TIRE PRESSURE WARNING CHECK SWITCH

1. Turn the ignition switch ON.
   ■ CAUTION ■
   Never start engine.
   
2. Short-circuit the tire pressure warning check switch connector terminal to the ground.
3. Check that the low tire pressure warning lamp blinking.

YES>>INSPECTION END

NO>>Perform diagnosis. Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).

1. Turn the ignition switch ON.
   ■ CAUTION ■
   Never start the engine.
   
2. Check the voltage between tire pressure warning check switch connector and ground.
   

   Tire pressure warning check switch		—	Voltage (Approx.)
   Connector	Terminal
   M23	1	Ground	7.6 - 14.6 V

   
   

YES>>Repair or replace low tire pressure warning control unit. Replace low tire pressure warning control unit. Refer to Exploded View (GT-R certified NISSAN dealer).

NO>>GO TO 2.

1. Turn the ignition switch OFF.
2. Disconnect low tire pressure warning control unit harness connector
3. Check the continuity between low tire pressure warning control unit harness connector and tire pressure warning check switch connector.
   

   Low tire pressure warning control unit		Tire pressure warning check switch		Continuity
   Connector	Terminal	Connector	Terminal	Existed
   M14	12	M23	1

   
   
4. Check the continuity between low tire pressure warning control unit harness connector and ground.
   

   Low tire pressure warning control unit		—	Continuity
   Connector	Terminal
   M14	12	Ground	Not existed

   
   

YES>>GO TO 3.

NO>>Repair or replace error-detected parts.

Check the low tire pressure warning control unit input/output signal. Refer to Reference Value (GT-R certified NISSAN dealer).

YES>>INSPECTION END

NO>>Check low tire pressure warning control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. Replace low tire pressure warning control unit. Refer to Exploded View (GT-R certified NISSAN dealer).