Mitsubishi FB13PNT, Quick Start Manual

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CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
Cha Chapte pter 2 r 2 TRO TROUBL UBLESH ESHOOT OOTING ING FOR FOR CON CONTRO TROL C L CIRC IRCUIT UITS S
1 1.. G Ge en ne erra al In l Inffor orm ma attiio on n
1. 1.1 1 B Bef efor ore r e rep epllac aciing ng d dev evic ice ess
1. 1.2 2 Co Conn nnec ecti tion on of of th the e se serv rvic ice e to tool ol
Do not replace devices casually even if replacement is required as a result of troubleshooting. Be sure to check the following Do not replace devices casually even if replacement is required as a result of troubleshooting. Be sure to check the following
items before replacing devices (logic unit, logic card, power supply card, inverters, inverter DSP cards, EPS, input unit and
items before replacing devices (logic unit, logic card, power supply card, inverters, inverter DSP cards, EPS, input unit and
output unit).
output unit).
-- Lo Loos ose e ba batt tter ery y co conn nnec ecto tors rs
-- Ab Abno norm rmal al wi wire re ha harn rnes ess c s con onne nect ctio ions ns
-- LLo oo osse c e co on nn ne ecctto orrss
-- Br Brok oken en, b , ben ent o t or l r loo oose se co conn nnec ecto tor p r pin inss
-- D Diirrtty c y co on nn ne ecctto orrss
If connectors are dirty, remove the connector and clean connectors. If connectors are dirty, remove the connector and clean connectors.
See "How to clean harness connectors and system components" on page 2-2.
See "How to clean harness connectors and system components" on page 2-2.
-- Ensur Ensure that t e that the main ha he main harness i rness is not sho s not short-ci rt-circui rcuited to t ted to the tru he truck body b ck body by using t y using the follo he following pr wing proced ocedures ures..
502882 502882
(1) Disc (1) Disc onnect batt onnect batt ery plug and disc ery plug and disc harge the inverters harge the inverters and EPS and EPS before before
working on electrical system working on electrical system
(2) Disc (2) Disc onnect connector E-01 onnect connector E-01 of logic unit. of logic unit. Check c Check c ontinui ontinui ty between ty between
E-01-15(106) and truck body (logic unit installation bolts, etc.) E-01-15(106) and truck body (logic unit installation bolts, etc.)
No No continuity continuity Continuity Continuity
( ( 3 3 ) ) N N o o r r m m a a l l ( ( 4 4 ) ) R R e e p p a a i i r r o o r r r r e e p p l l a a c c e e h h a a r r n n e e s s s s
If any of these items (above items) is a source of the trouble, the device will be damaged even if it If any of these items (above items) is a source of the trouble, the device will be damaged even if it is replaced with a new one. is replaced with a new one.
Be sure to check the Be sure to check the above items and replace carefully. above items and replace carefully.
(1) (1) Tur Turn of n off th f the tr e truck uck pow power er..
(2 (2)) Re Remo move c ve cup ho up hold lder er..
(3) (3) Find t Find the con he connect nector E-0 or E-09 to th 9 to the ser e service t vice tool. ool.
(4) (4) Remo Remove the ve the cove cover and c r and conne onnect the ct the PC as sh PC as shown. own.
(5) (5) Tur Turn on n on the the tru truck p ck powe ower. r.
(6) (6) Star Start th t the se e servic rvice t e tool ool softw software. are.
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