S13 Service ManualS13

Torque Specs Tools Parts Diagrams

Engine Fuel & Emission Control System

PREPARATION

EF & EC-2SPECIAL SERVICE TOOLS EF & EC-NC-2NISSAN 200SX E.C.C.S. WIRING DIAGRAM

PRECAUTIONS

EF & EC-3PRECAUTIONS

ENGINE AND EMISSION CONTROL OVERALL SYSTEM

EF & EC-4E.C.C.S. Component Parts Location EF & EC-5E.C.C.S. Component Parts Location EF & EC-6System Diagram EF & EC-7ENGINE AND EMISSION CONTROL OVERALL SYSTEM EF & EC-8Circuit Diagram

ENGINE AND EMISSION CONTROL DESCRIPTION

EF & EC-9ENGINE AND EMISSION CONTROL PARTS DESCRIPTION EF & EC-10ENGINE AND EMISSION CONTROL PARTS DESCRIPTION EF & EC-11ENGINE AND EMISSION CONTROL PARTS DESCRIPTION EF & EC-12ENGINE AND EMISSION CONTROL PARTS DESCRIPTION EF & EC-13ENGINE AND EMISSION CONTROL PARTS DESCRIPTION

ENGINE AND EMISSION CONTROL SYSTEM DESCRIPTION

EF & EC-14Fuel Injection Control INPUT/OUTPUT SIGNAL LINE EF & EC-15Fuel Injection Control EF & EC-16ENGINE AND EMISSION CONTROL SYSTEM DESCRIPTION EF & EC-17Ignition Timing Control EF & EC-18Idle Speed Control — INPUT/OUTPUT SIGNAL LINE EF & EC-19Engine and Emission Control System Description EF & EC-20Fuel Pressure Regulator Control (Cont'd) / Acceleration Cut Control EF & EC-21ENGINE AND EMISSION CONTROL SYSTEM DESCRIPTION EF & EC-22Direct Ignition System (Cont'd) — Checking Ignition Timing and Idle Speed EF & EC-23Direct Ignition System EF & EC-24Direct Ignition System

IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION

EF & EC-25IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION EF & EC-26IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION EF & EC-27IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION EF & EC-28IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION EF & EC-29IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION EF & EC-30IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION EF & EC-31IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION

