Home/Toyota/Celica/Toyota Celica T180 (1989-1993)/Repair manual/Engine Controls - Tests W/codes/CODE 41/TEST NO. 9 - THROTTLE POSITION SENSOR SIGNAL (4A-FE)

Contents

Section: Engine Controls - Tests W/codes

INTRODUCTION

HARD FAILURES

INTERMITTENT FAILURES

NOTES ON CODES

CLEARING CODES

ECU LOCATION

SUMMARY

SELF-DIAGNOSTICS

CODE IDENTIFICATION

CODE CHARTS

ECU TERMINAL IDENTIFICATION

TEST NO. 1 - ECU POWER SOURCE

TEST NO. 2 - ECU (+B) CIRCUIT

CODE 12, 13 - RPM SIGNAL

CODE 14/TEST NO. 3 - IGNITION SIGNAL

CODE 21, 27/TEST NO. 4 - OXYGEN SENSOR SIGNAL

CODE 22/TEST NO. 5 - COOLANT TEMPERATURE SENSOR SIGNAL

CODE 24/TEST NO. 6 - INTAKE AIR TEMPERATURE SENSOR SIGNAL

Probable Causes

CODE 31/TEST NO. 7 - VACUUM SENSOR SIGNAL (4A-FE & 5S-FE)

CODE 31, 32/TEST NO. 7 - AIRFLOW METER SIGNAL (3S-GTE)

CODE 34, 35/TEST NO. 8 - TURBOCHARGER PRESSURE (3S-GTE)

CODE 41/TEST NO. 9 - THROTTLE POSITION SENSOR SIGNAL (3S-GTE)

CODE 41/TEST NO. 9 - THROTTLE POSITION SENSOR SIGNAL (4A-FE)

5S-FE Without Electronically Controlled Transaxle (ECT)

5S-FE With Electronically Controlled Transaxle (ECT)

CODE 43/TEST NO. 10 - STARTER SIGNAL

TEST NO. 13 - INJECTOR CIRCUIT

TEST NO. 14 - IDLE SPEED CONTROL CIRCUIT

TEST NO. 15 - CHECK ENGINE LIGHT CIRCUIT

All sections

CODE 41/TEST NO. 9 - THROTTLE POSITION SENSOR SIGNAL (4A-FE) Toyota Celica T180

Engine Controls - Tests W/codes 2 illustrations

CODE 41/TEST NO. 9 - THROTTLE POSITION SENSOR SIGNAL (4A-FE)

Terminal	Trouble	Condition	STD Voltage
IDL-E2	No Voltage	IG SW ON - Throttle Valve OPEN	10-14V
PSW-E2	"	IG SW ON - Throttle Valve CLOSED	10-14V

CODE 41/TEST NO. 9-TPS SENSOR SIGNAL TROUBLE

Code 41/Test No. 9 Schematic (4A-FE) Throttle Position Sensor Signal. Scheme 64

Scheme 64: Code 41/Test No. 9 Schematic (4A-FE) Throttle Position Sensor Signal

Scheme 64: Code 41/Test No. 9 Schematic (4A-FE) Throttle Position Sensor Signal

Code 41/Test No. 9 Flow Chart (4A-FE) Throttle Position Sensor Signal. Scheme 65

Scheme 65: Code 41/Test No. 9 Flow Chart (4A-FE) Throttle Position Sensor Signal

Scheme 65: Code 41/Test No. 9 Flow Chart (4A-FE) Throttle Position Sensor Signal