Isuzu C22NE Workshop Manual page 185

Diagnostic Aids....................................................................................................... 6E1-227
DTC (Flash DTC=55) Electrically Erasable Programmable
Read-Only Memory Error ............................................................................................ 6E1-228
DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=91)
TACHO OUT LOW ERROR .......................................................................................... 6E1-229
Circuit Description.................................................................................................. 6E1-229
Conditions for Setting the DTC.............................................................................. 6E1-229
Action Taken When the DTC Sets ......................................................................... 6E1-229
Conditions for Clearing the DTC ........................................................................... 6E1-229
Diagnostic Aids....................................................................................................... 6E1-229
DTC (Flash DTC=91) Tacho Out Low Error ............................................................... 6E1-230
DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=92)
TACHO OUT HIGH ERROR ......................................................................................... 6E1-231
Circuit Description.................................................................................................. 6E1-231
Conditions for Setting the DTC.............................................................................. 6E1-231
Action Taken When the DTC Sets ......................................................................... 6E1-231
Conditions for Clearing the DTC ........................................................................... 6E1-231
Diagnostic Aids....................................................................................................... 6E1-231
DTC (Flash DTC=92) Tacho Out High Error............................................................... 6E1-232
DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=29)
FUEL PUMP RELAY SHORTED TO GROUND ........................................................... 6E1-233
Circuit Description.................................................................................................. 6E1-233
Conditions for Setting the DTC.............................................................................. 6E1-233
Action Taken When the DTC sets.......................................................................... 6E1-234
Conditions for Clearing the DTC ........................................................................... 6E1-234
Diagnostic Aids....................................................................................................... 6E1-234
Test Description...................................................................................................... 6E1-234
Fuel Pressure Relief Procedure............................................................................. 6E1-234
Fuel Pressure Gauge Installation .......................................................................... 6E1-234
DTC (Flash DTC=29) Fuel Pump Relay Shorted To Ground................................ 6E1-234
DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=32)
FUEL PUMP RELAY SHORTED TO BATTERY........................................................... 6E1-237
Circuit Description.................................................................................................. 6E1-237
Conditions for Setting the DTC.............................................................................. 6E1-237
DRIVEABILITY AND EMISSIONS 6E1-15
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