Mitsubishi FB13PNT, Quick Start Manual, Page: 156 / 292

2-69 2-69
501150 501150
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.2 3.29 9 FNR L FNR Leve ever or Acc r or Accele elerat rator, F or, Faul aulty Se ty Setti tting (E ng (E))
Error code: E Error code: E
Situation Situation
Display: "E". Display: "E". Traction motor operatio Traction motor operation inhibited. Normal pump and power steering oper n inhibited. Normal pump and power steering operations. Line contactor ations. Line contactor
OPEN. OPEN.
Possible Possible
cause cause
Key switch turned on while Key switch turned on while direction lever was either in forward or reverse position, key switch direction lever was either in forward or reverse position, key switch turned on while turned on while
accelerator pedal was depressed, seat switch turned off during running, faulty direction lever switch, faulty accelerator pedal was depressed, seat switch turned off during running, faulty direction lever switch, faulty
accelerator sensor, faulty main harness, faulty logic unit.
accelerator sensor, faulty main harness, faulty logic unit.
Trigger of Trigger of
the error the error
code
code
Detects following signal when turning on power. Detects following signal when turning on power.
Direction le
Direction lever: ver: F or R F or R
Accelerator sensor voltage: More than 0.9 V Accelerator sensor voltage: More than 0.9 V
Checks Checks
Direction Direction lever lever Accelera Accelera tor tor sensor sensor
10 10 Tur Tur n off p n off p ow ow er er
Check faulty unit if found with service tool Check faulty unit if found with service tool
( ( ) )
( ( ) )
(1) Move direction lever to neutral, and release accelerator pedal (1) Move direction lever to neutral, and release accelerator pedal
(7) Check direction lever and accelerator sensor operations (7) Check direction lever and accelerator sensor operations
with input/ou with input/ou tput tput monitor monitor
(12) Dis (12) Dis conne conne ct connec ct connec tor E-19 tor E-19 of direction lever of direction lever Turn on Turn on
power power
N N o o r r m m a a l l ( ( E E ) )
(14) D (14) D isco isco nnect conn nnect conn ectors E-03 ectors E-03 and E- and E- 02 02 of logic unit of logic unit
(3) Confirm SUO #47 setting (3) Confirm SUO #47 setting
Correct Incorrect Correct Incorrect
(2) Turn off power. Move direction lever to neutral (2) Turn off power. Move direction lever to neutral , release , release
accelerator pedal, then turn on power again accelerator pedal, then turn on power again
(13) Replace direction lever (13) Replace direction lever
(15) Check short circuit between E-03-15(21) and (15) Check short circuit between E-03-15(21) and
E-03-36(104) E-03-36(104)
, pump inverter , pump inverter
N N
terminal and terminal and
E-03-37(103) E-03-37(103)
Not Not shorted shorted Shorted Shorted
With service tool With service tool
Without service tool Without service tool
If fault remains If fault remains
(5) Set SUO #47 with (5) Set SUO #47 with
service tool service tool
(4) Disconnect connector E-02 or B-01 (4) Disconnect connector E-02 or B-01
If B-01 is disconnected , short circuit B-01-1 and B-01-3 If B-01 is disconnected , short circuit B-01-1 and B-01-3
(6) Turn on power (6) Turn on power
Not Not " " E E " " " " E E " "
(8) Connect connector E-02 or B-01 (8) Connect connector E-02 or B-01
(9) Refer to troubleshooting (9) Refer to troubleshooting
for code "51" for code "51"
(11) Refer to error code "51" (11) Refer to error code "51"