Component Function Check
WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
- PERFORM COMPONENT FUNCTION CHECK
Without CONSULT
- Start engine and warm it up to the normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
- Let engine idle for 1 minute.
- Open engine hood.
- Check the voltage between ECM harness connector terminals as per the following condition.
DTC
ECM
Condition
Voltage
Connector
+
-
Terminal
P0420
F77
57
59
Keeping engine speed at 2, 500 rpm constant under no load
The voltage fluctuation cycle takes more than 5 seconds.
- 1 cycle: 0.6 - 1.0 → 0 - 0.3 → 0.6 - 1.0
P0430
58
Is the inspection result normal?
YES
INSPECTION END
NO
Proceed to Diagnosis Procedure .