Engine Controls - Self-Diagnostics

• Introduction
• Model Identification
• Self-Diagnostic System
  • Notes
  • Me-SFI Control Module
    • Mixture Self-Adaptation
    • Throttle Valve Actuator Recognition
    • Vehicle Speed Sensor (VSS) Adaption
    • Performance/Speedometer Test
  • Check Engine Light
  • Version Coding
    • Notes
    • Automatic Coding
    • Manual Coding
  • Drive Authorization System (DAS)
  • Service Precautions
  • Retrieving Codes
    • Notes
    • Using Hand Held Tester (HHT)
    • Using Generic Scan Tool
  • Clearing Codes
• Connecting Socket Box
• Component/Circuit Identification
• Me-SFI Control Module Connector Identification
• Diagnostic Trouble Code Identification
• Diagnostic Tests
  • DTC P0100: Hot Film MAF Sensor (B2/5)
    • DTC Description
    • Test Procedure
  • DTC P0105: Pressure Sensor (B28)
    • DTC Description
    • Test Procedure
  • DTC P0110: Intake Air Temperature Sensor
    • Notes
    • DTC Description
    • Test Procedure
  • DTC P0115: Coolant Temperature Sensor (B11/4)
    • DTC Description
    • Test Procedure
  • DTC P0120: Actual Value Potentiometer In Throttle Valve Actuator (M16/6)
    • DTC Description
    • Testing Procedure
  • DTC P0130: Right O2 Sensor Upstream TWC (G3/4)
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0130: Right O2 Sensor Upstream TWC (G3/4) Voltage Increase Too Small
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0133: Right O2 Sensor Upstream TWC (G3/4) Aging Correction Variable Exceeded
    • DTC Description
    • Testing Procedure
  • DTC P0133: Right O2 Sensor Upstream TWC (G3/4) Aging Of Cycle Duration Too Long
    • DTC Description
    • Testing Procedure
  • DTC P0133: Right O2 Sensor Upstream TWC (G3/4) Aging Of O2 Sensor Too Slow
    • DTC Description
    • Testing Procedure
  • DTC P0135: O2 Sensor Heating Of Right O2 Sensor Upstream TWC (G3/4)
    • DTC Description
    • Testing Procedure
  • DTC P0136: Right O2 Sensor Downstream TWC (G3/6)
    • DTC Description
    • Testing Procedure
  • DTC P0140: Right O2 Sensor Upstream TWC (G3/4)
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0141: O2 Sensor Heating Of Right O2 Sensor Downstream TWC (G3/6)
    • DTC Description
    • Testing Procedure
  • DTC P0150: Left O2 Sensor Upstream TWC (G3/3)
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0150: Left O2 Sensor Upstream TWC (G3/3) Voltage Increase Too Small
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0153: Left O2 Sensor Upstream TWC (G3/3)
    • DTC Description
    • Testing Procedure
  • DTC P0153: Left O2 Sensor Upstream TWC (G3/3) Aging Of Cycle Duration Too Long
    • DTC Description
    • Testing Procedure
  • DTC P0153: Left O2 Sensor Upstream TWC (G3/3) Aging Of O2 Sensor Too Slow
    • DTC Description
    • Testing Procedure
  • DTC P0155: O2 Sensor Heating Of Left O2 Sensor Upstream TWC (G3/3)
    • DTC Description
    • Testing Procedure
  • DTC P0156: Left O2 Sensor Downstream TWC (G3/5)
    • DTC Description
    • Testing Procedure
  • DTC P0160: Left O2 Sensor Downstream TWC (G3/5)
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0161: O2 Sensor Heating Of Left O2 Sensor Downstream TWC (G3/5)
    • DTC Description
    • Testing Procedure
  • P0170: Self-Adaption Of Partial Load Mixture Formation, Right Cylinder Bank, To Limit Value Of Me-SFI Control Module (N3/10)
    • DTC Description
    • Possible Causes
  • P0170: Self-Adaption Of Idle Mixture Formation, Right Cylinder Bank, To Limit Value Of Me-SFI Control Module (N3/10)
    • DTC Description
    • Possible Causes
  • DTC P0173: Self-Adaption Of Partial Load Mixture Formation, Left Cylinder Bank, To Limit Value Of Me-SFI Control Module (N3/10)
    • DTC Description
    • Possible Causes
  • DTC P0173: Self-Adaption Of Idle Mixture Formation, Left Cylinder Bank, To Limit Value Of Me-SFI Control Module (N3/10)
