98703A29 TRIM CYLINDER ASSEMBLY, Port Mercruiser
5E31200N1, 5E31200TP, 5E31200TS, 5E31210TP, 5E31210TS, 5E31800TP, 5E31800TS, 5E31810TP, 5E31810TS, 5E31900TP, 5E31900TS, 5E31910TP, 5E31910TS, 5E32200TP, 5E32900TS, 5E36200TP, 5E36200TS, 5E36210TP, 5E36210TS, 5E36800TP, 5E36800TS, 5E36810TP, 5E36810T
TRIM
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Compatible models:
5E31200N1
5E31200TP
5E31200TS
5E31210TP
5E31210TS
5E31800TP
5E31800TS
5E31810TP
5E31810TS
5E31900TP
5E31900TS
5E31910TP
5E31910TS
5E32200TP
5E32900TS
5E36200TP
5E36200TS
5E36210TP
5E36210TS
5E36800TP
5E36800TS
5E36810TP
5E36810TS
5E36900TS
5E36910TP
5E36910TS
5H41400TP
5H41410TP
5H41410TS
5H41600TP
5H41610TP
5H41610TS
5H42300TP
5H42300TS
5H42400TS
5M41400TP
5M41400TS
5M42300TP
5M42300TS
5T32300TP
5T32300TS
5X32200TS
6511102N1
Mercruiser
Mercruiser entire parts catalog list:
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Information:
Table 1
Diagnostic Codes Table
Code Conditions which Generate this Code System Response
827-8 Left Exhaust Temperature Sensor : Abnormal Frequency, Pulse Width, or Period The Electronic Control Module (ECM) detects a sensor frequency that is greater than 1000 Hz or less than 150 Hz.
The ECM detects a duty cycle that is greater than 90 percent or a duty cycle that is less than 10 percent. The value of the parameter is set to zero.
The code is logged.
828-8 Right Exhaust Temperature Sensor : Abnormal Frequency, Pulse Width, or Period The ECM detects a sensor frequency that is greater than 1000 Hz or less than 150 Hz.
The ECM detects a duty cycle that is greater than 90 percent or a duty cycle that is less than 10 percent. System OperationThe PWM sensors provide a signal to the engine's ECM. The sensors receive a 8.0 0.4 VDC regulated voltage from the ECM.The sensor's wires are routed from the ECM to the sensor connectors. The following list gives the terminal locations for the sensor connector.
Terminal A 8V supply
Terminal B sensor return
Terminal C sensor signalThe ECM provides short circuit protection for the internal power supply. A short circuit to the battery will not damage the internal power supply.
Illustration 1 g01542213
Typical schematic
Illustration 2 g01234146
Location of ECM connectors
Illustration 3 g01572157
P1 ECM connector
(P1-11) Left exhaust temperature
(P1-12) Right exhaust temperature
(P1-60) Digital return
Illustration 4 g01572158
P2 ECM connector
(P2-55) Digital return
(P2-56) 8 V supply
(P2-57) 8 V supply
Illustration 5 g01094844
Sensor connector
(Pin A) Sensor supply
(Pin B) Sensor return
(Pin C) Signal Test Step 1. Check for "Active" or "Logged" Diagnostic Codes
Connect Caterpillar Electronic Technician (ET) to the service tool connector.
Turn the keyswitch to the ON position.
Monitor the diagnostic codes on Cat ET. Check and record any diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic codes to become active.
Determine if a -8 diagnostic code is active for one of the exhaust temperature sensors. Note: A diagnostic code that is logged several times is an indication of an intermittent problem. Most intermittent problems are the result of a bad connection between a socket and a pin in a connector or a bad connection between a wire and a terminal.Expected Result:No diagnostic code is active for the exhaust temperature sensors.Results:
OK - No diagnostic codes are active.Repair: If the problem is intermittent, refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct procedures for inspecting electrical connectors.STOP
Not OK - A -8 diagnostic code is active or the diagnostic code is logged several times. Proceed to Test Step 2.Test Step 2. Check the Digital Supply Voltage at the Sensor Connector
Turn the keyswitch to the OFF position.
Disconnect the suspect sensor(s) at the sensor connector.
Turn the keyswitch to the ON position.
Measure the voltage on the ECM side of the sensor connector between pin A and pin B for the suspect sensor(s). Expected Result:The supply voltage is 8.0 0.4 VDC.Results:
OK - The supply voltage is 8.0 0.4 VDC. Proceed to Test Step 4.
Not OK - The supply voltage is not 8.0 0.4 VDC. Proceed to Test Step 3.Test Step 3. Check the Digital Supply Voltage at the ECM
Turn the keyswitch to the OFF position.
Remove the supply wire from P1-56. Install a wire jumper into the socket for P1-56.
Remove the supply wire from P1-57. Install a wire jumper into the socket for P1-57.
Turn the keyswitch to the ON position.
Measure the voltage between the wire jumper in terminal P1-56 and engine ground.
Measure the voltage between the wire jumper in terminal P1-57 and engine ground.
Turn the keyswitch to the OFF position.
