1998 Nissan Sentra GA Service Repair Manual

GA Engine

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Attachment No.5

TEST VALUE AND TEST LIMIT (GST ONLY — NOT APPLICABLE TO CONSULT-II) The following is the information specified in Mode 6 of SAE J1979.

The test value is a parameter used to determine whether a system/circuit diagnostic test is “OK” or “NG” while being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the maximum or minimum value and is compared with the test value being monitored.

Items for which these data (test value and test limit) are displayed are the same as SRT code items.

These data (test value and test limit) are specified by Test ID (TID) and Component ID (CID) and can be displayed on the GST screen.

SRT item

Self-diagnostic test item

CATALYST

Three way catalyst function

EVAP SYSTEM

EVAP control system (Small leak) EVAP control system purge flow monitoring

Heated oxygen sensor 1 HO2S

Heated oxygen sensor 2

Heated oxygen sensor 1 heater HO2S HTR Heated oxygen sensor 2 heater

EGR function EGR SYSTEM

EGRC-BPT valve function

DTC P0420 P0420 P0440 P1440 P1447 P0133 P0131 P0130 P0132 P0134 P0139 P0137 P0140 P0138 P0135 P0135 P0141 P0141 P0400 P0400 P0400 P0400 P1402 P0402 P0402

Test value (GST display) TID CID 01H 02H 05H 05H 06H 09H 0AH 0BH 0CH 0DH 19H 1AH 1BH 1CH 29H 2AH 2DH 2EH 31H 32H 33H 34H 35H 36H 37H

01H 81H 03H 03H 83H 04H 84H 04H 04H 04H 86H 86H 06H 06H 08H 88H 0AH 8AH 8CH 8CH 8CH 8CH 0CH 0CH 8CH

Test limit

Conversion

Max. Min. Max. Max. Min. Max. Min. Max. Max. Max. Min. Min. Max. Max. Max. Min. Max. Min. Min. Min. Min. Min. Max. Max. Min.

1/128 1 1/128mm2 1/128mm2 20mV 10ms 10mV 10mV 10mV 1s 10mV/500ms 10mV 10mV 10mV 20mV 20mV 20mV 20mV 1 1 1 1 1 1count 1count

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