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Engine Controls - Tests W/Codes Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Stored Codes Malfunction Indicator Light (Mil) Ecu Versions "A" & "B" Hard Failures Intermittent Failures Entering Self-Diagnostics No Communication Between Ecu & Scan Tester Checking DLC Wiring Retrieving Codes Trouble Code Identification Diagnosing Codes 00281 (1231), Vehicle Speed Sensor 00513 (2111), Engine Speed (RPM) Sensor 00514 (2112), Crankshaft Position (CKP) Sensor 00515 (2113), Camshaft Position (Hall) Sensor 00516 (2121), Closed Throttle Position (Idle) Switch 00518 (2212), Throttle Position (TP) Sensor 00521 (2242), CO Fuel Trim Potentiometer 00522 (2312), Engine Coolant Temperature Sensor 00524 (2142), Knock Sensor I (Right) 00525 (2342), Oxygen Sensor (Right) 00531 (2233), Mass Airflow Sensor 00532 (2234), Supply Voltage 00535 (2141), Knock Sensor I Control 00536 (2143), Knock Sensor II Control 00537 (2341), Oxygen Sensor (Right) Control 00540 (2144), Knock Sensor II (Left) 00553 (2324), Mass Airflow Sensor 00554 (2331), Oxygen Sensor (Left) Control 00555 (2332), Oxygen Sensor (Left) 00560 (2411), EGR Control Solenoid Valve 00577 (2141), Knock Regulation Cyl. 1 00578 (2141), Knock Regulation Cyl. 2 00579 (2141), Knock Regulation Cyl. 3 00580 (2143), Knock Regulation Cyl. 4 00581 (2143), Knock Regulation Cyl. 5 00582 (2143), Knock Regulation Cyl. 6 00585 (2411), EGR Temperature Sensor 00609 (4332), Ignition Power Output Stage 1 00610 (4332), Ignition Power Output Stage 2 00611 (4332), Ignition Power Output Stage 3 00689 (4431), Leak In Intake Air System 01242 (4332), Final Stages Of Control 01243 (4333), Intake Manifold Change-Over (IMCO) Valve 01247 (4343), EVAP Control Solenoid Valve 01249 (4411), Fuel Injector Cyl. No. 1 01250 (4412), Fuel Injector Cyl. No. 2 01251 (4413), Fuel Injector Cyl. No. 3 01252 (4414), Fuel Injector Cyl. No. 4 01253 (4415 Or 4421), Fuel Injector Cyl. No. 5 01254 (4416 Or 4422), Fuel Injector Cyl. No. 6 01257 (4431), Idle Air Control (IAC) Valve 01265 (4312), EGR Control Solenoid Valve 65535 (1111), ECU Malfunction Clearing Codes Output Diagnostic Test Mode (DTM) Engine Basic Setting (Ecu "A") Engine Basic Setting (Ecu "B") Initiating Engine Basic Setting Display Group 01, Field 1, Engine Coolant Temperature (ECT) Display Group 01, Field 2, MAF Sensor Output Voltage Display Group 01, Field 3, MAF Sensor Ground Irregularity Display Group 01, Field 4, ECU Voltage Supply Display Group 02, Field 1, TP Sensor Voltage (Rough) Display Group 02, Field 2, TP Sensor Voltage (Fine) Display Group 02, Field 3, TP Sensor Learning Value Display Group 02, Field 4, CTP Switch Display Group 03, Field 1, Momentary Idle Speed Display Group 03, Field 2, Engine Load, Closed Throttle Display Group 03, Field 3, Throttle Angle Display Group 03, Field 4, Momentary Speed Display Group 04, Field 1, IAC Valve At Idle Display Group 04, Field 2, Learning Value Of IAC Valve Display Group 04, Field 3, Learning Value Of IAC Valve (A/T) Display Group 04, Field 4, Shift Inputs Display Group 05, Field 1, Oxygen Sensor Learning Value, Idle (Cyls. 1-3) Display Group 05, Field 2, Oxygen Sensor Learning Value, Partial Load 1 (Cyls. 1-3) Display Group 05, Field 3, Oxygen Sensor Learning Value, Partial Load 2 (Cyls. 1-3) Display Group 05, Field 4, Oxygen Sensor Learning Value, Partial Load 3 (Cyls. 1-3) Display Group 06, Field 1, Oxygen Sensor Learning Value, Idle (Cyls. 1-3) Display Group 06, Field 2, Oxygen Sensor Learning Value, Partial Load 1 (Cyls. 1-3) Display Group 06, Field 3, Oxygen Sensor Learning Value, Partial Load 2 (Cyls. 1-3) Display Group 06, Field 4, Oxygen Sensor Learning Value, Partial Load 3 (Cyls. 1-3) Display Group 07, Field 1, Oxygen Sensor Control (Cyls. 1-3) Display Group 07, Field 2, Momentary Oxygen Sensor Learning Value (Cyls. 1-3) Display Group 07, Field 3, Learning Range Display (Cyls. 1-3) Display Group 07, Field 4, Oxygen Sensor Learning Requirement Display (Cyls. 1-3) Display Group 08, Field 1, Oxygen Sensor Control (Cyls. 4-6) Display Group 08, Field 2, Momentary Oxygen Sensor Learning Value (Cyls. 4-6) Display Group 08, Field 3, Learning Range Display (Cyls. 4-6) Display Group 08, Field 4, Oxygen Sensor Learning Requirement Display (Cyls. 4-6) Display Group 09, Field 1, Oxygen Sensor Control (Cyls. 1-3) Display Group 09, Field 2, Oxygen Sensor Control (Cyls. 4-6) Display Group 09, Field 3, EVAP Control Solenoid Valve Duty Cycle Display Group 09, Field 4, Throttle Angle Display Group 10, Field 1, Sum Of Oxygen Sensor Control (Cyls. 1-3) & Momentary Oxygen Sensor Learning Value (Cyls. 1-3) Display Group 10, Field 2, Sum Of Oxygen Sensor Control (Cyls. 4-6) & Momentary Oxygen Sensor Learning Value (Cyls. 4-6) Display Group 10, Field 3, Oxygen Sensor Output Voltage (Cyls. 1-3) Display Group 10, Field 4, Oxygen Sensor Output Voltage (Cyls. 4-6) Display Group 11, Field 1, Ignition Timing Point Without Knock Control & IAC Control Display Group 11, Field 2, Ignition Timing Point With Knock Control & IAC Control Display Group 11, Field 3, Ignition Timing Point Access To IAC Control Display Group 11, Field 4, CTP Switch Function Display Group 12, Field 1, Momentary Engine Speed Display Group 12, Field 2, Momentary Engine Load Display Group 12, Field 3, Ignition Timing Point Map Switching Display Group 12, Field 4, Ignition Timing Point Retard By Knock Regulation Preliminary Information For Display Groups 13 & 14 Display Groups 13 & 14, Field 1, Ignition Timing Point Map Switching Display Groups 13 & 14, Field 2, Ignition Timing Point Retard By Knock Regulation (Cyl. 1 For Group 13; Cyl. 4 For Group 14) Display Groups 13 & 14, Field 3, Ignition Timing Point Retard By Knock Regulation (Cyl. 2 For Group 13; Cyl. 5 For Group 14) Display Groups 13 & 14, Field 4, Ignition Timing Point Retard By Knock Regulation (Cyl. 3 For Group 13; Cyl. 6 For Group 14) Preliminary Information For Display Groups 15 & 16 Display Groups 15 & 16, Field 1, Momentary Engine Speed Display Groups 15 & 16, Field 2, Knock Sensor Signal (Cyl. 1 For Group 15; Cyl. 4 For Group 16) Display Groups 15 & 16, Field 3, Knock Sensor Signal (Cyl. 1 For Group 15; Cyl. 4 For Group 16) Display Groups 15 & 16, Field 4, Knock Sensor Signal (Cyl. 1 For Group 15; Cyl. 4 For Group 16) Display Group 17, Field 1, Momentary Engine Speed Display Group 17, Field 2, Momentary Engine Load Display Group 17, Field 3, EGR Control Solenoid Valve Duty Cycle Display Group 17, Field 4, EGR Temperature Display Group 18, Field 1, Internal Specified Value, IAC Duty Cycle Display Group 18, Field 2, IAC Valve Current Display Group 18, Field 3, IAC Valve Current Regulation Display Group 18, Field 4, ECU Voltage Supply Display Group 19, Field 1, Momentary Engine Load Display Group 19, Field 2, Mass Of Induced Air Display Group 19, Field 3, Momentary Speed Display Group 19, Field 4, Injection Time Reading Measuring Block (Ecu "A") Reading Measuring Block (Ecu "B") Reading Individual Measuring Values (Ecu "A") Notes Channel 00, Oxygen Sensor Control Factor For Cyls. 1-3 Channel 01, Oxygen Sensor Control Factor For Cyls. 4-6 Channel 02, Oxygen Sensor 1 Output Voltage Channel 03, Oxygen Sensor 2 Output Voltage Channel 04, Injection Time (Cyls. 1-3) Channel 05, Mass Airflow Sensor Ground Irregular Channel 06, EVAP Control Solenoid Valve Duty Cycle Channel 07, IAC Valve Duty Cycle Channel 08, IAC Valve Current Regulation Channel 09, Throttle Angle Channel 10, EGR Temperature Channel 11, TP Sensor Output Voltage Channel 14, ECU Voltage Supply Channel 15, Current Road Speed Reading Individual Measuring Values (Ecu "B") Adaptive Learning (Ecu "B") Ecu Encoding Ecu Location Summary