Navistar N9, Diagnostic Manual, Page: 19 / 51

1 DIAGNOSTIC TROUBLESHOOTING PROCEDURES 15
SPN FMI Sub-section Condition Description
1173 16 TC2CIT (page 1978) TC2CIT signal above desired (Low Pressure CAC Interstage
under cooling)
1189 3 TC2WC (page 1997) TC2WC short to PWR
1189 4 TC2WC (page 1997) TC2WC Open or short to GND
1209 0 AMS (page 381) EBP above desired level
1209 1 EBP (page 914) EBP below desired level
1209 2 EBP (page 914) EBP signal erratic, intermittent, or incorrect
1209 3 EBP (page 914) EBP signal Out of Range HIGH
1209 4 EBP (page 914) EBP signal Out of Range LOW
1209 7 AMS (page 381) EBP signal not responding as expected
1322 31 Engine (page 1132) Misfire - Multiple Cylinders
1323 31 Engine (page 1132) Misfire - Cylinder 1
1324 31 Engine (page 1132) Misfire - Cylinder 2
1325 31 Engine (page 1132) Misfire - Cylinder 3
1326 31 Engine (page 1132) Misfire - Cylinder 4
1327 31 Engine (page 1132) Misfire - Cylinder 5
1328 31 Engine (page 1132) Misfire - Cylinder 6
1378 31 EWPS (page 1210) Change Engine Oil Service Interval
1387 31 ECM (page 1000) Altitude Reference Adder Fault
1569 31 DEFTLT (page 746) SCR Tamperproof Warning & Protection System Inducement
Severe
1659 20 ECT1 (page 1033) ECT1 below expected: Check Thermostat
1761 1 DEFTLT (page 746) DEFTL Inducement (Level 3 - 4)
1761 3 DEFTLT (page 746) DEFTL signal Out of Range HIGH
1761 4 DEFTLT (page 746) DEFTL signal Out of Range LOW
1761 10 DEFTLT (page 746) DEF Level abnormal rate of change
1761 11 DEFTLT (page 746) DEFTL signal erratic, intermittent, or incorrect
1761 17 DEFTLT (page 746) DEFTL Inducement Level 1
1761 18 DEFTLT (page 746) DEFTL Inducement Level 2
1761 19 DEFTLT (page 746) DEFTL not detected on J1939
2623 3 APP (page 402) APP2 signal Out of Range HIGH
2623 4 APP (page 402) APP2 signal Out of Range LOW
2630 2 CACOT (page 439) CACOT signal erratic, intermittent, or incorrect
2630 3 CACOT (page 439) CACOT signal Out of Range HIGH
2630 4 CACOT (page 439) CACOT signal Out of Range LOW
2630 16 CACOT (page 439) CACOT Undercooling