ENGINE CONTROL SYSTEM
SECTION
EC
MODIFICATION NOTICE:
+Wiring diagrams have been modified.
CONTENTS
ZD30DDTi
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM............................................................... 3002
Circuit Diagram ................................................ 3002
TROUBLE DIAGNOSIS FOR POWER SUPPLY3003
Main Power Supply and Ground Circuit .......... 3003
DTC 0102 MASS AIR FLOW SEN...................... 3004
Wiring Diagram ................................................ 3004
DTC 0104 VEHICLE SPEED SEN...................... 3005
Wiring Diagram ................................................ 3005
DTC 0208 OVER HEAT....................................... 3006
Wiring Diagram ................................................ 3006
Diagnostic Procedure....................................... 3007Component Inspection ..................................... 3013
Main 12 Causes of Overheating ...................... 3014
DTC 0402 P9zFUEL TEMP SEN......................... 3015
Wiring Diagram ................................................ 3015
DTC 0403 ACCEL POS SENSOR...................... 3016
Wiring Diagram ................................................ 3016
DTC 0902 ECM RLY........................................... 3017
Wiring Diagram ................................................ 3017
DTC 1003 EGR VOLUME CONT/V..................... 3018
Wiring Diagram ................................................ 3018
MI (MIL) & DATA LINK CONNECTORS............ 3019
Wiring Diagram ................................................ 3019
When you read wiring diagrams:
+Read GI section, ªHOW TO READ WIRING DIAGRAMSº.
+See EL section, ªPOWER SUPPLY ROUTINGº for power distribution circuit.
When you perform trouble diagnoses, read GI section, ªHOW TO FOLLOW FLOW CHART IN
TROUBLE DIAGNOSESº and ªHOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL
INCIDENTº.
EC
