EC-7
C
D
E
F
G
H
I
J
K
L
M
EC
A
Distributor Ignition (DI) System ............................ 601
Air Conditioner Cut Control .................................. 602
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................. 602
BASIC SERVICE PROCEDURE ............................ 604
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment ........................................................... 604
Fast Idle Cam (FIC) Inspection and Adjustment .. 615
Fuel Pressure Check ............................................ 616
Fuel Pressure Regulator Check ........................... 617
ON BOARD DIAGNOSTIC (OBD) SYSTEM .......... 619
Introduction .......................................................... 619
Two Trip Detection Logic ...................................... 619
Emission-related Diagnostic Information .............. 620
Malfunction Indicator Lamp (MIL) ......................... 634
OBD System Operation Chart .............................. 634
TROUBLE DIAGNOSIS .......................................... 640
Trouble Diagnosis Introduction ............................. 640
DTC Inspection Priority Chart .............................. 645
Fail-safe Chart ...................................................... 646
Basic Inspection ................................................... 646
Symptom Matrix Chart ......................................... 659
Engine Control Component Parts Location .......... 663
Circuit Diagram .................................................... 666
ECM Harness Connector Terminal Layout ........... 667
ECM Terminals and Reference Value .................. 667
CONSULT-II Function .......................................... 675
Generic Scan Tool (GST) Function ...................... 685
CONSULT-II Reference Value in Data Monitor Mode
. 687
Major Sensor Reference Graph in Data Monitor
Mode .................................................................... 689
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
. 692
Description ........................................................... 692
Testing Condition .................................................. 692
Inspection Procedure ........................................... 692
Diagnostic Procedure ........................................... 693
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT ...................................................................... 696
Description ........................................................... 696
Diagnostic Procedure ........................................... 696
POWER SUPPLY CIRCUIT FOR ECM .................. 697
Wiring Diagram .................................................... 697
Diagnostic Procedure ........................................... 698
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER
. 703
Description ........................................................... 703
CONSULT-II Reference Value in Data Monitor Mode
. 703
On Board Diagnosis Logic ................................... 703
DTC Confirmation Procedure ............................... 703
Wiring Diagram .................................................... 705
Diagnostic Procedure ........................................... 708
Component Inspection ......................................... 709
Removal and Installation ...................................... 710
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
..711
Description ............................................................711
CONSULT-II Reference Value in Data Monitor Mode
..711
On Board Diagnosis Logic ....................................711
DTC Confirmation Procedure ............................... 711
Wiring Diagram ..................................................... 713
Diagnostic Procedure ........................................... 717
Component Inspection .......................................... 718
Removal and Installation ...................................... 719
DTC P0101 MAF SENSOR ..................................... 720
Component Description ........................................ 720
CONSULT-II Reference Value in Data Monitor Mode
. 720
On Board Diagnosis Logic .................................... 720
DTC Confirmation Procedure ............................... 720
Overall Function Check ........................................ 722
Wiring Diagram ..................................................... 723
Diagnostic Procedure ........................................... 724
Component Inspection .......................................... 726
DTC P0102, P0103 MAF SENSOR ........................ 727
Component Description ........................................ 727
CONSULT-II Reference Value in Data Monitor Mode
. 727
On Board Diagnosis Logic .................................... 727
DTC Confirmation Procedure ............................... 727
Wiring Diagram ..................................................... 729
Diagnostic Procedure ........................................... 730
Component Inspection .......................................... 732
DTC P0112, P0113 IAT SENSOR ........................... 733
Component Description ........................................ 733
On Board Diagnosis Logic .................................... 733
DTC Confirmation Procedure ............................... 733
Wiring Diagram ..................................................... 735
Diagnostic Procedure ........................................... 736
Component Inspection .......................................... 737
DTC P0117, P0118 ECT SENSOR ......................... 738
Component Description ........................................ 738
On Board Diagnosis Logic .................................... 738
DTC Confirmation Procedure ............................... 739
Wiring Diagram ..................................................... 740
Diagnostic Procedure ........................................... 741
Component Inspection .......................................... 742
Removal and Installation ...................................... 742
DTC P0121 TP SENSOR ........................................ 743
Component Description ........................................ 743
CONSULT-II Reference Value in Data Monitor Mode
. 743
On Board Diagnosis Logic .................................... 744
DTC Confirmation Procedure ............................... 744
Wiring Diagram ..................................................... 746
Diagnostic Procedure ........................................... 747
Component Inspection .......................................... 751
DTC P0122, P0123 TP SENSOR ............................ 752
Component Description ........................................ 752
CONSULT-II Reference Value in Data Monitor Mode
. 752
On Board Diagnosis Logic .................................... 752
DTC Confirmation Procedure ............................... 753
Wiring Diagram ..................................................... 754
Diagnostic Procedure ........................................... 755
Component Inspection .......................................... 759
DTC P0125 ECT SENSOR ..................................... 760
Component Description ........................................ 760