Page 44 of 273
Wiring Diagram
TEC183M
DTC 0103 COOLANT TEMP SEN
EC-2007
Page 45 of 273
Wiring Diagram
TEC184M
DTC 0104 VEHICLE SPEED SEN
EC-2008
Page 46 of 273
Wiring Diagram
TEC185M
DTC 0203 ACCEL POS SW (F/C)
EC-2009
Page 47 of 273
Wiring Diagram
TEC186M
DTC 0208 OVER HEAT
EC-2010
Page 50 of 273
6 CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan motor-1 harness connector.
SEF691V
3. Check harness continuity between cooling fan relay-1 terminal 3 and cooling fan motor-1 terminals 1, 3, cooling fan motor-1 ter-
minals 2, 4 and body ground. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OKcGO TO 7.
NGcRepair open circuit or short to ground or short to power in harness or connectors.
7 CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 14 and cooling fan relay-1 terminal 1. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OKcGO TO 9.
NGcGO TO 8.
8 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors E127, M21
+Harness connectors M52, F7
+Harness for open or short between cooling fan relay-1 and ECM
cRepair open circuit or short to ground or short to power in harness or connectors.
9 CHECK COOLING FAN RELAY-1
Refer to ªComponent Inspectionº, EC-2016.
OK or NG
OKcGO TO 10.
NGcReplace cooling fan relay.
DTC 0208 OVER HEAT
Diagnostic Procedure (Cont'd)
EC-2013
Page 55 of 273
Wiring Diagram
TEC187M
DTC 0402 P9zFUEL TEMP SEN
EC-2018
Page 56 of 273
Wiring Diagram
TEC188M
DTC 0403 ACCEL POS SENSOR
EC-2019
Page 57 of 273
TEC189M
DTC 0403 ACCEL POS SENSOR
Wiring Diagram (Cont'd)
EC-2020
