With Integrated Fault-Diagnosis System (Flash Codes)

LH 2.4 fault codes (M1990-)

Note: The proposed action given in the following table should be regarded primarily as the starting point for further fault diagnosis. The self-diagnosis function incorporated in the LH 2.4 system has two advantages: the ability to store data on occasional (intermittent) faults; and the ability to check the effect of action taken to rectify a fault.


Flash Codes










Additional Flash Codes