DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The Signal Tech II Tool [- (J-50190)] can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTCs
Register TPMS sensor IDs

PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT
With CONSULT

Perform "Self Diagnostic Result" for "ABS". Refer to CONSULT Function (ABS) .

Are any DTCs detected?

YES

Refer to DTC Index .

NO

GO TO 2.
PERFORM LOW TIRE PRESSURE WARNING CONTROL UNIT SELF DIAGNOSTIC RESULT
With CONSULT

Perform "Self Diagnostic Result" for "AIR PRESSURE MONITOR".

Is DTC "C1729" detected?

YES

Replace the low tire pressure warning control unit. Refer to Removal and Installation .

NO

GO TO 3.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT INPUT/OUTPUT SIGNAL
Check the low tire pressure warning control unit input/output signal values. Refer to Reference Value .

Is the inspection result normal?

YES

Check pin terminal and connection of each harness connector for malfunctioning conditions.

NO

Replace the low tire pressure warning control unit. Refer to Removal and Installation .