Self Diagnostic Procedure (Without Consult-III)

Turn ignition switch ON.
Ground the tire pressure warning check connector to initiate self diagnosis.
Compare the flashing pattern with the flash code chart below.

Fig 1: Example Of Low Tire Pressure Warning Lamp Flashing Pattern

Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: The system is normal when the low tire pressure warning lamp flashes 5 times and continues repeating. Self-diagnosis results are erased automatically by turning the ignition switch "OFF".

FLASH CODE OR SYMPTOM CHART

Flash Code or Symptom	Malfunction part	Reference
15 16 17 18	Tire pressure dropped below specified value. Refer to "SYSTEM DESCRIPTION ".	-
21	Transmitter no data (FL)	TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
22	Transmitter no data (FR)
23	Transmitter no data (RR)
24	Transmitter no data (RL)
31	Transmitter checksum error (FL)	TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
32	Transmitter checksum error (FR)
33	Transmitter checksum error (RR)
34	Transmitter checksum error (RL)
35	Transmitter pressure data error (FL)	TRANSMITTER PRESSURE MALFUNCTION
36	Transmitter pressure data error (FR)
37	Transmitter pressure data error (RR)
38	Transmitter pressure data error (RL)
41	Transmitter function code error (FL)	TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
42	Transmitter function code error (FR)
43	Transmitter function code error (RR)
44	Transmitter function code error (RL)
45	Transmitter battery voltage low (FL)	TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
46	Transmitter battery voltage low (FR)
47	Transmitter battery voltage low (RR)
48	Transmitter battery voltage low (RL)
52	Vehicle speed signal	TRANSMITTER PRESSURE MALFUNCTION
54	Vehicle ignition signal	VEHICLE IGNITION SIGNAL
Low tire pressure warning lamp does not come on when ignition switch is turned on.	Fuse or combination meter BCM connector or circuit BCM	TROUBLE DIAGNOSIS FOR SYMPTOMS
Low tire pressure warning lamp stays on when ignition switch is turned on.	Combination meter BCM connector or circuit BCM	TROUBLE DIAGNOSIS FOR SYMPTOMS
Low tire pressure warning lamp flashes when ignition switch is turned on.	BCM harness connector or circuit BCM Transmitter's mode off ID registration not completed yet	TROUBLE DIAGNOSIS FOR SYMPTOMS
Hazard warning lamps flash when ignition switch is turned on.	BCM harness connector or circuit BCM	DIAGNOSTIC PROCEDURE
ID registration cannot be completed.	Transmitter Remote keyless entry receiver harness connector or circuit Remote keyless entry receiver BCM harness connector or circuit BCM	DIAGNOSTIC PROCEDURE