TROUBLE DIAGNOSES

EF & EC-32Contents EF & EC-33Contents EF & EC-34How to Perform Trouble Diagnoses for Quick and Accurate Repair EF & EC-35How to Perform Trouble Diagnoses for Quick and Accurate Repair (Cont'd) — WORK FLOW EF & EC-36How to Perform Trouble Diagnoses for Quick and Accurate Repair (Cont'd) — Diagnostic Worksheet EF & EC-37How to Perform Trouble Diagnoses for Quick and Accurate Repair (Cont'd) — INTERMITTENT PROBLEM SIMULATION EF & EC-38Diagnostic Table EF & EC-39Diagnostic Table (Cont'd): Impossible to start — no combustion EF & EC-40Diagnostic Table (Cont'd) — Symptom 2: Impossible to start — partial combustion EF & EC-41Diagnostic Table (Cont'd) — Symptom & Condition 3 EF & EC-42Diagnostic Table (Cont'd) — Symptom 4: Impossible to start — partial combustion (throttle position changes combustion quality)EF & EC-43Diagnostic Table (Cont'd) — Symptom & Condition 5: Hard to start — before warm-up EF & EC-44Diagnostic Table (Cont'd) — Symptom 6: Hard to start — after warm-up EF & EC-45Diagnostic Table (Cont'd) — Symptom & Condition 7 EF & EC-46Diagnostic Table EF & EC-47Diagnostic Table (Cont'd) — Symptom 9: Abnormal idling — no fast idle EF & EC-48Diagnostic Table (Cont'd) — Symptom 10: Abnormal idling — low idle (after warm-up)EF & EC-49Diagnostic Table (Cont'd) - Symptom & Condition 11: Abnormal idling - high idle (after warm-up)EF & EC-50Diagnostic Table (Cont'd) — Symptom & Condition 12: Unstable idling — before warm-up EF & EC-51Diagnostic Table (Cont'd) — Symptom & Condition 13: Unstable idling — after warm-up EF & EC-52Diagnostic Table (Cont'd) — Symptom & Condition 14: Poor driveability — stumble (while accelerating)EF & EC-53Diagnostic Table (Cont'd) — Symptom & Condition 15: Poor driveability — surge (while cruising)EF & EC-54Diagnostic Table (Cont'd) — Symptom & Condition 16: Poor driveability — lack of power EF & EC-55Diagnostic Table (Cont'd) — Symptom & Condition 17: Poor driveability — detonation EF & EC-56Diagnostic Table (Cont'd) — Symptom & Condition 18: Engine stall — during start-up EF & EC-57Diagnostic Table (Cont'd) — Symptom & Condition 19: Engine stall — while idling EF & EC-58Diagnostic Table (Cont'd) — Symptom & Condition 20: Engine stall — while accelerating EF & EC-59Diagnostic Table (Cont'd) — Engine stall while cruising EF & EC-60Diagnostic Table (Cont'd) — Symptom & Condition 22: Engine stall — while decelerating/just after stopping EF & EC-61Diagnostic Table (Cont'd) — Symptom & Condition 23: Engine stall — while loading EF & EC-62Diagnostic Table (Cont'd) — Symptom & Condition 24: Backfire through the intake EF & EC-63Diagnostic Table (Cont'd) — Symptom & Condition 25: Backfire through the exhaust EF & EC-64Self-diagnosis Description EF & EC-65Self-diagnosis — Description EF & EC-66Self-diagnosis — Description (Cont'd) CHECKER BOX EF & EC-67Self-diagnosis Modes I & II (Model with catalyzer)EF & EC-68Self-diagnosis Mode III EF & EC-69Self-diagnosis — Mode III (Cont'd) RETENTION OF DIAGNOSTIC RESULTS EF & EC-70Self-diagnosis — Mode III (Cont'd) SELF-DIAGNOSTIC PROCEDURE EF & EC-71Self-diagnosis — Mode III (Cont'd) DECODING CHART EF & EC-72Self-diagnosis — Mode III EF & EC-73Self-diagnosis — Mode IV EF & EC-74Self-diagnosis Mode IV (Cont'd) — Self-Diagnostic Procedure EF & EC-75Self-diagnosis Mode V EF & EC-76Self-diagnosis — Mode V (Cont'd) DECODING CHART EF & EC-77Self-diagnosis Mode V (Cont'd) — Real-Time Diagnostic Inspection — Crank Angle Sensor, Air Flow Meter and Ignition Signal EF & EC-78Diagnostic Procedure EF & EC-79Diagnostic