DV11
Operation and Maintenance
162
Engine Diagnostic
Printed in Mar. 2005 PS-MMA0608-E1A
3.8.9. Limp home function
z The limp home is a function which the vehicle can be operated to the
maintenance shop with minimum condition for traveling on the condition of
taking safety when the defect code is occurred.
z Application condition
- Accelerator pedal is trouble : The vehicle is operated by constant engine
speed no relation to depressing of the accelerator pedal.
- Sensor is trouble : The vehicle is operated with constant transfer value when
the trouble of all kinds sensors is occurred.
- Fuel quantity is limited : The fuel quantity supplied into the engine is limited
according to kind of the defect. (is applied by division into 4 stages)
- Diagnostic information output lamp : The safety driving is leaded to the
driver by proposal of information about status of occurred faults.
3.8.10. Diagnostic
z Diagnostic information output lamp (CEL: Check engine lamp) is operated when
the trouble is occurred.
z Operation of CEL and level of importance of faults
- Defect of slight level : lamp is not lighted.
¾ No influence on performance
- Defect of middle level : lamp is lighted continuously.
¾ Little influence on performance, but the check is needed.
- Defect of serious level : lamp is blinked.
¾ Engine power is dropped
¾ Engine power is not dropped, but the check is needed unavoidably after
low speed operating.
z Method of confirmation of the fault code by using the CEL
- The fault code is displayed one by one every time switch of the CEL is
depressed.
z Diagnostic by the SCAN-200
- Diagnostic is executed by the connection SCAN-200 to the connector in the
relay box.
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