Machine ECM Trouble Shooting Guideline on Certain Excavators and Mobile Hydraulic Power Units{7569, 7600} Caterpillar

Excavator:

311D (S/N: CLA1-UP; LKA1-UP; PNJ1-UP; DWR1-UP; AKW1-UP; DDW1-UP)

312D (S/N: SKA1-UP; JBC1-UP; KCD1-UP; RKF1-UP; PHH1-UP; FBJ1-UP; LRK1-UP; XGK1-UP; RHL1-UP; DLP1-UP; KES1-UP; HCW1-UP; HJX1-UP; TGY1-UP)

313D (S/N: LCE1-UP; LBR1-UP)

314D (S/N: BYJ1-UP; MFK1-UP; TXN1-UP; WLN1-UP; PDP1-UP; SBP1-UP; XHR1-UP; SSZ1-UP)

315D (S/N: JHA1-UP; KBD1-UP; NCM1-UP; BZN1-UP; CJN1-UP; JGS1-UP)

319D (S/N: ZCA1-UP; AYF1-UP; BZH1-UP; FMH1-UP; KFM1-UP; KRM1-UP; RJP1-UP; EAW1-UP; DAY1-UP; ZGZ1-UP)

320D (S/N: FNA1-UP; JZA1-UP; DFB1-UP; M4B1-UP; ZGB1-UP; HJC1-UP; MZD1-UP; DHE1-UP; MDE1-UP; TAE1-UP; A6F1-UP; A8F1-UP; BZF1-UP; KAF1-UP; KGF1-UP; KTF1-UP; MGG1-UP; MCH1-UP; TDH1-UP; DHK1-UP; FXK1-UP; XCK1-UP; FAL1-UP; GKL1-UP; RBL1-UP; KLM1-UP; PCM1-UP; CWN1-UP; KHN1-UP; SPN1-UP; WJN1-UP; BWP1-UP; BZP1-UP; GDP1-UP; AMR1-UP; AZR1-UP; GKS1-UP; PDS1-UP; SNS1-UP; YDS1-UP; DFT1-UP; EBT1-UP; EJT1-UP; SRT1-UP; BWW1-UP; SCW1-UP; EAX1-UP; GMX1-UP; PCX1-UP; PHX1-UP; CXY1-UP; EBY1-UP; BWZ1-UP; CYZ1-UP; JFZ1-UP; JGZ1-UP)

321D (S/N: TXA1-UP; PBD1-UP; MPG1-UP; KBH1-UP; NAS1-UP; MDT1-UP; JCX1-UP; KBZ1-UP)

323D (S/N: RAC1-UP; SDC1-UP; WGC1-UP; CYD1-UP; SED1-UP; YSD1-UP; WNE1-UP; GTF1-UP; ZMF1-UP; CWG1-UP; JLG1-UP; LFL1-UP; BYM1-UP; PBM1-UP; NES1-UP; DKW1-UP; L5Z1-UP)

324D (S/N: LAB1-UP; EJC1-UP; MND1-UP; T2D1-UP; BYE1-UP; JJG1-UP; ECH1-UP; TRH1-UP; BTK1-UP; JGK1-UP; SYM1-UP; AWN1-UP; TSN1-UP; DFP1-UP; JKR1-UP; JZR1-UP; JLS1-UP; JAT1-UP; PYT1-UP; CJX1-UP)

325D (S/N: GPB1-UP; NAC1-UP; KBE1-UP; PKE1-UP; KDG1-UP; C4H1-UP; DBH1-UP; PEH1-UP; C7K1-UP; ERK1-UP; RJK1-UP; C8L1-UP; LAL1-UP; MCL1-UP; PAL1-UP; CJM1-UP; C9M1-UP; AZP1-UP; DAP1-UP; A3R1-UP; GBR1-UP; SCR1-UP; T2S1-UP; CYW1-UP)

328D (S/N: SWF1-UP; BYH1-UP; GTN1-UP; MKR1-UP; RMX1-UP)

