ON-BOARD DIAGNOSTIC SYSTEM FUNCTION (TIRE PRESSURE MONITORING SYSTEM)

id020200100200

Malfunction Detection Function

• The malfunction detection function detects malfunctions in the input/output signal system of the tire pressure monitoring system (TPMS) control module based on abnormal signals from the wheel units when the ignition switch is in the ON position or driving the vehicle.

• The TPMS warning light illuminates for approx. 3.0 s when the ignition switch is turned to the ON position to inspect for open circuits in the light.

Malfunction Indication Function

• When the malfunction detection function detects a malfunction, the TPMS warning light illuminates to advise the driver. Using the external tester communication function, DTCs can be output to the DLC-2 via the CAN communication line. At the same time, malfunction detection results are sent to the memory functions.

Memory Function

• The memory function stores DTCs for malfunctions in input/output signal systems. With this function, once a DTC is stored it is not cleared after the ignition switch has been turned off (LOCK position), even if the malfunctioning signal system has returned to normal.

• Since instrument cluster has a built-in non-volatile memory, DTCs are not cleared even if the battery is removed. Therefore, it is necessary to clear the memory after performing repairs. Refer to the Workshop Manual for the DTC clearing procedure.

DTC Table

Description

DTC No.

TPMS Warning Light Illumination Condition

TPMS Warning Light Illumination Pattern

M-MDS

Instrument cluster internal malfunction

B1342

Illuminated

ID registration failure

B2143

Illuminated

Instrument cluster configuration not performed

B2477

Illuminated

Wheel unit No.1 internal malfunction

B2868

Illuminated

Wheel unit No.2 internal malfunction

B2869

Illuminated

Wheel unit No.3 internal malfunction

B2870

Illuminated

Wheel unit No.4 internal malfunction

B2871

Illuminated

Communication error between instrument cluster and keyless receiver

U0127

Illuminated

Wheel unit No.1 (No response)

U2616

Illuminated

Wheel unit No.2 (No response)

U2617

Illuminated

Wheel unit No.3 (No response)

U2618

Illuminated

Wheel unit No.4 (No response)

U2619

Illuminated

Description	DTC No.	TPMS Warning Light Illumination Condition	TPMS Warning Light Illumination Pattern
Description	M-MDS	TPMS Warning Light Illumination Condition	TPMS Warning Light Illumination Pattern
Instrument cluster internal malfunction	B1342	Illuminated
ID registration failure	B2143	Illuminated
Instrument cluster configuration not performed	B2477	Illuminated
Wheel unit No.1 internal malfunction	B2868	Illuminated
Wheel unit No.2 internal malfunction	B2869	Illuminated
Wheel unit No.3 internal malfunction	B2870	Illuminated
Wheel unit No.4 internal malfunction	B2871	Illuminated
Communication error between instrument cluster and keyless receiver	U0127	Illuminated
Wheel unit No.1 (No response)	U2616	Illuminated
Wheel unit No.2 (No response)	U2617	Illuminated
Wheel unit No.3 (No response)	U2618	Illuminated
Wheel unit No.4 (No response)	U2619	Illuminated