    • DTC Description
    • Possible Causes
  • DTC P0201: CYLINDER 1 INJECTOR (Y26y1)
    • DTC Description
    • Testing Procedure
  • DTC P0202: CYLINDER 2 INJECTOR (Y26y2)
    • DTC Description
    • Testing Procedure
  • DTC P0203: CYLINDER 3 INJECTOR (Y26y3)
    • DTC Description
    • Testing Procedure
  • DTC P0204: CYLINDER 4 INJECTOR (Y26y4)
    • DTC Description
    • Testing Procedure
  • DTC P0205: CYLINDER 5 INJECTOR (Y26y5)
    • DTC Description
    • Testing Procedure
  • DTC P0206: CYLINDER 6 INJECTOR (Y26y6)
    • DTC Description
    • Testing Procedure
  • DTC P0207: CYLINDER 7 INJECTOR (Y26y7)
    • DTC Description
    • Testing Procedure
  • DTC P0208: CYLINDER 8 INJECTOR (Y26y8)
    • DTC Description
    • Testing Procedure
  • DTC P0300: Misfire Or Misfire Harmful To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/1)
    • Testing Procedure (Ignition Coil T1/2)
    • Testing Procedure (Ignition Coil T1/3)
    • Testing Procedure (Ignition Coil T1/4)
    • Testing Procedure (Ignition Coil T1/5)
    • Testing Procedure (Ignition Coil T1/6)
    • Testing Procedure (Ignition Coil T1/7)
    • Testing Procedure (Ignition Coil T1/8)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0301: Misfire Cylinder 1 Or Misfire Cylinder 1 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/1)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0302: Misfire Cylinder 2 Or Misfire Cylinder 2 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/2)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0303: Misfire Cylinder 3 Or Misfire Cylinder 3 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/3)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0304: Misfire Cylinder 4 Or Misfire Cylinder 4 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/4)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0305: Misfire Cylinder 5 Or Misfire Cylinder 5 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/5)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0306: Misfire Cylinder 6 Or Misfire Cylinder 6 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/6)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0307: Misfire Cylinder 7 Or Misfire Cylinder 7 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/7)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0308: Misfire Cylinder 8 Or Misfire Cylinder 8 Damaging To TWC
    • DTC Description
    • Testing Procedure (Ignition Coil T1/8)
    • Testing Procedure (Ignition Coil Ignition Voltage T1/1 To T1/8)
  • DTC P0325: Knock Sensor, Right
    • DTC Description
    • Possible Causes
  • DTC P0330: Knock Sensor, Left
    • DTC Description
    • Possible Causes
  • DTC P0335: Crankshaft Position Sensor (L5)
    • DTC Description
    • Testing Procedure
  • DTC P0341: Camshaft Hall-Effect Sensor (B6/1)
    • DTC Description
    • Testing Procedure
  • DTC P0370: Angle Deviation Between Camshaft To Crankshaft
    • Testing Procedure
  • DTC P0400: Exhaust Gas RECIRCULATION Malfunction (Causal Chain)
    • DTC Description
    • Testing Procedure
  • DTC P0410: Secondary Air Injection Malfunction (Causal Chain)
    • DTC Description
    • Testing Procedure (Secondary Air Injection)
    • Testing Procedure (Air Pump Switchover Valve - Y32)
  • DTC P0422: Effect Of Right TWC Too Low
    • DTC Description
    • Possible Causes
  • DTC P0432: Effect Of Left TWC Too Low
    • DTC Description
    • Possible Causes
  • DTC P0440: Purge System Leak (Causal Chain)
    • DTC Description
    • Testing Procedure
  • DTC P0441: Purge Control Valve (Y58/1) Function
    • DTC Description
    • Testing Procedure
  • DTC P0442: Purge System Slight Leak
    • DTC Description
    • Testing Procedure - Leaktightness
  • DTC P0443: Purge Control Valve (Y58/1)
    • DTC Description
    • Testing Procedure
  • DTC P0446: Activated Charcoal Canister Shutoff Valve (Y58/4 - Causal Chain)
