DTC C2198: Initialization Switch Error (for Test Diagnosis) [08/2022 - ]: Procedure

1. Remove the steering pad switch assembly.

   Refer to REMOVAL [10/2020 - ]

2. Inspect the steering pad switch assembly.

   Refer to INSPECTION [08/2021 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [10/2020 - ] 

Result: 

OK 

See step  2

1. Remove the spiral cable sub-assembly.

   Refer to REMOVAL [10/2020 - ]

2. Inspect the spiral cable sub-assembly.

   Refer to INSPECTION [03/2020 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [10/2020 - ] 

Result: 

OK 

See step  3

1. Disconnect the K22 spiral cable sub-assembly connector.
2. Disconnect the K21 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K22-10 (+DP2) - K21-28 (MSM+)	Always	Below 1 Ω
   K22-10 (+DP2) or K21-28 (MSM+) - Body ground	Always	10 kΩ or higher
   K22-11 (+DP) - K21-29 (MSTI)	Always	Below 1 Ω
   K22-11 (+DP) or K21-29 (MSTI) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Disconnect the R127 or R128 tire pressure warning ECU and receiver connector.
2. Disconnect the K21 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   W/ SMART KEY SYSTEM
   
   

   Tester Connection	Condition	Specified Condition
   R127-3 (CLSW) - K21-4 (INT)	Always	Below 1 Ω
   R127-3 (CLSW) or K21-4 (INT) - Body ground	Always	10 kΩ or higher
   K21-21 (ES) - Body ground	Always	Below 1 Ω

   W/O SMART KEY SYSTEM
   
   

   Tester Connection	Condition	Specified Condition
   R128-3 (CLSW) - K21-4 (INT)	Always	Below 1 Ω
   R128-3 (CLSW) or K21-4 (INT) - Body ground	Always	10 kΩ or higher
   K21-21 (ES) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Connect the R127 or R128 tire pressure warning ECU and receiver connector.
2. Disconnect the K21 combination meter assembly connector.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   K21-4 (INT) - Body ground	Ignition switch ON	8 to 15 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] 

Result: 

NG 

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER. Refer to  REMOVAL [10/2020 - ]