TIRE PRESSURE WARNING SYSTEM, Diagnostic DTC:C2198/98

DTC Code	DTC Name
C2198/98	Initialization Switch (for Test Mode DTC)

DESCRIPTION

During test mode, when the tire pressure warning reset switch is on, the tire pressure warning light comes on and when the tire pressure warning reset switch is off, the tire pressure warning light blinks at 0.125 second intervals.

DTC No.	DTC Detection Condition	Trouble Area
C2198/98	Test mode procedure is performed.	Tire pressure warning reset switch Wire harness or connector Tire pressure warning ECU and receiver

WIRING DIAGRAM


*a	Tire Pressure Warning Reset Switch
*b	Tire Pressure Warning ECU and Receiver

CAUTION / NOTICE / HINT

Note

When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the GTS and write them down before removal.
It is necessary to perform initialization (See page ) after registration Click here of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU and/or one of the valve and transmitters has been replaced.

PROCEDURE

INSPECT TIRE PRESSURE WARNING RESET SWITCH
1. Remove the tire pressure warning reset switch Click here.
2. Inspect the tire pressure warning reset switch Click here.
NG
REPLACE TIRE PRESSURE WARNING RESET SWITCH Click here

OK

CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING RESET SWITCH - TIRE PRESSURE WARNING ECU AND RECEIVER)

Disconnect the F94 tire pressure warning reset switch connector.
Disconnect the K37 tire pressure warning ECU and receiver connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Switch Condition	Specified Condition
K37-3 (CLSW) - F94-1	Always	Below 1 Ω
K37-3 (CLSW) or F94-1 - Body ground	Always	10 kΩ or higher
F94-2 - Body ground	Always	Below 1 Ω

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here

REPAIR OR REPLACE HARNESS OR CONNECTOR