2.12.7 Diagnostic Information and Procedures
2.12.7.1 Diagnosis Description
Before carry out the control system diagnostic. Refer to
Understand and get familiar with control system working principle, and then start systematic diagnostic, so that it will help to determine
the correct diagnostic steps, more importantly, it also help to determine whether the customer described situation is normal.
Before any control system fault diagnostic, using the
as a starting point to guide the servie personnel
to take the next logical step for fault diagnosis. Understand and correctly use the diagnostic flow chart can reduce the diagnostic
time and avoid misjudge on components.
2.12.7.2 Control System Check
For 4G15-D engine control system check. Refer to the 4G18-D engine
.
2.12.7.3 Intermittent Fault Check
For 4G15-D engine intermittent fault check, please refer to the 4G18-D engine
2.12.7.4 Symptoms Table
If a malfunction occurs, but it has been not stored in ECM DTC code (DTC), and its faulty reason can not be identified in the basic
diagnostic, carry out the diagnostic based on the following table listed order.
Symptoms
Suspected Faulty Items
Relevant Sections
Retardation, Engine Speed Decreases,
Speed Instability
Fault Definition: When pressing the
acceleration pedal, there is no
response.
At
any
speed,
this
malfunction may occur. Start the vehicle
for the first time (for example, start after
parking), this malfunction is usually
more obvious. In severe cases, this
malfunction may lead to engine stalling.
1.ECM Power Supply Circuit
Refer to
2. Intake Manifold Absolute Pressure (MAP)
Sensor
Refer to
3. Fuel Pressure Abnormal
Refer to
4. Injector Working Abnormal
5. Mixture Too Rich
Refer to
6. Mixture Too Lean
7. Ignition system: spark plug abnormal, ignition
wires abnormal.
Refer to
8. Knock Sensor (KS) system, the ignition delay
is too great.
9. Crankshaft Position Sensor
Refer to
10. Thermostat Abnormal
11. Generators Working Abnormal
Refer to
in
Only when Air-Conditioning is working,
the engine stalls.
1. Air-Conditioning Signal Circuit
Refer to
2-606
Control System JL4G15-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Содержание EC715 2009
Страница 4: ......
Страница 312: ...2 3 4 5 Fuel Injectors FE02 2022b 2 230 Fuel System JL4G18 D Engine EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 330: ...Next Step 10 End 2 248 Fuel System JL4G18 D Engine EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 516: ...2 7 4 3 Front Muffler Assembly FE02 2032b 2 434 Exhaust System JL4G18 D Engine EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 517: ...2 7 4 4 Rear Muffler Assembly FE02 2033b Engine Exhaust System JL4G18 D 2 435 EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 519: ...2 7 4 6 Front Muffler Heat Shield FE02 2034b Engine Exhaust System JL4G18 D 2 437 EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1164: ......
Страница 1257: ...Next Step 9 System normal Brake System ABS TCS EBD ESP 6 93 EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1278: ...6 7 8 Special Tools and Equipment 6 7 8 1 Trigger Tool FE06 1007b 6 114 TPMS Brake System EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1412: ...9 2 6 4 Warning lamp Always On Schematic 9 14 Airbag System Safety Protection Device EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1703: ...Rear Wiper Motor Hatchback FE11 2009c Body Electric Wipers Washers System 11 219 EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1704: ...Washer Fluid Tank Sedan FE11 2010b 11 220 Wipers Washers System Body Electric EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1705: ...Washer Fluid Tank Hatchback FE11 2010c Body Electric Wipers Washers System 11 221 EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1706: ...Rear Washer Nozzle Hatchback FE11 2011c 11 222 Wipers Washers System Body Electric EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1734: ...Next Step 13 System normal 11 250 Wipers Washers System Body Electric EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1860: ...BCM FE11 0803b 11 376 Remote Anti theft System Body Electric EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1951: ...Reverse Radar Control Module FE11 1207b Body Electric Reverse Radar 11 467 EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 1954: ...16 R Control Module Power Supply Gear In Reverse 12 V 11 470 Reverse Radar Body Electric EC718 EC718RV EC715 EC715RV 10 2009 ...
Страница 2008: ......
Страница 2104: ...FE12 0085c 2 Install the hatchback seal 12 96 Interior Trim Body Sheet Metal and Painting EC718 EC718RV EC715 EC715RV 10 2009 ...