4-2 FI SYSTEM DIAGNOSIS
CONTENTS
FI SYSTEM DIAGNOSIS
DTC “C41” (P0230-H/L): FP RELAY CIRCUIT MALFUNCTION ......... 4-66
DTC “C41” (P2505): ECM POWER INPUT SIGNAL
MALFUNCTION..................................................................................... 4-69
DTC “C42” (P1650): IG SWITCH CIRCUIT MALFUNCTION............... 4-70
DTC “C44” (P0130/P0135):
HO2 SENSOR (HO2S) CIRCUIT MALFUNCTION ............................... 4-71
DTC “C49” (P1656):
PAIR CONTROL SOLENOID VALVE CIRCUIT MALFUNCTION ........ 4-81
DTC “C60” (P0480):
COOLING FAN RELAY CIRCUIT MALFUNCTION .............................. 4-85
DTC “C65” (P0506/P0507): IDLE SPEED MALFUNCTION ................ 4-89
SENSORS .................................................................................................... 4-91
CKP SENSOR INSPECTION ................................................................ 4-91
CKP SENSOR REMOVAL AND INSTALLATION ................................ 4-91
IAP SENSOR INSPECTION .................................................................. 4-91
IAP SENSOR REMOVAL AND INSTALLATION .................................. 4-91
TP SENSOR INSPECTION ................................................................... 4-91
TP SENSOR REMOVAL AND INSTALLATION ................................... 4-91
TPS ADJUSTMENT............................................................................... 4-91
ECT SENSOR INSPECTION................................................................. 4-92
ECT SENSOR REMOVAL AND INSTALLATION................................. 4-92
IAT SENSOR INSPECTION .................................................................. 4-92
IAT SENSOR REMOVAL AND INSTALLATION .................................. 4-92
TO SENSOR INSPECTION ................................................................... 4-92
TO SENSOR REMOVAL AND INSTALLATION ................................... 4-92
HO2 SENSOR INSPECTION................................................................. 4-93
HO2 SENSOR REMOVAL AND INSTALLATION ................................ 4-93