    • DTC Description
    • Testing Procedure
  • DTC P0446: Activated Charcoal Canister Shutoff Valve (Y58/4)
    • DTC Description
    • Testing Procedure
  • DTC P0450: Fuel Tank Pressure Sensor (B4/3) Electrical Fault
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0450: Fuel Tank Pressure Sensor (B4/3) Electrical Vibrations
    • Notes
    • DTC Description
    • Testing Procedure
  • DTC P0455: Purge System Severe Leak Or Voltage Supply For Tank Pressure Sensor (B4/3)
    • DTC Description
    • Testing Procedure
  • DTC P0460: Fuel Level Gauge Sensor
    • DTC Description
  • DTC P0500: Front Left Vehicle Speed Signal Or Rear Left Vehicle Speed Signal
    • DTC Description
    • Possible Causes
  • DTC P0507: Idle Speed Control Implausible
    • DTC Description
    • Testing Procedure
  • DTC P0520: Oil Pressure Sensor For Cylinder Cut-Out System
    • DTC Description
  • DTC P0560: Voltage Supply To Me-SFI Control Module (N3/10)
    • DTC Description
    • Testing Procedure
  • DTC P0565: Pushbutton Switch For Variable Cruise Control (S40/4)
    • Testing Procedure (Without DAS3)
    • Testing Procedure (With DAS3)
  • DTC P0600: Controller Area Network (Can) Of Electronic Stability Program (Esp)
    • DTC Description
    • Testing Procedure
  • DTC P0604: Me-SFI Control Module (N3/10)
    • Possible Cause
  • DTC P0605: Me-SFI Control Module (N3/10)
    • Possible Cause
  • DTC P0700: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • Notes
    • DTC Description (Gear Implausible Or Transmission Leaking)
    • DTC Description (Command Valve Jams In Pressure Position)
    • Possible Causes
  • DTC P0702: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • Notes
    • DTC Description (ETC Module Problem)
    • DTC Description (Voltage Supply To Valves)
    • Possible Causes
  • DTC P0715: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (Voltage Supply & Function Of Speed Sensors)
    • Possible Causes
  • DTC P0720: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (CAN Fault Recognition)
    • Possible Causes
  • DTC P0730: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (Gear Comparison Negative Several Times)
    • Possible Causes
  • DTC P0740: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (Torque Converter Lock-Up Clutch)
    • Possible Causes
  • DTC P0743: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (Pulse Width Modulated (PWM) Solenoid Valve Torque Converter Lock-Up)
    • Possible Causes
  • DTC P0748: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • Notes
    • DTC Description (Modulating Pressure Regulating Solenoid)
    • DTC Description (Switch Pressure Regulating Solenoid)
    • Possible Causes
  • DTC P0753: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (Solenoid Valve Switching 1-2/4-5)
    • Possible Causes
  • DTC P0758: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (Solenoid Valve Switching 2-3)
    • Possible Causes
  • DTC P0763: Read Out DTC Memory For Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description (Solenoid Valve Switching 3-4)
    • Possible Causes
  • DTC P0801: Electric Suction-Type Fan For Engine & A/C (M4/3)
    • Testing Procedure - Actuation
  • DTC P0802: Variable Intake Manifold Switchover Valve (Y22/6)
    • Testing Procedure
  • DTC P0809: Angle For Camshaft To Crankshaft
    • Testing Procedure
  • DTC P0811: Controller Area Network (Can) Of Electronic Ignition Switch (EIS)
    • Testing Procedure
  • DTC P1031: O2 Sensor Upstream Of TWC (G3/3) & (G3/4) Exchanged
    • Testing Procedure
  • DTC P1177: Oil Sensor (B40), Oil Temperature Implausible
    • Notes
    • Testing Procedure
  • DTC P1178: Oil Sensor (B40), Oil Level Implausible
    • Notes
    • Testing Procedure
  • DTC P1179: Oil Sensor (B40), Oil Quality Implausible
    • Notes
    • Testing Procedure
