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9-4 FAILURE DIAGNOSIS MODE TABLE
This engine has the failure diagnosis system to know that low voltage of DC battery and each wiring whether
disconnecting or electrical short circuit .
The ECU monitors engine various conditions for the system when turn the key to the “RUN”(ON) position .
DISPLAY MODE
CONDITION
LAMP CONTROL
BLINK CODE
NO FAILURE
STEP1 . LAMP ON TWO SECONDS
STEP2 . LAMP OFF FOUR SECONDS
STEP3 . LAMP OFF
DETECT FAILURE
STEP1 AND 2 IS SAME AS "NO FAILURE"
STEP3 . DISPLAY BLINK CODE
IF MORE THAN ONE FAILURE OCCURED,
BLINK CODE WILL BE DISPLAYED IN ORDER
(FROM 21 TO 51) FOLLOWED BY A PAUSE .
DISPLAY MODE
CONDITION
LAMP CONTROL
BLINK CODE
NO FAILURE
STEP1 . LAMP OFF
DETECT FAILURE
STEP1 . LAMP OFF FOUR SECONDS
STEP2 . DISPLAY BLINK CODE
IF MORE THAN ONE FAILURE OCCURED,
BLINK CODE WILL BE DISPLAYED IN ORDER
(FROM 21 TO 51) FOLLOWED BY A PAUSE .
BLINK CODE
FAILURE DESCRIPTION
21
BATTERY VOLTAGE LOW
22
MAP SENSOR OPEN CONNECTION OR SHORTED CONNECTION
23
TEMP SENSOR OPEN CONNECTION OR SHORTED CONNECTION
31
FUEL PUMP OPEN CONNECTION
41
INJECTOR OPEN CONNECTION
51
IGNITION PULSE OPEN CONNECTION
DISPLAY MODE (WHEN IGNITION SWITCH ON)
DISPLAY MODE (AFTER IGNITION SWITCH ON)
CODE 22
