Page 38 of 579
Circuit Diagram
TEC515M
ENGINE AND EMISSION CONTROL OVERALL SYSTEMTB45E
EC-4003
Page 40 of 579
Circuit Diagram
TEC516M
ENGINE AND EMISSION CONTROL OVERALL
SYSTEMTB48DE M/T
EC-4005
Page 41 of 579
TEC533M
ENGINE AND EMISSION CONTROL OVERALL
SYSTEMTB48DE M/T
Circuit Diagram (Cont'd)
EC-4006
Page 42 of 579
Wiring Diagram
TEC534M
VEHICLE SPEED SENSOR (VSS)TB48DE M/T
EC-4007
Page 43 of 579
Wiring Diagram
TEC517M
ELECTRICAL LOAD SIGNALTB48DE M/T
EC-4008
Page 46 of 579
jB
CHECK REAR WINDOW DEFOGGER
FUNCTION.
1. Start engine.
2. Turn ON the rear window defogger
switch.
3. Check the rear windshield.
Is the rear windshield heated up?
Ye s
cNo
Refer to EL section.
CHECK POWER SUPPLY CIRCUIT.
1. Stop engine.
2. Disconnect rear window defogger relay.
3. Check voltage between rear window
defogger relay terminalj
3and ground
with CONSULT-II or tester.
Voltage: Battery voltage
OK
cNG
Check the following.
+15A fuse
+Harness for open or
short between rear win-
dow defogger relay and
battery
If NG, repair open circuit or
short to ground or short to
power in harness or con-
nectors.
CHECK INPUT SIGNAL CIRCUIT FOR
OPEN OR SHORT.
1. Disconnect ECM harness connector.
2. Check harness continuity between rear
window defogger relay terminalj
5and
ECM terminalj
96.
Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground
and short to power.
OK
cNG
Check the following.
+Harness connectors
E127,M21
+Harness connectors
M50,F5
+Harness for open or
short between rear win-
dow defogger relay and
ECM
If NG, repair open circuit or
short to ground or short to
power in harness or con-
nectors.
CHECK REAR WINDOW DEFOGGER
RELAY.
Refer to EL section.
OK
cNG
Replace rear window
defogger relay.
CHECK INTERMITTENT INCIDENT.
Refer to ªTROUBLE DIAGNOSIS FOR
INTERMITTENT INCIDENTº, EC-125 in
Service Manual (Publication No. SM1E-
Y61EG1).
INSPECTION END
PBIB0302E
.
.
.
.
.
.
ELECTRICAL LOAD SIGNALTB48DE M/T
Diagnostic Procedure (Cont'd)
EC-4011
Page 48 of 579
Circuit Diagram
TEC518M
ENGINE AND EMISSION CONTROL OVERALL
SYSTEMTB48DE A/T
EC-4013
Page 49 of 579
TEC519M
ENGINE AND EMISSION CONTROL OVERALL
SYSTEMTB48DE A/T
Circuit Diagram (Cont'd)
EC-4014
