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Starters: Diagnosis Kia Rio I рестайлинг

Starter 5 illustrations ~799 words

TROUBLE SHOOTING

Note. For additional information, see * STARTER - GENERAL TROUBLE SHOOTING * article in GENERAL INFORMATION.

ON-VEHICLE TESTING

Note. Before testing, ensure battery is fully charged, battery cables and terminals are clean and tight, and engine grounds are okay.

BATTERY VOLTAGE DROP TEST

Note. The voltage drop test will determine if there is excessive resistance in the battery terminal connections or the battery cables. When performing these tests, remember that the voltage drop is giving an indication of the resistance between the two points at which the DVOM (Digital Voltage and Ohm Meter) probes are attached.

  1. Connect the positive lead of the DVOM to the negative battery terminal post.
  2. Connect the negative lead of the DVOM to the negative battery terminal cable clamp.
  3. Turn the ignition switch to START position and observe DVOM. If voltage is detected, correct the poor contact between the cable clamp and the terminal post.
  4. Connect the positive lead of the DVOM to the positive battery terminal post.
  5. Connect the negative lead of the DVOM to the positive battery cable clamp.
  6. Turn the ignition switch to START position and observe DVOM. If voltage is detected, correct the poor contact between the cable clamp and the terminal post.
  7. Connect the voltmeter to measure between the positive battery terminal post and the starter solenoid battery terminal stud.
  8. Turn the ignition switch to START position and observe the DVOM. If the reading is more than 0.2V, clean and tighten the battery cable connection at the solenoid and repeat the test. If the reading is still more than 0.2V, replace the faulty positive battery cable.
  9. Connect the DVOM to measure between the negative battery terminal post and a good clean ground on the engine block.
  10. Turn the ignition switch to START position and observe DVOM. If the reading is more than 0.2V, clean and tighten the battery cable connection on the engine block and repeat the test. If the reading is still more than 0.2V, correct the faulty negative battery cable.
  11. Connect the DVOM positive lead to the starter housing. Connect the DVOM negative lead to the negative battery terminal post.
  12. Turn the ignition switch to START position and observe the DVOM. If the reading is more than 0.2V, correct the poor starter to engine block ground contact.

COLD CRANKING TEST

  1. Connect a DVOM tester to the battery terminals. Refer to the operating instructions for the tester being used.
  2. Make sure the parking brake is fully engaged. If the vehicle is equipped with an automatic transaxle, place the shift selector in the PARK position. If the vehicle is equipped with a manual transaxle, place the gearshift lever in the NEUTRAL position.
  3. Make sure that all accessories are turned off.
  4. Turn the ignition switch to START position and observe the cranking voltage and current draw.
  5. If the voltage reading is below 9.6 volts, remove the starter for bench testing. See «BENCH TESTING»(ref-164133-S08755370722004072200000) . If the starter bench test is okay, check for engine mechanical problem. See appropriate article in ENGINES. If the starter bench test is not okay, replace the starter. See «STARTER»(ref-164133-S30857407152004072200000) under REMOVAL & INSTALLATION.
  6. If the voltage reading is above 9.6 volts and the current (amperage) draw is below specifications, perform the battery voltage drop test. See «BATTERY VOLTAGE DROP TEST»(ref-164133-S04392355062004072300000) .
  7. If the voltage reading is 12.5 volts or more and the starter doesn't turn, perform solenoid test. See «SOLENOID TEST»(ref-164133-S19857380682004072200000) .
  8. If the voltage reading is 12.5 volts or more and the starter turns very slowly, perform the battery voltage drop test. See «BATTERY VOLTAGE DROP TEST»(ref-164133-S04392355062004072300000) .

Note. A cold engine will increase the starter current (amperage) draw reading and reduce the battery voltage reading.

ARMATURE TEST

  1. Using ohmmeter, check continuity between commutator and core. (Scheme 1)
  2. If continuity exists, replace armature. Check for continuity between commutator and shaft. (Scheme 2) If continuity exists, replace armature.

Scheme 1

Scheme 1
Scheme 1

Scheme 2

Scheme 2
Scheme 2

BRUSH & BRUSH HOLDER TEST

  1. Check continuity between each insulated brush and plate with ohmmeter. (Scheme 3)
  2. Replace brush holder if there is continuity.
  3. Replace spring if there is no continuity.

Scheme 3

Scheme 3
Scheme 3

FIELD COIL TEST

Using ohmmeter, check for continuity between starter solenoid "M" terminal wire and brushes. (Scheme 4) If continuity does not exist, replace field coil assembly. Check for continuity between "M" terminal wire and field coil. (Scheme 5) If continuity exists, replace field coil assembly. Check field coil for looseness. If field coil is loose, replace field coil assembly.

Scheme 4

Scheme 4: FIELD COIL TEST
Scheme 4: FIELD COIL TEST

Scheme 5

Scheme 5
Scheme 5

SOLENOID TEST

Using ohmmeter, check for continuity between starter solenoid "S" and "M" terminals. see scheme 1 If continuity does not exist, replace solenoid. Check for continuity between "S" terminal and solenoid body. If continuity does not exist, replace solenoid. Check for continuity between "M" and "B" terminals. If continuity exists, replace solenoid.

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