DTC AND FREEZE FRAME DATA* |
(a) Clear the DTCs and Freeze Frame Data.
Powertrain > Engine > Clear DTCs
NEXT |
| |
7. | CONDUCT VISUAL INSPECTION |
NEXT |
| |
8. | SELECT CHECK MODE DIAGNOSIS* |
(a) Change the ECM from normal mode to check mode.
Powertrain > Engine > Utility
Tester Display |
Check Mode |
NEXT |
| |
9. | CONFIRM PROBLEM SYMPTOMS |
(a) Confirm the problem symptoms.
HINT:
If the engine does not start, first perform the "Check DTC" procedure and "Conduct Basic Inspection" procedure below.
Result | Proceed to |
Malfunction does not occur | A |
Malfunction occurs | B |
B |
| GO TO STEP 11 |
A |
| |
HINT:
Refer to Symptom Simulation.
Click here
NEXT |
| |
(a) Check for DTCs.
Powertrain > Engine > Trouble Codes
Result | Proceed to |
DTCs are output | A |
DTCs are not output | B |
B |
| GO TO STEP 13 |
A |
| |
HINT:
Refer to Diagnostic Trouble Code Chart.
Click here
NEXT |
| |
13. | CONDUCT BASIC INSPECTION |
(a) Conduct basic inspection.
Click here
Result | Proceed to |
Malfunctioning parts not confirmed | A |
Malfunctioning parts confirmed | B |
B |
| GO TO STEP 18 |
A |
| |
14. | REFER TO PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
Result | Proceed to |
Malfunctioning circuit confirmed | A |
Malfunctioning parts confirmed | B |
B |
| GO TO STEP 18 |
A |
| |
15. | CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
Click here
NEXT |
| |
16. | CONDUCT CIRCUIT INSPECTION |
Result | Proceed to |
Malfunction not confirmed | A |
Malfunction confirmed | B |
B |
| GO TO STEP 19 |
A |
| |
17. | CHECK FOR INTERMITTENT PROBLEMS |
(a) Check for intermittent problems.
Click here
NEXT |
| |
18. | CONDUCT PARTS INSPECTION |
NEXT |
| |
NEXT |
| |
NEXT |
| |
21. | CONDUCT CONFIRMATION TEST |
NEXT |
| END |
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the GTS when the ECM is in check mode...
Other information:
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C05D604 Power Steering Control Module Processor System Internal Failure ECU internal malfunction (CPU malfunction) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C05D646 Power Steering Control Module Processor Calibration / Parameter Memory Failure ECU internal malfunction (EEPROM error) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C05D649 Power Steering Control Module Processor Internal Electronic Failure ECU internal malfunction (Peripheral circuit malfunction) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C10001C Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range ECU temperature sensor "A" range malfunction Power steering ECU assembly EPS warning light: Comes on The ECU judges the system has returned to normal - C152A18 Power Steering Motor "A" Circuit Current Below Threshold Motor "A" low current malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C152A19 Power Steering Motor "A" Circuit Current Above Threshold Motor "A" overcurrent Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C152B18 Power Steering Motor "B" Circuit Current Below Threshold Motor "B" low current malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C152B19 Power Steering Motor "B" Circuit Current Above Threshold Motor "B" overcurrent Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153A00 Malfunction of Power Steering Motor "A" Inverter Pre-Driver Inverter "A" pre-driver circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153A19 Power Steering Motor "A" Inverter Circuit Current Above Threshold Inverter "A" short circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153B00 Malfunction of Power Steering Motor "B" Inverter Pre-Driver Inverter "B" pre-driver circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153B19 Power Steering Motor "B" Inverter Circuit Current Above Threshold Inverter "B" short circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154A7E Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck On Contrary connection protection relay "A" short circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154A7F Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck Off Contrary connection protection relay "A" open circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154B7E Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck On Contrary connection protection relay "B" short circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154B7F Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck Off Contrary connection protection relay "B" open circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157A11 Power Steering Motor "A" Current Sensor Circuit Short to Ground Motor "A" current sensor low voltage malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157A62 Power Steering Motor "A" Current Sensor Signal Compare Failure Motor "A" current sensor correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157B11 Power Steering Motor "B" Current Sensor Circuit Short to Ground Motor "B" current sensor low voltage malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157B62 Power Steering Motor "B" Current Sensor Signal Compare Failure Motor "B" current sensor correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D11C Power Steering Motor Position Sensor "A" Circuit Voltage Out of Range Rotation angle sensor "A" range malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D162 Power Steering Motor Position Sensor "A" Signal Compare Failure Rotation angle sensor "A" correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D21C Power Steering Motor Position Sensor "B" Circuit Voltage Out of Range Rotation angle sensor "B" range malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D262 Power Steering Motor Position Sensor "B" Signal Compare Failure Rotation angle sensor "B" correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D31C Power Steering Motor Position Sensor "C" Circuit Voltage Out of Range Rotation angle sensor "C" range malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D362 Power Steering Motor Position Sensor "C" Signal Compare Failure Rotation angle sensor "C" correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - CAUTION / NOTICE / HINT NOTICE: When the power steering ECU assembly has been replaced, perform Power Steering ECU Initial Setting (assist map writing)...
COMPONENTS ILLUSTRATION
*1 CENTER LOWER INSTRUMENT COVER *2 SWITCH HOLE BASE SUB-ASSEMBLY *3 SHIFT LEVER KNOB SUB-ASSEMBLY *4 LOWER INSTRUMENT PANEL FINISH PANEL *5 FRONT DOOR SCUFF PLATE LH *6 COWL SIDE TRIM BOARD LH *7 FRONT DOOR OPENING TRIM WEATHERSTRIP LH *8 NO...
Categories
The front and side supplemental restraint systems (SRS) include different
types of air bags. Please verify the different types of air bags
which are equipped on your vehicle by locating the “SRS AIRBAG”
location indicators. These indicators are visible in the area where the
air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag)
The front passenger dashboard (front passenger air bag)
The outboard sides of the front seatbacks (side air bags)
The front and rear window pillars, and the roof edge along both
sides (curtain air bags)
read more