Procedure EF & EC-80Diagnostic Procedure 1 — POWER SOURCE & GROUND CIRCUIT FOR E.C.U. (Not self-diagnostic item)EF & EC-81Diagnostic Procedure 1 EF & EC-82Diagnostic Procedure 2 — CRANK ANGLE SENSOR (Code No. 11)EF & EC-83Diagnostic Procedure 2 EF & EC-84Diagnostic Procedure 3 — AIR FLOW METER (Code No. 12)EF & EC-85Diagnostic Procedure 3 EF & EC-86Diagnostic Procedure 4 — ENGINE TEMPERATURE SENSOR (Code No. 13)EF & EC-87Diagnostic Procedure 4 EF & EC-88Diagnostic Procedure 5 - VEHICLE SPEED SENSOR EF & EC-89Diagnostic Procedure 5 EF & EC-90Diagnostic Procedure 6: IGNITION SIGNAL (Code No. 21) & DETONATION SENSOR (Code No. 34)EF & EC-91Diagnostic Procedure 6 EF & EC-92Diagnostic Procedure 6 EF & EC-93TROUBLE DIAGNOSES EF & EC-94Diagnostic Procedure 7 — IDLE SWITCH (Switch ON/OFF diagnosis)EF & EC-95Diagnostic Procedure 7 EF & EC-96Diagnostic Procedure 8: Exhaust Gas Sensor (Not self-diagnostic item)EF & EC-97Diagnostic Procedure 8 EF & EC-98Diagnostic Procedure 9 — THROTTLE SENSOR (Code No. 43)EF & EC-99Diagnostic Procedure 9 EF & EC-100Diagnostic Procedure 9 EF & EC-101TROUBLE DIAGNOSES EF & EC-102Diagnostic Procedure 10 — FUEL PUMP (Not self-diagnostic item)EF & EC-103Diagnostic Procedure 10 EF & EC-104Diagnostic Procedure 11 — START SIGNAL (Switch ON/OFF diagnosis)EF & EC-105Diagnostic Procedure 11 EF & EC-106Diagnostic Procedure 12 — AUXILIARY AIR CONTROL (A.A.C.) VALVE (Not self-diagnostic item)EF & EC-107Diagnostic Procedure 12 EF & EC-108Diagnostic Procedure 13 — I.A.A. CONTROL (F.I.C.D. CONTROL) (Not self-diagnostic item)EF & EC-109Diagnostic Procedure 13 EF & EC-110Diagnostic Procedure 14: AIR REGULATOR (Not self-diagnostic item)EF & EC-111Diagnostic Procedure 14 EF & EC-112Diagnostic Procedure 15 — INJECTOR (Not self-diagnostic item)EF & EC-113Diagnostic Procedure 15 EF & EC-114Diagnostic Procedure 16 — PRESSURE REGULATOR (P.R.) CONTROL SOLENOID VALVE (Not self-diagnostic item)EF & EC-115Diagnostic Procedure 16 EF & EC-116Diagnostic Procedure 17 — NEUTRAL AND INHIBITOR SWITCH (Not self-diagnostic item)EF & EC-117Diagnostic Procedure 17 EF & EC-118Diagnostic Procedure 18: ACCELERATION CUT CONTROL (Not self-diagnostic item)EF & EC-119Electrical Components Inspection EF & EC-120Electrical Components Inspection (Cont'd) — E.C.U. INPUT/OUTPUT SIGNAL INSPECTION EF & EC-121Electrical Components Inspection EF & EC-122Electrical Components Inspection EF & EC-123Electrical Components Inspection EF & EC-124Electrical Components Inspection EF & EC-125Electrical Components Inspection EF & EC-126Electrical Components Inspection EF & EC-127Electrical Components Inspection EF & EC-128Electrical Components Inspection

FUEL INJECTION CONTROL SYSTEM INSPECTION

EF & EC-129FUEL INJECTION CONTROL SYSTEM INSPECTION EF & EC-130FUEL INJECTION CONTROL SYSTEM INSPECTION EF & EC-131Injector Removal and Installation

EVAPORATIVE EMISSION CONTROL SYSTEM (For catalyzer model)

EF & EC-132EVAPORATIVE EMISSION CONTROL SYSTEM (For catalyzer model)EF & EC-133Inspection

CRANKCASE EMISSION CONTROL SYSTEM

EF & EC-134CRANKCASE EMISSION CONTROL SYSTEM EF & EC-135CRANKCASE EMISSION CONTROL SYSTEM

SERVICE DATA AND SPECIFICATIONS (S.D.S.)

EF & EC-136SERVICE DATA AND SPECIFICATIONS (S.D.S.)

Engine Fuel & Emission Control System›EF & EC-93

TROUBLE DIAGNOSES

EF & EC-93blank

NOTE

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Trouble Diagnoses — Diagnostic Procedure 6 (Cont'd)

Diagnostic Procedure 7 — IDLE SWITCH (Switch ON/OFF diagnosis)

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