Symptom Troubleshooting [Engine L3 With TC)
- Symptom Troubleshooting Wiring Diagram [L3 With TC]
- Foreword [L3 With TC]
- Engine Symptom Troubleshooting [L3 With TC]
- Control System Device And Control Relationship Chart [L3 With TC]
- Quick Diagnostic Chart [L3 With TC]
- No.1 Melting Of Main Or Other Fuses [L3 With TC]
- No.2 Mil Illuminates [L3 With TC]
- No.3 Will Not Crank [L3 With TC]
- No.4 Hard To Start/Long Crank/Erratic Start/Erratic Crank [L3 With TC]
- No.5 Engine Stalls-After Start/At Idle [L3 With TC]
- No.6 Cranks Normally But Will Not Start [L3 With TC]
- No.7 Slow Return To Idle [L3 With TC]
- No.8 Engine Runs Rough/Rolling Idle [L3 With TC]
- No.9 Fast Idle/Runs On [L3 With TC]
- No.10 Low Idle/Stalls During Deceleration [L3 With TC]
- No.11 Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges [L3 With TC]
- No.12 Lack/Loss Of Power (Acceleration/Cruise)[L3 With TC]
- No.13 Knocking/Pinging [L3 With TC]
- No.14 Poor Fuel Economy [L3 With TC]
- No.15 Emission Compliance [L3 With TC]
- No.16 High Oil Consumption/Leakage [L3 With TC]
- No.17 Cooling System Concerns-Overheating [L3 With TC]
- No.18 Cooling System Concerns-Runs Cold [L3 With TC]
- No.19 Exhaust Smoke [L3 With TC]
- No.20 Fuel Odor (In Engine Compartment)[L3 With TC]
- No.21 Engine Noise [L3 With TC]
- No.22 Vibration Concerns (Engine)[L3 With TC]
- No.23 A/C Does Not Work Sufficiently [L3 With TC]
- No.24 A/C Is Always On Or A/C Compressor Runs Continuously [L3 With TC]
- No.25 A/C Does Not Cut Off Under Wide Open Throttle Conditions [L3 With TC]
- No.26 Exhaust Sulphur Smell [L3 With TC]
- No.27 Fuel Refill Concerns [L3 With TC]
- No.28 Fuel Filling Shut Off Issues [L3 With TC]
- No.29 Spark Plug Condition [L3 With TC]
- Intermittent Concern Troubleshooting [L3 With TC]
- Engine Control System Operation Inspection [L3 With TC]
- Input Signal System Investigation Procedure
- Notes
- Finding unusual signals
- Locating the source of unusual signals
- Notes
- Variable resistance type 1 (TP sensor and EGR boost sensor)
- Investigate the input signal system for variable resistance type 1
- Investigate the standard power supply system for variable resistance type 1
- Investigate the ground system for variable resistance type 1
- Variable resistance type 2 (fuel tank level sensor and mass air flow (MAF) sensor)
- Thermistor type (IAT sensor and ECT sensor)
- Main Relay Operation Inspection
- Intake Manifold Vacuum Inspection
- Electronic Throttle Control System Inspection
- Variable Swirl System Operation Inspection
- Fuel Injector Operation Inspection
- Fuel Cut Control System Inspection
- Fuel Pump Operation Inspection
- Fuel Pump Control System Inspection
- Fuel Pump Speed Control Inspection
- Spark Test
- EGR Control System Inspection
- If simulation function of M-MDS is not used:
- Purge Control System Inspection
- A/C Cut-off Control System Inspection
- Cooling Fan Control System Inspection
- Wastegate Control System Operation Inspection
- Variable Valve Timing Control System Operation Inspection
- Input Signal System Investigation Procedure