1838120 HOSE-LOWER Caterpillar parts
320C, 320C FM
Rating:
Alternative (cross code) number:
CA1838120
183-8120
1838120
CA1838120
183-8120
1838120
Weight: 3 pounds 1 kg.
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183-8120 HOSE, LOWER RADIATOR Suitable For Caterpillar® 1838120
KMP BRAND Suitable for Caterpillar
KMP BRAND Suitable for Caterpillar
183-8120 HOSE, LOWER RADIATOR Suitable For Caterpillar® 1838120
KMP BRAND Suitable for Caterpillar
KMP BRAND Suitable for Caterpillar
Number on catalog scheme:
13
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System Operation Description:Use this procedure to troubleshoot the electrical system if a problem is suspected with a sensor supply or if any one of the diagnostic codes in Table 1 is active or easily repeated.
Table 1
Diagnostic Codes Table
Description Conditions which Generate this Code System Response
262-3 5 Volt Sensor DC Power Supply voltage above normal The analog sensor supply voltage is above normal for two seconds. The code is logged.
All sensors are set to default values.
262-4 5 Volt Sensor DC Power Supply voltage below normal The analog sensor supply voltage is below normal for two seconds.
263-3 Digital Sensor Power Supply (8V Or 12V) voltage above normal The digital sensor supply voltage is above normal for two seconds.
263-4 Digital Sensor Power Supply (8V Or 12V) voltage below normal The digital sensor supply voltage is below normal for two seconds. System OperationThe Electronic Control Module (ECM) supplies a regulated voltage of 5.0 0.2 VDC to the following sensors:
Atmospheric pressure sensor
Aftercooler temperature sensor
Coolant temperature sensor
Crankcase pressure sensor
Filtered engine oil pressure sensor
Filtered fuel pressure sensor
Turbocharger outlet pressure sensor
Left turbocharger inlet pressure sensor
Right turbocharger inlet pressure sensor
Unfiltered engine oil pressure sensor
Unfiltered fuel pressure sensorThe ECM supplies a regulated voltage of 8.0 0.4 VDC to the following sensors:
Left exhaust temperature sensor
Right exhaust temperature sensorThe supply voltage for the sensors is routed from the ECM to terminal A of each sensor connector. The sensor return for the sensors is routed from the ECM to terminal B of each sensor connector. The ECM provides short circuit protection for the internal power supply. A short circuit to the battery will not damage the internal power supply.Note: The sensors are not protected from overvoltage. A short from the supply line to the +Battery may damage the sensors. If the diagnostic code 262-3 or the diagnostic code 263-3 is logged, it is possible that all of the sensors have been damaged. Repair the sensor supply and check for any active sensor diagnostic codes in order to determine if a sensor has failed.
Illustration 1 g01257792
Typical schematic
Illustration 2 g01212477
Typical schematic
Illustration 3 g01212479
P1 ECM connector (P1-2) 5 V sensor supply (P1-3) Sensor return (P1-4) 8 V supply (P1-5) Digital return (P1-6) Aftercooler temperature sensor (P1-7) Coolant temperature sensor (P1-11) Left exhaust temperature (P1-12) Right exhaust temperature (P1-16) Filtered engine oil pressure sensor (P1-17) Unfiltered engine oil pressure sensor (P1-24) Filtered fuel pressure (P1-25) Unfiltered fuel pressure
Illustration 4 g01212480
P2 ECM connector (P2-36) Turbocharger outlet pressure sensor (P2-37) Atmospheric sensor (P2-38) Left turbocharger inlet pressure sensor (P2-39) Right turbocharger inlet pressure sensor (P2-46) Crankcase pressure sensor
Illustration 5 g01234146
Location of ECM connectors
Illustration 6 g01094844
Sensor connector (Pin A) Sensor supply (Pin B) Sensor return (Pin C) SignalTest Step 1. Inspect Electrical Connectors and Wiring
Turn the breaker for the ECM to the OFF position.
Thoroughly inspect the J1/P1 ECM connector and the J2/P2 ECM connector. Inspect all of the connectors that are associated with the circuit.Refer to Troubleshooting, "Inspecting Electrical Connectors" for details.
Perform
Table 1
Diagnostic Codes Table
Description Conditions which Generate this Code System Response
262-3 5 Volt Sensor DC Power Supply voltage above normal The analog sensor supply voltage is above normal for two seconds. The code is logged.
All sensors are set to default values.
262-4 5 Volt Sensor DC Power Supply voltage below normal The analog sensor supply voltage is below normal for two seconds.
263-3 Digital Sensor Power Supply (8V Or 12V) voltage above normal The digital sensor supply voltage is above normal for two seconds.
263-4 Digital Sensor Power Supply (8V Or 12V) voltage below normal The digital sensor supply voltage is below normal for two seconds. System OperationThe Electronic Control Module (ECM) supplies a regulated voltage of 5.0 0.2 VDC to the following sensors:
Atmospheric pressure sensor
Aftercooler temperature sensor
Coolant temperature sensor
Crankcase pressure sensor
Filtered engine oil pressure sensor
Filtered fuel pressure sensor
Turbocharger outlet pressure sensor
Left turbocharger inlet pressure sensor
Right turbocharger inlet pressure sensor
Unfiltered engine oil pressure sensor
Unfiltered fuel pressure sensorThe ECM supplies a regulated voltage of 8.0 0.4 VDC to the following sensors:
Left exhaust temperature sensor
Right exhaust temperature sensorThe supply voltage for the sensors is routed from the ECM to terminal A of each sensor connector. The sensor return for the sensors is routed from the ECM to terminal B of each sensor connector. The ECM provides short circuit protection for the internal power supply. A short circuit to the battery will not damage the internal power supply.Note: The sensors are not protected from overvoltage. A short from the supply line to the +Battery may damage the sensors. If the diagnostic code 262-3 or the diagnostic code 263-3 is logged, it is possible that all of the sensors have been damaged. Repair the sensor supply and check for any active sensor diagnostic codes in order to determine if a sensor has failed.
