Cummins ISX CM870 Electronic Diagnostic Manual

Covers: Cummins ISX, Signature

• CM870 only

Pages: 1,762
Format: PDF
Compatibility: Windows/Mac computers
Notes: Instant digital download only – no printed copy or CD-ROM media.

This 2-volume diagnostic manual is written to assist with diagnosing, troubleshooting and repairing the CM870 electronic control system paired with Cummins ISX and Signature diesel engines. Over 1,700 high resolution pages of information are included, covering fault codes, symptom troubleshooting, electronic sensor information, specifications and much more. The ECM wiring diagram is also included.

Dated Jan. 2007.

Topics:

• Engine and System Identification
• Familiarization
• Electronic Controls (Sensors, Switches, Circuitry)
• Electronic Controls Specifications and Operation
• Troubleshooting Fault Codes 111 – 9121
• Troubleshooting Symptoms
  • Engine Decelerates Slowly
  • Engine Will Not Shut Off
  • Fault Code Warning Lamps Do Not Illuminate
  • Fault Code Warning Lamps Stay On (No Apparent Reason)
  • Fuel Consumption Excessive
  • PTO or Cruise Control Does Not Operate
  • Coolant Loss – Overflow
  • ECM – No Communication Troubleshooting Tree
  • Engine Performance Troubleshooting Tree
  • Fuel Economy Troubleshooting Tree
• Wiring Diagram
• And Much More…

Example Codes Covered:

Fault Code 111 Electronic Control Module (ECM) Microprocessor
Fault Code 122 Intake Manifold Pressure Sensor Circuit
Fault Code 123 Intake Manifold Pressure Sensor Circuit
Fault Code 131 Accelerator Pedal Position Sensor Circuit
Fault Code 132 Accelerator Pedal Position Sensor Circuit
Fault Code 133 Remote Accelerator Pedal or Lever Position Sensor Circuit
Fault Code 134 Remote Accelerator Pedal or Lever Position Sensor Circuit
Fault Code 135 Engine Oil Pressure Sensor Circuit
Fault Code 141 Engine Oil Pressure Sensor Circuit
Fault Code 143 Engine Oil Pressure Low – Warning
Fault Code 144 Coolant Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
Fault Code 145 Coolant Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
Fault Code 15 Engine Coolant Temperature High – Critical
Fault Code 153 Intake Manifold Air Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
Fault Code 154 Intake Manifold Air Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
Fault Code 155 Intake Manifold Air Temperature High – Critical
Fault Code 187 Sensor Supply Voltage Number 2 Circuit
Fault Code 197 Engine Coolant Level Low – Warning
Fault Code 212 Oil Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
AND MUCH MORE…

How does this work?

It’s simple – after purchasing this manual through our secure checkout, a download link will be sent to the email address you specify at checkout. You have up to 90 days to retrieve and save the file. Once saved, the manual is yours for good.

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