61
MicroController Control System
Troubleshooting
PROBLEM 8
Direction switch circuit defect.
POSSIBLE CAUSE
Direction switch defect; Wiring to direction
switch defect; Logics defect..
Check continuity from DD-2 to DE-6.
With direction lever in reverse should have a
closed circuit, in neutral should be open.
Check OK
Check failed
CHECKS
Disconnect the battery.
Disconnect DD or DE connector.
Check continuity from DD-2 to DE-3 harness connector;
With direction lever in forward should have a closed circuit,
in neutral should be open.
Check OK
Check failed
Replace direction switch.
Check wiring for open/short circuits
between harness connector DD-2 and DE-6.
Repair any open/short circuit found.
Disconnect direction switch connector.
Check continuity between Pin2 and Pin3.
Check OK
Check failed
Check wiring for open/short circuits
between harness connector DD-2 and DE-3
Repair any open/short circuit found.
Repair or replace direction switch.
Replace logics.
Summary of Contents for B20S-3
Page 3: ......