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ToC 06 ELECTRICAL SYSTEM SERVICE MANUAL MARINE ENGINES 06.06.05 Principle failure code list NOTE: Some codes may not apply due to different application! REFER TO CODE ABBREV. CIRCUIT INVOLVED DEVICE POSSIBLE CAUSE 12 Control code this code is designated for beginning or end of loop 13 LoMap X12/B12 boost pressure sensor signal level too low (short circuit or missing contact) 14 HiMap X12/B12 boost pressure sensor signal level too high (missing connection) 17 LoEXH X17/B17 air charge temp. sensor signal level too low (short circuit or missing contact) 18 HiEXH X17/B17 air charge temp. sensor signal level too high (missing connection) 21 LoECT X16/B16 water temp. sensor signal level too low (short circuit or missing contact) 22 HiECT X16/B16 water temp. sensor signal level too high (missing connection) 23 LoPed1 X13/B13 potentiometer accelerator signal level entry too low 24 HiPed1 X13/B13 potentiometer accelerator signal level entry too high 25 LoVPWR F5/K27 main relay low voltage supply to ECU, F5, K27 26 HiVPWR F5/K27 main relay too high voltage on VPROT input 27 LoVREF X5/Z3 module, connector too low voltage on sensor supply, possible short circuit 28 HiVREF X5/Z1 module, connector too high voltage on sensor supply 29 PedS X13/B13 accelerator potentiometer defect on pedal safety switch, pin 1-2 31 LoLPS X18/B18 lubricant pressure sensor signal level too low (short circuit or missing contact) 32 HiLPS X18/B18 lubricant pressure sensor signal level too high (missing connection) 33 LoPed2 X13/B13 potentiometer accelerator signal level too low 34 HiPed2 X13/B13 potentiometer accelerator signal level too high (missing connection) 35 LoRPos X14/B14 rack position sensor signal level too low (short circuit or missing contact) 36 HiRPos X14/B14 rack position sensor signal level too high (missing connection) 37 LoLOP X18/B18 lubricant pressure sensor signal level too low (short circuit) 38 HiLOP X18/B18 lubricant pressure sensor signal level too high (missing connection) 53 N_RFI X15/B15 RPM-sensor radio interference / sensor input 54 BadSta M1-Pin50 K28 start assist relay no start signal from assist solenoid 55 NoPuls X15/B15 RPM-sensor no speed signal during crank 56 Srpos Y14(B14) refer to setting rack pos. rack calibration bad/rack position outside tolerance field Page ELECTRICAL SYSTEM - 40 Z001019/0_6_July 2008
ToC SERVICE MANUAL MARINE ENGINES 06 ELECTRICAL SYSTEM CODE ABBREV. REFER TO CIRCUIT INVOLVED DEVICE POSSIBLE CAUSE 57 Rack0 Y14(B14) refer to setting rack pos. bad rack zero position 99 161 FMSpwm HiVTGc X20/Y20 Y28 actuator / solenoid REA unit at turbo charger defect in governor solenoid wire circuit (Y20, main relay K27-no frequency sent or govenor solenoid circuit connected) defect in circuit of actuator turbo charger (short circuit) 162 LoVTGc Y28 REA unit at turbo charger defect in circuit of actuator turbo charger (missing connection) 164 CELs L2 check engine lamp Current limit exceeded (short circuit) 165 CELo L2 check engine lamp missing connection or bulb blown 167 FPR_s K24 fuel pump relay Current limit exceeded in relay circuit (short circuit) 168 FPR_o K24 fuel pump relay no current detected in relay circuit (disconnection) 177 MR_s K27 main relay no current detected in main relay circuit (short circuit) 178 MR_o K27 main relay no current detected in main relay circuit (disconnection) 181 WarnLs L3 oil pressure lamp Current limit exceeded (short circuit) 182 WarnLo L3 oil pressure lamp no current in circuit of oil pressure lamp 186 BadPos Y20 governor solenoid Nominal-actual value difference (rack pos. error, rack jammed) 187 HiFMSC X20/X20 governor solenoid defect in governor wire circuit (resistance too high) (bulb blown or missing connection) 188 LoFMSc X20 governor solenoid defect in governor wire circuit (resistance too low) 193 VTG_Bad Y28 REA unit at turbo charger defect in output circuit (short circuit or missing connection) 194 GPR_s K26 glow assist relay current limit exceeded in glow plug relay circuit (short circuit) 195 GPR_o K26 glow assist relay no current detected in glow plug relay circuit (disconnection) 201 HiTEMP -- operation limit exceeded - engine overheated engine was operated with too high coolant temperature 202 Lop -- operation limit exceeded - lubricant pressure too low engine was operated with too low lubricant pressure 203 Manop -- operation limit exceeded - rack position too high engine operated with manual movement of rack 251 ITSL_Bad B30 position sensor - ITD signal level too low (short circuit) on injection timing sensor 252 ITV_LoCur Y29 proportional valve - ITD defect in circuit of valve (no current flow) 253 ITV_HiCur Y29 proportional valve - ITD defect in circuit of valve (current value too high) 254 SpvP_Bad B30 position sensor or ITD commanded timing position can not be achieved (sensor or injection timing device defect, eccenter shaft jammed) 255 Spv_INI B30 reference-position sensor ITD timing position calibration bad (position out of tolercance) Z001019/0_6_July 2008 Page ELECTRICAL SYSTEM - 41
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STEYR MARINE ENGINES 4 CYLINDERS +
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PREFACE STEYR MOTORS GmbH has devel
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TABLE OF CONTENTS (MAIN ASSEMBLY GR
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05 Cooling system 05.01 Cooler, hea
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