Page 49 of 666
Circuit Diagram
HEC631
ENGINE AND EMISSION CONTROL OVERALL SYSTEMKA24E
EC-2004
Page 50 of 666
Main Power Supply and Ground Circuit
HEC632
TROUBLE DIAGNOSIS FOR POWER SUPPLYKA24E
EC-2005
Page 51 of 666
HEC633
TROUBLE DIAGNOSIS FOR POWER SUPPLYKA24E
Main Power Supply and Ground Circuit
(Cont'd)
EC-2006
Page 52 of 666
Camshaft Position Sensor (CMPS)
HEC634
TROUBLE DIAGNOSIS FOR
ªCAMSHAFT POSI SENº (DTC 11)KA24E
EC-2007
Page 53 of 666
Mass Air Flow Sensor (MAFS)
HEC635
TROUBLE DIAGNOSIS FOR
ªMASS AIR FLOW SENº (DTC 12)KA24E
EC-2008
Page 54 of 666
Vehicle Speed Sensor (VSS)
HEC636
TROUBLE DIAGNOSIS FOR NON-DETECTABLE ITEMSKA24E
EC-2009
Page 55 of 666
Heated Oxygen Sensor (HO2S)
Ð LHD Models Ð
HEC637
TROUBLE DIAGNOSIS FOR NON-DETECTABLE ITEMSKA24E
EC-2010
Page 56 of 666
Idle Air Control Valve (IACV) Ð Auxiliary Air
Control (AAC) Valve
HEC638
TROUBLE DIAGNOSIS FOR NON-DETECTABLE ITEMSKA24E
EC-2011