Illustration 1 g01257792
Typical schematic
Illustration 2 g01212477
Typical schematic
Illustration 3 g01212479
P1 ECM connector (P1-2) 5 V sensor supply (P1-3) Sensor return (P1-4) 8 V supply (P1-5) Digital return (P1-6) Aftercooler temperature sensor (P1-7) Coolant temperature sensor (P1-11) Left exhaust temperature (P1-12) Right exhaust temperature (P1-16) Filtered engine oil pressure sensor (P1-17) Unfiltered engine oil pressure sensor (P1-24) Filtered fuel pressure (P1-25) Unfiltered fuel pressure
Illustration 4 g01212480
P2 ECM connector (P2-36) Turbocharger outlet pressure sensor (P2-37) Atmospheric sensor (P2-38) Left turbocharger inlet pressure sensor (P2-39) Right turbocharger inlet pressure sensor (P2-46) Crankcase pressure sensor
Illustration 5 g01234146
Location of ECM connectors
Illustration 6 g01094844
Sensor connector (Pin A) Sensor supply (Pin B) Sensor return (Pin C) SignalTest Step 1. Inspect Electrical Connectors and Wiring
Turn the breaker for the ECM to the OFF position.
Thoroughly inspect the J1/P1 ECM connector and the J2/P2 ECM connector. Inspect all of the connectors that are associated with the circuit.Refer to Troubleshooting, "Inspecting Electrical Connectors" for details.
Perform
Caterpillar parts catalog:
Parts hose Caterpillar catalog:
120H, 120H ES, 120H NA, 120M 2, 135H, 135H NA, 236D, 242D, 246D, 257D, 259D, 262D, 272D, 272D XHP, 277D, 279D, 2864C, 287D, 289D, 299D, 299D XHP, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304, 304C CR...
307C, 311C, 311D LRR, 311F LRR, 312C, 312C L, 312D, 312D L, 312E, 312E L, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315C, 315D L, 316E L, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 32...
312C, 312C L, 315C, 318C, 320C, 320C FM, 320C L, 322C, 322C FM, 325C, 325C FM, 325C L, 330C, 330C FM, 330C L, 330C MH
312C, 312C L, 315C, 318C, 320C, 320C FM, 320C L, 322C, 322C FM, 325C, 325C FM, 325C L, 330C, 330C FM, 330C L, 330C MH
308C, 312C L, 312D, 312D L, 315C, 315D L, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 322...
311C, 312C, 315C, 318C, 319C, 320B, 320C, 320C FM, 320D, 320D FM RR, 320D L, 320D LRR, 320D RR, 321C, 321D LCR, 322B, 322C FM, 323D LN, 324D, 324D LN, 325 LN, 325C, 325D, 325D FM LL, 325D L, 325D MH, ...
314C, 314D CR, 314D LCR, 314E CR, 320B, 320C FM, 320D, 320D L, 323D L, 324E LN, 325B L, 325D FM, 325D FM LL, 328D LCR, 330B, 330B L, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 336D, 336D L, 336D...
314C, 320B, 320B L, 320C, 320C FM, 320C L, 330 FM L, 330 L, 330B, 330B L, W330B
314D CR, 314D LCR, 314E CR, 314E LCR, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D L, 320D2, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L
320 L, 320B, 320C, 322 L, 322B, 322B L, 322C, 322C FM, 324D L, 325, 325 L, 325B L, 325C, 325C L, 325D L, 329D, 329D L, 329D LN, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 365B, W345B II
320C, 320C FM
320C, 320C FM, 320C L, 320D
320C
1968226
HOSE
320C, 320C FM, 320C L, 320D, 320D LRR
320C, 320C FM, 320C L, 320D, 320D LRR
2118003
HOSE
320C, 322C, 325C, 330C, 330C L
320C, 322C, 325C, 330C, 330C L
1761899
HOSE AS
320C, 322C
320C, 322C
1761896
HOSE AS
320C, 322C
320C, 322C
2076666
HOSE AS
320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D LN, 323D2 L
320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D LN, 323D2 L
3666495
HOSE
320C, 320D, 320D FM, 320D L, 320D LN, 320D2, 320D2 L, 322C, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D L, 325C, 325D, 325D L, 329D, 329D L, 330C, 330C L, 330D, 330D L, 336D, 336D L, 336D2, 336D2 L,...
320C, 320D, 320D FM, 320D L, 320D LN, 320D2, 320D2 L, 322C, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D L, 325C, 325D, 325D L, 329D, 329D L, 330C, 330C L, 330D, 330D L, 336D, 336D L, 336D2, 336D2 L,...
320C, 320C FM, 320D LRR
1626227
HOSE-AIR
320C, 320C FM
320C, 320C FM
1932761
HOSE-AIR
320C
320C
1932851
HOSE-RADIATOR
320C, 320C FM
320C, 320C FM