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HOMESERVICE MANUALSNISSAN-DATSUN2003FRONTIER BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - SELF-DIAGNOSTICSSELF-DIAGNOSTIC SYSTEMFREEZE-FRAME DATA
2003 Nissan-Datsun Frontier Base, Standard

Freeze-Frame Data

2003 Nissan-Datsun Frontier Base, StandardSECTION Freeze-Frame Data
NOTE: 1st trip freeze-frame data values can only be displayed with Nissan's CONSULT, and are not displayed on generic scan tool.

ECM records operating conditions such as fuel system status, calculated load value, engine coolant temperature, short term fuel trim, long term fuel trim, engine speed, vehicle speed and absolute pressure. Freeze-frame data is a "snapshot" of these operating conditions present when a fault is detected. When a fault is detected for the first time, ECM stores the first trip DTC, along with first trip freeze-frame data. Only one set of freeze-frame data can be stored in ECM (either first trip freeze-frame data or freeze-frame data). There is no priority for first trip freeze frame data. It is updated each time a different first trip DTC is stored. If a fault is detected for the second time, first trip freeze-frame data is replaced with freeze-frame data.

Freeze-frame data is updated in order of priority. See FREEZE FRAME PRIORITY IDENTIFICATION  table. If a priority 1 fault (misfire or fuel injection system malfunction) is detected in another trip when priority 2 freeze-frame data is already stored in ECM, priority 2 freeze-frame data will be replaced by priority 1 freeze-frame data.

NOTE: Only one 1st trip DTC and one freeze-frame data "snapshot" can be stored in ECM. If using a generic scan tool, 1st trip DTC freeze-frame information may not be accessible. Use CONSULT-II to retrieve 1st trip DTC freeze-frame information.
FREEZE FRAME PRIORITY IDENTIFICATION

Priority Items
1 Freeze Frame Data For Misfire DTC P0300-P0304 (all) or P0306 (V6), Fuel Injection System DTC P0171, P0172 (all), P0174, P0175 (V6)
2 All Freeze Frame Data Except Priority 1 (all) and A/T related items (V6)
3 1st Trip Freeze Frame Data
RENDER: 1.0x

NO RELATED

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