2.2.7 Diagnostic Information and Procedures
2.2.7.1 Diagnostic Description
Before diagnose the control system, please refer to
and
. Understand and become
familiar with control system working principle and then start systematic diagnosis, so that in the event of faults it will help determine
the correct Diagnostic Steps, more importantly, it will also help to determine whether the customer described situation is normal or
not.
Any control system fault diagnosis should start with "Control System Check" as a starting point. "Control System Check" will guide
the service personnel to take the next logical step to diagnose the fault. Understand and the correct use of diagnostic flow charts
can reduce diagnostic time and avoid misjudging a component.
2.2.7.2 Control System Check
Before the control system check, please do following preliminary checks:
1. Check the battery terminal voltage to ensure an adequate power supply and a stable voltage.
2. Check the battery cables, clean and tighten.
3. Check the easy to access system components whether there are obvious damages that may cause the symptoms, such as
vacuum tube damage and the reliability of wiring harness connectors connection.
4. Check control module and battery ground points whether there are copper oxidizing or signs of loosening.
5. Check control system whether it is likely to affect the normal system operation after the installation of aftermarket equipments.
Diagnostic Steps:
Step 1
Verify customer described faults.
Next
Step 2
Connect a scan tool.
(a)
Install the scan tool.
(b)
Turn on the scan tool.
Is the scan tool connected?
No
Yes
Step 3
Start communication between the scan tool and the engine control module.
(a)
Turn the ignition switch to "ON", but do not Start the engine.
(b)
Try to establish communication between the scan tool and
engine control module (ECM) .
Can the scan tool communicate with engine control module?
No
Yes
Step 4
Start the engine and run at idle speed. Can the engine start?
2-32
Control System JL4G18-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 ...