Toyota Yaris: Knock Sensor / Inspection
INSPECTION
PROCEDURE
1. INSPECT KNOCK SENSOR
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: | Tester Connection | Condition | Specified Condition | | e1-1 - e1-2 | 25°C (77°F) | 120 to 280 kΩ | If the result is not as specified, replace the knock sensor. |
| | *a | Component without harness connected (Knock Sensor) | | |
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the knock sensor removal/installation are shown below...
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts...
Other information:
PrecautionPRECAUTION HANDLING PRECAUTIONS FOR STEERING SYSTEM (a) Care must be taken when replacing parts. Incorrect replacement may affect the performance of the steering system and result in a driving hazard. HANDLING PRECAUTIONS FOR SRS AIRBAG SYSTEM (a) This vehicle is equipped with a Supplemental Restraint System (SRS)...
TERMINALS OF ECU COMBINATION METER ASSEMBLY
(a) Measure the voltage and resistance and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Terminal Description Condition Specified Condition H6-1 (B) - Body ground Auxiliary battery Ignition switch off 11 to 14 V H6-9 (CANH) CAN communication line - - H6-10 (MSCL) Local bus communication line - - H6-11 (TX1-) - Body ground Outside temperature sensor signal - - H6-13 (FR2) - H6-24 (FE&B) Fuel level signal Ignition switch ON, fuel level full → low (fuel level warning light on) Pulse generation (See waveform 3) H6-14 (FV) - Body ground Fuel sender gauge (Power source) Ignition switch ON Pulse generation (See waveform 1) H6-15 (MSTI) - Body ground Steering pad switch signal Ignition switch ON, up, down, right and left switches on steering pad switch not pushed 4...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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