Table of Contents
4JJ1-TC ENGINE
TABLE OF CONTENTS
INTRODUCTION & ENGINE MECHANICAL FEATURES
ENGINE MAIN DATA & SPECIFICATIONS
ENGINE CONTROL MODULE (ECM)
ECM Connector Pin Assignment
ELECTRICAL COMPONENTS
MASS AIR FLOW (MAF) SENSOR & INTAKE AIR TEMPERATURE (IAT) SENSOR
ENGINE COOLTANT TEMPERATURE (ECT) SENSOR
FUEL TEMPERATURE (FT) SENSOR
CRANKSHAFT POSITION (CKP) SENSOR & CAMSHAFT POSITION (CMP) SENSOR
VEHICLE SPEED (VS) SENSOR
BAROMETRIC PRESSURE (BARO) SENSOR
ACCELERATOR PEDAL POSITION (APP)
SENSOR
SWIRL CONTROL SOLENOID VALVE
FUEL SYSTEM
FEATURE OF THE COMMON RAIL SYSTEM
FUEL SUPPLY PUMP
Operation of the Fuel Feed Pump
Operation of the Fuel Supply Pump
Operation of Suction Control Valve (SCV)
FUEL RAIL (COMMON RAIL)
Operation of the Pressure Limiter Valve
Operation of the Flow Damper
FUEL RAIL PRESSURE (FRP) SENSOR
FUEL INJECTOR
Operation of Fuel Injector
FEATURE OF THE FUEL LINE
IN-TANK FUEL PUMP & SENDER UNIT
BYPASS ONE-WAY VALVE
FUEL FILTER & WATER SEPARATOR
FUEL INJECTION QUANTITY CONTROL
Idle Speed Control
Idle Vibration Control
EGR (EXHAUST GAS RE-CIRCULATION) SYSTEM
EGR VALVE
INTAKE THROTTLE (IT) VALVE
PREHEATING SYSTEM
DIAGNOSTIC
MALFUNCTION INDICATOR LAMP (MIL)
DATA LINK CONNECTOR (DLC)
FLASH DIAGNOSTIC TROUBLE CODE
TECH 2 SCAN TOOL
TECH 2 DATA & DEFINITIONS
BREAKER BOX
Connection Type A
Connection Type B
DIAGNOSTIC SYSTEM CHECK
ENGINE CRANKS BUT DOES NOT RUN
DIAGNOSTIC TROUBLE CODE (DTC) LIST
SYMPTOM DIAGNOSIS
Intermittent Conditions
Hard Start
Rough, Unstable, or Incorrect Idle And Stalling
High Idle
Cut Out, Misses
Surges/Chuggles
Lack of Power, Sluggishness, Sponginess
Hesitation, Sag, Stumble
Fuel Knock/Combustion Noise
Poor Fuel Economy
Excessive Smoke (Black Smoke)
Excessive Smoke (White Smoke)
ENGINE CONTROL SYSTEM CHECK SHEET
ELECTRICAL WIRING DIAGRAM
POWER DISTRIBUTION (1 of 2)
POWER DISTRIBUTION (2 of 2)
STARTING & CHARGING SYSTEM
ECM POWER
ECM GROUND
GAUGES & WARNING LAMPS
A/C CONTROL, GLOW CONTROL & NEUTRAL SWITCH
RELAY, FUSE & SLOW BLOW FUSE LOCATION (ENGINE ROOM)
FUSE LOCATION (CABIN)
GROUND LOCATION
REPAIR INSTRUCTIONS
ENGINE CONTROL MODULE (ECM) REPLACEMENT/ FUEL INJECTOR ID CODE & IMMOBILIZER PROGRAMMING
FUEL INJECTOR REPLACEMENT/ FUEL
INJECTOR ID CODE PROGRAMMING
FUEL SUPPLY PUMP REPLACEMENT
SERVICE SPECIAL TOOL (SST)
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