Symptom Troubleshooting (Engine - MZI-3.7)
- Symptom Troubleshooting Wiring Diagram [MZI-3.7]
- Symptom Diagnostic Index [MZI-3.7]
- Quick Diagnostic Chart [MZI-3.7]
- Foreword [MZI-3.7]
- No. 1 Melting Of Main Or Other Fuses [MZI-3.7]
- No. 2 Mil Illuminates [MZI-3.7]
- No. 3 Will Not Crank [MZI-3.7]
- No. 4 Hard To Start/Long Crank/Erratic Start/Erratic Crank [MZI-3.7]
- No. 5 Engine Stalls-After Start/At Idle [MZI-3.7]
- No. 6 Cranks Normally But Will Not Start [MZI-3.7]
- No. 7 Slow Return To Idle [MZI-3.7]
- No. 8 Engine Runs Rough/Rolling Idle [MZI-3.7]
- No. 9 Fast Idle/Runs On [MZI-3.7]
- No. 10 Low Idle/Stalls During Deceleration [MZI-3.7]
- No. 11 Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges [MZI-3.7]
- No. 12 Lack/Loss Of Power-Acceleration/Cruise [MZI-3.7]
- No. 13 Knocking/Pinging-Acceleration/Cruise [MZI-3.7]
- No. 14 Poor Fuel Economy [MZI-3.7]
- No. 15 Emission Compliance [MZI-3.7]
- No. 16 High Oil Consumption/Leakage [MZI-3.7]
- No. 17 Cooling System Concerns-Overheating [MZI-3.7]
- No. 18 Cooling System Concerns-Runs Cold [MZI-3.7]
- No. 19 Exhaust Smoke [MZI-3.7]
- No. 20 Fuel Odor (In Engine Compartment) [MZI-3.7]
- No. 21 Engine Noise [MZI-3.7]
- No. 22 Vibration Concerns (Engine) [MZI-3.7]
- No. 23 A/C Does Not Work Sufficiently [MZI-3.7]
- No. 24 A/C Is Always On Or A/C Compressor Runs Continuously [MZI-3.7]
- No. 25 A/C Does Not Cut Off Under Wide Open Throttle Conditions [MZI-3.7]
- No. 26 Exhaust Sulphur Smell [MZI-3.7]
- No. 27 Fuel Refill Concerns [MZI-3.7]
- No. 28 Fuel Filling Shut Off Concerns [MZI-3.7]
- No. 29 Spark Plug Condition [MZI-3.7]
- Intermittent Concern Troubleshooting [MZI-3.7]
- Engine Control System Operation Inspection [MZI-3.7]
- Input Signal System Inspection Procedure
- Notes
- Finding irregular signals
- Locating the source of unusual signals
- Variable resistance type (TP sensor)
- Input signal system inspection for variable resistance type
- Standard power supply system inspection for variable resistance type
- GND system inspection for variable resistance type
- Thermistor type (IAT sensor and CHT sensor)
- Input signal system inspection for thermistor type
- GND system inspection for thermistor type
- Main Relay Operation Inspection
- Electronic Throttle Control System Inspection
- Fuel Injector Operation Inspection
- Fuel Cut Control System Inspection
- Fuel Pump Operation Inspection
- Fuel Pump Speed Control System Inspection
- Spark Test
- Purge Control System Inspection
- A/C Cut-off Control System Inspection
- Cooling Fan Control System Inspection
- Variable Valve Timing Control System Operation Inspection
- Evaporative Emission (EVAP) System Leak Inspection
- EVAP system leak inspection using the M-MDS
- Input Signal System Inspection Procedure