2007 ISUZU KB P190 Workshop Repair Manual

Page 2361 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–191
DIAGNOSTIC TROUBLE CODE (DTC) P0443 EVAPORATIVE (EVAP) EMISSION CONTROL SYSTEM PURGE CONTROL CIRCUIT
Condition for setting the DTC and action taken when the

Page 2362 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E–192 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0443 
EVAP Emission Control System Purge Control Circuit
Step Action Value(s) Yes No
1 Was the “On-Board Diagnostic (OBD) Sy

Page 2363 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–193
6 Using the DVM and check the purge solenoid valvepower supply circuit.
1. Ignition “On”, engine “Off”.  
2. Disconnect the purge solenoid valve conn

Page 2364 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E–194 ENGINE DRIVEABILITY AND EMISSIONS
9 Using the DVM and check the purge solenoid valvesignal circuit.
1. Ignition “On”, engine “Off”.  
2. Disconnect the purge solenoid valve connector.

Page 2365 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–195
DIAGNOSTIC TROUBLE CODE (DTC) P0502 VEHICLE SPEED SENSOR (VSS) CIRCUIT LOW INPUT
Condition for setting the DTC and action taken when the DTC sets 
Circuit De

Page 2366 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E–196 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0502 Vehicle Speed Sensor Circuit Low Input
StepAction Value(s) Yes No
1 Was the “On-Board Diagnostic (OBD) System Check”

Page 2367 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–197
6 Using the DVM and check the VSS signal.1.  Ignition “On”, vehicle “Run (lift up)”.  
2. Measure the VSS output voltage at sensor, meter, immobilize

Page 2368 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E–198 ENGINE DRIVEABILITY AND EMISSIONS
9 Using the DVM and check the VSS ground circuit.1. Ignition “On”, engine “Off”.  
2. Disconnect the VSS connector.  
3. Check the circuit for short