  • DTC P1180: Oil Sensor (B40), Oil Temperature Too High
    • Notes
    • Testing Procedure
  • DTC P1181: Electric Suction-Type Fan For Engine & A/C (M4/3)
    • Testing Procedure
  • DTC P1183: Cylinder Cut-Out System Valve On Right Cylinder Bank (Y80)
    • DTC Description
  • DTC P1184: Cylinder Cut-Out System Valve On Left Cylinder Bank (Y81)
    • DTC Description
  • DTC P1185: Oil Sensor (B40), Water In Oil
    • Notes
    • Testing Procedure
  • DTC P1186: Safety Fuel Shutoff Recognized
    • Notes
    • Testing Procedure
  • DTC P1225: Variable Intake Manifold Switchover Valve (Y22/6)
    • Testing Procedure
  • DTC P1233: Throttle Valve Actuator (M16/6) Sticks (Iced)
    • Possible Causes
  • DTC P1355: Cylinder Cut-Out System Valve On Right Cylinder Bank (Y80)
    • DTC Description
  • DTC P1356: Cylinder Cut-Out System Valve On Left Cylinder Bank (Y81)
    • DTC Description
  • DTC P1357: Cylinder Cut-Out System On, Intake Valve Of Cylinder 2, 3, 5 Or 8 Is Still Actuated
    • DTC Description
  • DTC P1358: Cylinder Cut-Out System Off, Exhaust Valve Of Cylinder 5 Is Not Actuated
    • DTC Description
  • DTC P1359: Cylinder Cut-Out System Off, Exhaust Valve Of Cylinder 2 Is Not Actuated
    • DTC Description
  • DTC P1360: Cylinder Cut-Out System Off, Exhaust Valve Of Cylinder 3 Is Not Actuated
    • DTC Description
  • DTC P1361: Cylinder Cut-Out System Off, Exhaust Valve Of Cylinder 8 Is Not Actuated
    • DTC Description
  • DTC P1366: Emission Throttle Switchover Valve
    • DTC Description
  • DTC P1380: One Intake Valve Of A Cylinder Is Not Actuated With Cylinder Cut-Out System Off
    • DTC Description
  • DTC P1386: Anti-Knock Control By Me-SFI Control Module (N3/10) At Control Stop
    • DTC Description
    • Possible Causes
  • DTC P1400: EGR Transducer (Y31/1)
    • DTC Description
    • Testing Procedure
  • DTC P1420: Air Pump Switchover Valve (Y32)
    • DTC Description
    • Testing Procedure
  • DTC P1453: Air Pump Relay
    • DTC Description
    • Testing Procedure
  • DTC P1491: Refrigerant Pressure In A/C System Too High
    • Possible Causes
  • DTC P1542: Pedal Value Sensor (B37)
    • DTC Description
    • Testing Procedure
  • DTC P1570: Starting Authorization From Drive Authorization System (DAS) Not Granted, Start Attempted With Locked DAS
    • Possible Cause
  • DTC P1570: Starting Authorization From Drive Authorization System (DAS) Not Granted, Controller Area Network (Can) From DAS Control Module To Me-SFI Control Module (N3/10) Damaged
    • Testing Procedure
  • DTC P1570: Starting Authorization From Drive Authorization System (DAS) Not Granted, Me-SFI Control Module (N3/10) & DAS Control Module Do Not Match
    • Possible Causes
  • DTC P1580: Throttle Valve Actuator (M16/6)
    • DTC Description
    • Testing Procedure
  • DTC P1584: Stop Light Switch
    • Possible Causes
  • DTC P1603: Controller Area Network (Can) Of Electronic Ignition Switch (EIS)
    • Testing Procedure
  • DTC P1605: Signal For Poor Road Detection (By Comparing Wheel Speeds)
    • Possible Causes
  • DTC P1642: Me-SFI Control Module (N3/10) Coded Incorrectly
    • Notes
    • Possible Causes
  • DTC P1644: Transmission Versions Cannot Be Checked Due To UNDERVOLTAGE At Electronic Transmission Control (Etc) Module (N15/3)
    • Possible Causes
  • DTC P1666: Cylinder Cut-Out System Valve Does Not Open With Cylinder Cut-Out System On
    • DTC Description
  • DTC P1681: Crash Signal
    • Testing Procedure
  • DTC P1747: Controller Area Network (Can) Fault, Transmission Protection Malfunction Of Electronic Transmission Control (Etc) Module (N15/3)
    • DTC Description
    • Possible Causes
  • DTC P1747: Controller Area Network (Can) Fault, Instrument Cluster
    • DTC Description
    • Possible Causes
• Fuel Injector Tests
  • Injector Leak Test
  • Injector Spray Pattern
• Signal Pattern Identification