6-2-128 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
Troubleshooting
Step
Action
Yes
No
1
Was “Engine and Emission Control System
Check” performed?
Go to Step 2.
Go to “Engine and Emis-
sion Control System
Check” in this section.
2
Check Relay Circuit
1) Disconnect radiator fan relay from relay box
with ignition switch turned OFF. (See Fig. 1.)
2) Turn ignition switch to ON position.
3) Measure voltage between “BLK/RED” wire
terminal of radiator fan relay connector and
engine ground.
Is voltage 10 – 14 V?
Go to Step 3.
“BLK/RED” wire in open
or high resistance circuit.
3
Check Relay Circuit
1) Turn ignition switch to OFF position.
2) Install radiator fan relay to relay box.
3) Disconnect connectors from ECM.
4) Remove ECM from vehicle body and then
connect connectors to ECM.
5) Turn ignition switch to ON position.
6) Measure voltage between “E21-4” wire ter-
minal of ECM connector and vehicle body
ground.
Is voltage 10 – 14 V?
Go to Step 4.
Go to Step 6.
4
Check Relay Circuit
1) Turn ignition switch to OFF position.
2) Disconnect connectors from ECM.
3) Remove radiator fan relay from relay box.
4) Measure voltage between “E21-4” wire ter-
minal of ECM connector and vehicle body
ground with ignition switch turned ON.
Is voltage 0 V?
Go to Step 5.
“BLU” wire shorted to
power circuit.
5
Radiator Fan Control Signal Check
1) Disconnect negative (–) cable at battery.
2) Disconnect connector from ECT sensor.
3) Connect connectors to ECM.
4) Install radiator fan relay to relay box.
5) Connect negative (–) cable to battery.
6) Measure voltage between “E21-4” wire ter-
minal of ECM connector and vehicle body
ground with ignition switch turned ON.
Is voltage about 0 V?
System is in good condi-
tion.
Substitute a known-good
ECM and recheck.
6
Radiator Fan Control Signal Check
1) Turn ignition switch to OFF position.
2) Install radiator fan relay to relay box.
3) Disconnect connectors from ECM.
4) Measure voltage between “E21-4” wire ter-
minal of ECM connector and vehicle body
ground with ignition switch turned ON.
Is voltage 10 – 14 V?
Substitute a known-good
ECM and recheck.
Go to Step 7.
Summary of Contents for Wagon R Plus RB310
Page 3: ......
Page 5: ......
Page 57: ...0B 24 MAINTENANCE AND LUBRICATION...
Page 65: ...1B 8 AIR CONDITIONING OPTIONAL...
Page 91: ...3D 16 FRONT SUSPENSION...
Page 141: ...4A 20 FRONT DRIVE SHAFT G10 M13 ENGINES...
Page 153: ...5 6 BRAKES...
Page 163: ...5B 6 FRONT BRAKE...
Page 418: ...ENGINE MECHANICAL M13 ENGINE 6A2 79 Main Bearings Crankshaft and Cylinder Block Components...
Page 435: ...6A2 96 ENGINE MECHANICAL M13 ENGINE...
Page 519: ...6H 4 CHARGING SYSTEM G10 M13 ENGINES...
Page 539: ...7A2 16 MANUAL TRANSAXLE M13 ENGINE Transaxle Case Components...
Page 553: ...7A2 30 MANUAL TRANSAXLE M13 ENGINE Input Counter Shaft Components...
Page 576: ...AUTOMATIC TRANSAXLE M13 ENGINE 7B1 7 Table of Component Operation...
Page 690: ...AUTOMATIC TRANSAXLE M13 ENGINE 7B1 121...
Page 789: ...7C 14 CLUTCH G10 M13 ENGINES...
Page 797: ...7D 8 TRANSFER...
Page 821: ...8B 4 LIGHTING SYSTEM...
Page 827: ...8C 6 INSTRUMENTATION DRIVER INFORMATION...
Page 839: ...8G 12 IMMOBILIZER CONTROL SYSTEM G10 M13 ENGINES...
Page 845: ...9 6 BODY SERVICE...
Page 846: ...Prepared by 1st Ed August 2003 Printed in Japan 844...