Nissan Sentra Service Manual: Dtc/circuit diagnosis

Basic inspection

Diagnosis and repair workflow Work flow (with exp-800 ni or gr8-1200 ni) CHARGING SYSTEM DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI To test the charging system, use the following special service tool ...

Charging system preliminary inspection

Diagnosis Procedure 1.CHECK BATTERY TERMINALS CONNECTION Check if battery terminals are clean and tight. Is the inspection result normal? YES >> GO TO 2. NO >> Repair battery term ...

Other materials:

Shift position indicator circuit
Component Parts Function Inspection 1.CHECK SHIFT POSITION INDICATOR Start the engine. Shift selector lever. Check that the selector lever position and the shift position indicator on the combination meter are identical. Is the inspection result normal? YES >> INSPECTION END N ...

P0420 Three way catalyst function
DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage c ...

Main line between ipdm-e and dlc circuit
Diagnosis procedure 1.Check connector Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side). Harness connector E4 Harness connec ...