Page 965 - Workshop Manual - Tunland (2017)
P. 965

DIAGNOSTICS - ENGINE CONTROL SYSTEM                          04-279

                                                                                                                     04
                      Fault phenomenon                 Possible reasons                      Refer to
                                                  1. Cooling system

                                                  2. Radiator
                                                                                  Chapter 04 Diagnosis- the
                                                  3. Radiator cover
                  Coolant loss - Exterior                                         motor control system, coolant
                                                  4. Cooling pipe                 loss - Exterior
                                                  5. EGR cooler

                                                  6. Heater tank

                                                  1. Oil condenser
                                                  2. Radiator cover
                                                                                  Chapter 04 Diagnosis- the
                  Coolant mixed with engine oil 3. Cylinder gasket                motor control system, coolant
                                                                                  mixed with engine oil
                                                  4. Cylinder block

                                                  5. Cooling system
                                                  1. Coolant temperature
                                                  sensor
                                                                                  Chapter 04 Diagnosis- the
                                                  2. Thermostat
                  The coolant temperature is                                      motor control system, coolant
                  below the normal                3. Warm up system               temperature is below the
                                                                                  normal
                                                  4. Fan
                                                  5. ECM

                                                  1. Engine accessory belt

                                                  2. Intercooler
                                                  3. Air conditioner condenser

                                                  4. Fan
                                                  5. Radiator

                                                  6. Thermostat                   Chapter 04 Diagnosis- the
                  Coolant temperature is above                                    motor control system, coolant
                  normal - sudden overheating     7. Cooling system               temperature is above normal
                                                  8. Coolant temperature          - sudden overheating
                                                  sensor
                                                  9. Cooling pipe

                                                  10. Water pump
                                                  11. Radiator cover

                                                  12. ECM

                                                  1. Coolant
                                                                                  Chapter 04 Diagnosis- the
                  Coolant temperature is above    2. Intercooler                  motor control system, coolant
                  normal - gradually overheated   3. Air conditioner condenser    temperature is above normal
                                                                                  - gradually overheated
                                                  4. Fan
   960   961   962   963   964   965   966   967   968   969   970