Diagnosis System (Combination Meter): Description

COMBINATION METER SELF-DIAGNOSIS MODE 

The following meter functions can be checked during Combination Meter Self-Diagnosis Mode:

• Pointer sweep of speedometer, tachometer and gauges.
• Illumination of all LCD segments and color patterns for meter displays.
• Illumination of all lamps/LEDs that are controlled by the combination meter (regardless of switch status).

STARTING COMBINATION METER SELF-DIAGNOSIS MODE 

How to Initiate Self-Diagnosis Mode 

1. Ignition switch OFF.
2. While pressing the trip reset switch (1), place the ignition switch ON.

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3. Keep pressing the trip reset switch for 1 second or more.
4. Press the trip reset switch at least 3 times. (Within 7 seconds after the push-button ignition switch is pressed ON.)
5. "Work instruction code" is indicated in the top portion of information display and self-diagnosis is started.
6. The mode switches in the order shown below each time the trip reset switch is pressed.

Test order	Test item	Description
1	Work instruction code	This item is displayed, but not used.
2	Part number
3	Software code
4	EEPROM code
5	Hardware code
6	P.C.B code
7	Circuit check	The pointer of the following items moves from 0 to MAX twice: Speedometer Tachometer Engine coolant temperature gauge Fuel gauge NOTE: If any one of the pointers does not sweep, replace combination meter.
8	Color check*1	Performs the color check of the information display.
9	error code*2	Displays the error code of the following items: Speedometer Tachometer Engine coolant temperature gauge Fuel gauge Illumination switch Trip reset switch
10	Warning/indicator lamp check	Warnings/indicator lamps illuminate. NOTE: When either one of them does not turn ON, replace combination meter. SRS air bag warning lamp or security indicator lamp do not illuminate.

*1: Color Check

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	Blue		Red		Pink
	Green		Light blue		Yellow
	White		White		Black
	Light blue		Black		Pink
	Black		Blue		Black
	Dark blue		White		Blue

*2: Error Code

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Item		Code	Description	Action to take/Reference
	Speedometer	0	Normal	-
		1	A vehicle speed signal cannot be received from ABS actuator and electric unit (control unit).	Select "Self Diagnostic Result" mode of "ABS". Refer to DTC Index .
		2	A vehicle speed signal received from the ABS actuator and electric unit (control unit) is abnormal.
	Tachometer	0	Normal	-
		1	An engine speed signal cannot be received from ECM.	Select "Self Diagnostic Result" mode of "ENGINE". Refer to DTC Index .
	Fuel gauge	0	Normal	-
		1	Fuel gauge circuit is short.	Refer to Diagnosis Procedure .
		2	Fuel gauge circuit is open.
	Engine coolant temperature gauge	0	Normal	-
		1	An engine coolant temperature signal cannot be received from ECM.	Select "Self Diagnostic Result" mode of "ENGINE". Refer to DTC Index .
	Illumination switch	0	Normal	-
		1	Illumination switch circuit is shorted for 5 minutes or more.	Refer to Diagnosis Procedure .
	Trip reset switch	0	Normal	-
		2	Trip reset switch circuit is shorted for 5 minutes or more.	Refer to Diagnosis Procedure .
	-	0	Displays "0" constantly.	-
	-	0	Displays "0" constantly.	-

How to Reset Error Code 

Error codes stored in combination meter can be reset by following the instructions below:

1. Ignition switch OFF.
2. While pressing the trip reset switch, ignition switch ON.
3. Keep pressing the trip reset switch for 1 second or more.
4. Press the trip reset switch at least 3 times. (Within 7 seconds after the push-button ignition switch is pressed ON.)
5. Ignition switch OFF.
6. Perform self-diagnosis and check that the error codes are reset.