329D (S/N: MNB1-UP; XDB1-UP; BFC1-UP; BBF1-UP; CZF1-UP; DJF1-UP; L5G1-UP; JHJ1-UP; RSK1-UP; WDK1-UP; EBM1-UP; TPM1-UP; BYS1-UP; WLT1-UP; LFW1-UP; YFW1-UP; SCY1-UP; TAY1-UP; DTZ1-UP)

330D (S/N: RDA1-UP; KAB1-UP; GBC1-UP; PFC1-UP; NBD1-UP; R2D1-UP; GGE1-UP; NEF1-UP; B6H1-UP; EAH1-UP; LCJ1-UP; THJ1-UP; C5K1-UP; E4K1-UP; FFK1-UP; H3K1-UP; L2K1-UP; PCK1-UP; RDK1-UP; PEL1-UP; JJM1-UP; LEM1-UP; LRM1-UP; ERN1-UP; JLP1-UP; MWP1-UP; LDR1-UP; HAS1-UP; RAS1-UP; EDX1-UP; MEY1-UP)

336D (S/N: PTB1-UP; SKE1-UP; JBF1-UP; J2F1-UP; PRF1-UP; LMG1-UP; MYG1-UP; KDJ1-UP; WRK1-UP; W3K1-UP; MPL1-UP; ZML1-UP; PPN1-UP; MYP1-UP; JER1-UP; JWR1-UP; DTS1-UP; MDS1-UP; NLS1-UP; JBT1-UP; KKT1-UP; M4T1-UP; WET1-UP; PGW1-UP; EMX1-UP)

340D (S/N: JTN1-UP)

345D (S/N: DPA1-UP; BYC1-UP; HLC1-UP; RGD1-UP; RAE1-UP; YEE1-UP; NEG1-UP; RGG1-UP; EEH1-UP; KFH1-UP; RAJ1-UP; MLK1-UP; NLM1-UP; JKN1-UP; L5R1-UP; FES1-UP; PBT1-UP; BYW1-UP; LKY1-UP)

349D (S/N: JGB1-UP; WTD1-UP; GKF1-UP; NNF1-UP; PZG1-UP; KLH1-UP; RBJ1-UP; MEN1-UP; KHS1-UP)

Mobile Hydraulic Power Unit:

312D MHPU (S/N: DXH1-UP; M3L1-UP)

315D MHPU (S/N: HLG1-UP)

319D MHPU (S/N: KTJ1-UP)

320D MHPU (S/N: MMD1-UP; PRR1-UP; GPX1-UP)

323D MHPU (S/N: GRL1-UP; GRN1-UP; DCY1-UP)

324D MHPU (S/N: M4A1-UP; KJR1-UP)

325D MHPU (S/N: SRC1-UP; C3N1-UP; H3N1-UP; X3N1-UP)

328D MHPU (S/N: JTC1-UP)

329D MHPU (S/N: J8D1-UP; J9D1-UP; L5H1-UP)

330D MHPU (S/N: D3D1-UP; H3D1-UP; M3D1-UP; GMN1-UP)

336D MHPU (S/N: J6D1-UP; L5K1-UP; M3M1-UP; M3N1-UP; M2P1-UP; M3S1-UP; JRX1-UP; L5X1-UP; NBZ1-UP)

345D MHPU (S/N: P5D1-UP)

349D MHPU (S/N: DKN1-UP)

Introduction

The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.

Problem

There have been several cases where the machine ECM was mistakenly regarded as the reason for the machine control failure. Examples such as the engine remains at low idle and cannot be changed at any throttle dial position, no throttle position display at the monitor and the ECM indicator light was not on or red. In most cases the ECM was replaced which was found to be normal.

Solution

Follow the procedure in Illustration 1 to perform machine ECM troubleshooting. If further assistance is needed, work with your Caterpillar Technical Communicator to submit a Service Request.

Illustration 1	g02851497
Inspection sheet for the machine controller