TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
1-261-26
PPrroobblleemm CCaauussee CCoorrrreeccttiioonn
32.32. Fault cFault code waode warningrning
lamps do not illu-lamps do not illu-
minateminate
1.1. IgnIgnitiition son switwitch ich is in ts in the OFhe OFF posF posi-i-
tion.tion.
2.2. BatBattertery voy voltaltage sge supplupply to ty to the elhe elec-ec-
tronic control module (ECM) tronic control module (ECM) is low,is low,
interrupted, or open.interrupted, or open.
1.1. TTurn turn the ighe ignitnition sion switwitch to ch to the the ONON
position.position.
2.2. CheCheck ck the the batbattertery cy connonnectectionions.s.
33.33. Fuel iFuel is in the s in the oiloil
1.1. EngEngine ine idlidle te time ime is is excexcessessiveive..
2.2. BulBulk oik oil sul supplpply is y is concontamtaminatinated.ed.
1.1. Low Low oil oil and and coocoolanlant tet tempemperatratureuress
can be caused by long idle timecan be caused by long idle time
(greater than (greater than 10 minutes). 10 minutes). Shut offShut off
the engine rather than idle for longthe engine rather than idle for long
periods. periods. If idle If idle time is time is necessarynecessary,,
raise the idle speed.raise the idle speed.
2.2. CheCheck ck the the bulbulk k oil oil supsupplyply. . DraDrainin
the oil and replace with non-conta-the oil and replace with non-conta-
minated oil. minated oil. Replace oil Replace oil filterfilter..
34.34. IntakIntake manife manifold airold air
temperature istemperature is
above normalabove normal
1.1. ChaCharge arge air coir cooleoler finr fins, rs, radiadiatoator finr fins,s,
or air conditioner condenser finsor air conditioner condenser fins
are damaged or obstructed withare damaged or obstructed with
debris.debris.
2.2. Fan Fan dridrive bve belt elt is lis loosoose or e or brokbroken.en.
3.3. Fan Fan shrshroud oud is dis damaamaged ged or mor mississinging,,
or the air recirculation baffles areor the air recirculation baffles are
damaged or missing.damaged or missing.
4.4. TTruruck sck spepeed ied is tos too loo low fow forr
adequate cooling with high engineadequate cooling with high engine
load.load.
5.5. TTrucruck ck coolooling ing syssystem tem is is notnot
adequate.adequate.
6.6. EleElectrctronionic fac fault cult codes odes are aare actictive.ve.
7.7. Fan Fan dridrive ove or far fan con contrntrols ols are are malmal--
functioning.functioning.
8.8. InIncocorrrrecect t fafan.n.
9.9. ExhExhausaust syt systestem is m is leakleaking ing hot hot airair
into engine compartment.into engine compartment.
1.1. InsInspecpect the cht the chargarge air coe air cooleolerr, rad, radia-ia-
tor, and air conditioner condensertor, and air conditioner condenser
fins. fins. Clean Clean if necesif necessarysary..
2.2. CheCheck ck the the fan fan dridrive ve belbelt. t. TTighightenten
drive belt drive belt if if necessary necessary ReplaceReplace
belt if required.belt if required.
3.3. RefRefer ter to Coo Correrrectiction 4on 4. of . of ProProbleblemm
11. in this troubleshooting chart.11. in this troubleshooting chart.
4.4. RedReduce uce the the engengine ine loaload. d. IncIncreareasese
the engine (fan) rpm by downshift-the engine (fan) rpm by downshift-
ing.ing.
5.5. VVerierify tfy that hat the the engengine ine and and trutruckck
cooling systems are using the cor-cooling systems are using the cor-
rect components.rect components.
6.6. RefRefer ter to Coo Correrrectiction 2on 2. of . of ProProbleblemm
2. in this troubleshooting chart.2. in this troubleshooting chart.
7.7. CheCheck tck the fhe fan dan drivrive ane and cod contrntrolsols..
8.8. CheCheck ck the the fan fan parpart nt numbumber er andand
compare it to the truck manufactur-compare it to the truck manufactur-
er’s fan part number.er’s fan part number.
9.9. CheCheck ck the the exhexhausaust pt plumlumbinbing fg foror
leaks or broken components.leaks or broken components.
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