Remove the wire jumper and reconnect all wires. Reconnect ECM connector J1/P1. Expected Result:The supply voltage is 8.0 0.4 VDC.Results:
OK - The supply voltage is 8.0 0.4 VDC. The supply voltage at the ECM is correct. There is a problem in the wiring between the ECM and the sensor connector.Repair: Repair the connectors or wiring and/or replace the connectors or wiring.STOP
Not OK - The supply voltage is not 8.0 0.4 VDC. The voltage at the ECM is not correct.Repair: Replace the ECM. Refer to Troubleshooting, "ECM - Replace". Verify that the problem is resolved.STOPTest Step 4. Check the Digital Sensor's Signal Frequency and the Duty Cycle at the Sensor Connector
Turn the keyswitch to the OFF position.
Remove the suspect sensor's signal wire from pin C of the sensor connector.
Reconnect the suspect sensor connector.
Turn the keyswitch to the ON position.
Measure the frequency and the duty cycle between the sensor's signal wire and pin B of the suspect digital sensor at the sensor connector.
Turn the keyswitch to the OFF position.
Replace the sensor's signal wire and reconnect the sensor. Expected Result:The duty cycle is between 10 to 90 percent. The frequency reading is approximately 500 Hz.Results:
OK - The frequency and the duty cycle are correct. Proceed to Test Step 5.
Not OK - The frequency or the duty cycle is not correct.Repair: Replace the sensor. Verify that no diagnostic codes are active for the suspect sensor before permanently installing the sensor.STOPTest Step 5. Check the Sensor's Duty Cycle at the ECM
Remove the signal wire for the suspect sensor from ECM connector P1. Refer to Illustration 1 for the terminal locations for the ECM connector.
Turn the keyswitch to the ON position.
Measure the duty cycle between the sensor's signal wire and the sensor's return wire. Note: Set the multimeter to "VDC". Press the "Hz" button twice so that the % symbol is displayed.
Turn the keyswitch to the OFF position. Expected Result:The duty cycle is between 10 to 90 percent.Results:
OK - The duty cycle is correct.Repair: Replace the ECM. Refer to the diagnostic procedure Troubleshooting, "ECM - Replace".STOP
Parts trim Mercruiser:
98704A17
98704A17 TRIM CYLINDER, Starboard
5120136JS, 5120150AR, 5220200AS, 5231100LP, 5C30150FS, 6020006JS, 6211001N1, 6311002NZ, 6315002NZ, 6416003N2, 6511102N1, 6811001N1
98703A17
98703A17 TRIM CYLINDER, Port
5120136JS, 5120150AR, 5220200AS, 5231100LP, 5C30150FS, 6020006JS, 6211001N1, 6311002NZ, 6315002NZ, 6416003N2, 6511102N1, 6811001N1
15768A 3
15768A 3 TRIM CYLINDER LIMIT KIT
5000147JS, 5111200LP, 5120136JS, 5120150R1, 5231100LP, 5231100TP, 5232100N1, 5232100TP, 5C30150FS, 5E31200N1, 5E31200TP, 5E31200TS, 5E31210TP, 5E31210TS, 5E31800TP, 5E31800TS, 5E31810TP, 5E31810TS, 5E31900TP, 5E31900TS, 5E31910TP, 5E31910TS, 5E32200T
806692A 2
806692A 2 TRIM, Down
5120136JS, 5231100LP, 6020006JS, 6211001N1, 6311002NZ, 6315002NZ, 6416003N2, 6511102N1, 6811001N1
98704A26
98704A26 TRIM CYLINDER ASSEMBLY, Starboard
5120150R1, 5231100LP, 5231100TP, 5232100N1, 5232100TP, 5E31200N1, 5E31200TP, 5E31200TS, 5E31210TP, 5E31210TS, 5E31800TP, 5E31800TS, 5E31810TP, 5E31810TS, 5E31900TP, 5E31900TS, 5E31910TP, 5E31910TS, 5E32200TP, 5E32900TS, 5E36200TP, 5E36200TS, 5E36210T
98703A26
98703A26 TRIM CYLINDER ASSEMBLY, Port
5120150R1, 5231100LP, 5231100TP, 5232100N1, 5232100TP, 5E31200N1, 5E31200TP, 5E31200TS, 5E31210TP, 5E31210TS, 5E31800TP, 5E31800TS, 5E31810TP, 5E31810TS, 5E31900TP, 5E31900TS, 5E31910TP, 5E31910TS, 5E32200TP, 5E32900TS, 5E36200TP, 5E36200TS, 5E36210T
866464A02
866464A02 TRIM CYLINDER ASSEMBLY, Starboard
5231100TP, 5232100TP, 5E31200TP, 5E31200TS, 5E31210TP, 5E31210TS, 5E31800TP, 5E31800TS, 5E31810TP, 5E31810TS, 5E31900TP, 5E31900TS, 5E31910TP, 5E31910TS, 5E32200TP, 5E32900TS, 5E36200TP, 5E36200TS, 5E36210TP, 5E36210TS, 5E36800TP, 5E36800TS, 5E36810T
98704A29
98704A29 TRIM CYLINDER ASSEMBLY, Starboard
5E31200N1, 5E31200TP, 5E31200TS, 5E31210TP, 5E31210TS, 5E31800TP, 5E31800TS, 5E31810TP, 5E31810TS, 5E31900TP, 5E31900TS, 5E31910TP, 5E31910TS, 5E32200TP, 5E32900TS, 5E36200TP, 5E36200TS, 5E36210TP, 5E36210TS, 5E36800TP, 5E36800TS, 5E36810TP, 5E36810T