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Main Power Supply and Ground Circuit..................157
DTC U1000, U1001 CAN COMMUNICATION LINE...164
Description...............................................................164
On Board Diagnosis Logic.......................................164
DTC Confirmation Procedure..................................164
Wiring Diagram........................................................165
Diagnostic Procedure ..............................................166
DTC P0011, P0021 IVT CONTROL ............................167
Description...............................................................167
CONSULT-II Reference Value in Data Monitor
Mode........................................................................167
On Board Diagnosis Logic.......................................168
DTC Confirmation Procedure..................................168
Wiring Diagram........................................................169
Diagnostic Procedure ..............................................172
Component Inspection.............................................174
DTC P0031, P0032, P0051, P0052 HO2S1
HEATER.......................................................................175
Description...............................................................175
CONSULT-II Reference Value in Data Monitor
Mode........................................................................175
On Board Diagnosis Logic.......................................175
DTC Confirmation Procedure..................................176
Wiring Diagram........................................................177
Diagnostic Procedure ..............................................179
DTC P0037, P0038, P0057, P0058 HO2S2
HEATER.......................................................................181
Description...............................................................181
CONSULT-II Reference Value in Data Monitor
Mode........................................................................181
On Board Diagnosis Logic.......................................181
DTC Confirmation Procedure..................................182
Wiring Diagram........................................................183
Diagnostic Procedure ..............................................185
DTC P0101 MAF SENSOR.........................................188
Component Description...........................................188
CONSULT-II Reference Value in Data Monitor
Mode........................................................................188
On Board Diagnosis Logic.......................................188
DTC Confirmation Procedure..................................189
Overall Function Check...........................................190
Wiring Diagram........................................................191
Diagnostic Procedure ..............................................192
DTC P0102, P0103 MAF SENSOR.............................195
Component Description...........................................195
CONSULT-II Reference Value in Data Monitor
Mode........................................................................195
On Board Diagnosis Logic.......................................195
DTC Confirmation Procedure..................................196
Wiring Diagram........................................................197
Diagnostic Procedure ..............................................198
DTC P0107, P0108 ABSOLUTE PRESSURE
SENSOR ......................................................................201
Component Description...........................................201
On Board Diagnosis Logic.......................................201
DTC Confirmation Procedure..................................201
Diagnostic Procedure ..............................................202
DTC P0112, P0113 IAT SENSOR...............................203
Component Description...........................................203
On Board Diagnosis Logic.......................................203
DTC Confirmation Procedure..................................203
Wiring Diagram........................................................204
Diagnostic Procedure ..............................................205
DTC P0117, P0118 ECT SENSOR..............................207
Component Description...........................................207
On Board Diagnosis Logic.......................................207
DTC Confirmation Procedure..................................208
Wiring Diagram........................................................209
Diagnostic Procedure ..............................................210
DTC P0121, P0122, P0123 .........................................212
Description...............................................................212
DTC P0125 ECT SENSOR..........................................213
Description...............................................................213
On Board Diagnosis Logic.......................................213
DTC Confirmation Procedure..................................214
Diagnostic Procedure ..............................................214
DTC P0127 IAT SENSOR ...........................................216
Component Description...........................................216
On Board Diagnosis Logic.......................................216
DTC Confirmation Procedure..................................216
Diagnostic Procedure ..............................................217
DTC P0128 THERMOSTAT FUNCTION.....................218
On Board Diagnosis Logic.......................................218
DTC Confirmation Procedure..................................218
Diagnostic Procedure ..............................................219
DTC P0132, P0152 HO2S1.........................................220
Component Description...........................................220
CONSULT-II Reference Value in Data Monitor
Mode........................................................................220
On Board Diagnosis Logic.......................................220
DTC Confirmation Procedure..................................221
Wiring Diagram........................................................222
Diagnostic Procedure ..............................................224
DTC P0133, P0153 HO2S1.........................................228
Component Description...........................................228
CONSULT-II Reference Value in Data Monitor
Mode........................................................................228
On Board Diagnosis Logic.......................................228
DTC Confirmation Procedure..................................229
Overall Function Check...........................................230
Wiring Diagram........................................................231
Diagnostic Procedure ..............................................233
DTC P0134, P0154 HO2S1.........................................240
CONTENTS (Cont’d)
EC-2
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