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MANUAL TRANSMISSION ELECTRICAL

MANUAL TRANSMISSION ELECTRICAL. OBJECTIVES. Diagnose electrical problems by logic and symptom description. Perform troubleshooting procedures using meters, test lights, and jumper wires. Repair electrical wiring. Replace electrical connectors. Page 369 Lab. OBJECTIVES.

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MANUAL TRANSMISSION ELECTRICAL

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  1. MANUAL TRANSMISSIONELECTRICAL

  2. OBJECTIVES • Diagnose electrical problems by logic and symptom description. • Perform troubleshooting procedures using meters, test lights, and jumper wires. • Repair electrical wiring. • Replace electrical connectors. Page 369 Lab

  3. OBJECTIVES • Locate, test,adjust, and replace electrical switches on a transmission. • Locate, test, and replace transmission related solenoids. • Test, and replace electromagnetic clutches. • Diagnose transmission -related electronic control circuits. Page 369 Lab

  4. BASIC ELECTRICAL TERMS • CIRCUIT • VOLTAGE (Use Voltmeter) • CURRENT (Use Ammeter) • RESISTANCE (Use Ohmmeter) • LOAD • POWER SOURCE Shop Manual - Page 369

  5. OHM GUYS Ohm’s Law It takes 1 volt to push 1 amp through 1 ohm of resistance.

  6. TYPES OF CIRCUITS • SERIES • PARALLEL • SERIES PARALLEL Shop Manual - Page 255

  7. SIMPLE CIRCUIT • Power source • Conductors • Load • May include • Circuit protection • Circuit control Class Manual - Page 209

  8. TYPES OF CIRCUIT FAILURES • Opens Circuits • Shorted Circuits • Grounded Circuits • Poor Connection (common to transmission problems) Shop Manual - Page 372

  9. ELECTRICAL CONNECTIONS • Many different electrical connections • Must be clean and dry • Must be secure and tight • Oil and water will deteriorate connections • Wiring condition must be in good shape Shop Manual - Page 372

  10. PROTECTION DEVICES • Fuses • Cartridge • Blade • Ceramic • Fusible Links • Maxi-Fuses • Circuit Breakers Shop Manual - Page 383

  11. ELECTRICAL CONTROLS • Switches • Controlled by Driver of Car • Mechanical Linkages • Predetermined Condition (Programmed) • Hydraulically Controlled High or Low Pressure • Normally Open / Normally Closed • Insulated side of circuit • Ground side of circuit Shop Manual - Page 385

  12. PRESSURE SWITCHES • Normally Open Single Contact Switch • Normally Open Dual Contact Switch • Apply Air to Test • Ohmmeter

  13. NEUTRAL SAFETY SWITCH • Clutch Start Switch • Electrical Operation and Circuit • Prevents Starter from engaging in gear • Backup Light Switch • Testing and Adjusting • Can use Voltmeter or Ohmmeter Shop Manual - Page 385

  14. SPEED SENSORS • Magnetic Pulse Generators • Hall-effect switch • Light Emitting Diode Shop Manual - Page 389

  15. ELECTRICAL INPUTS • Sensors • Vary Electricity through circuit • Potentiometers (variable resistors

  16. ELECTRICAL OUTPUTS • Solenoids • Change electrical energy into Mechanical energy • Control Shifting • Control Hydraulic Pressure Shop Manual - Page 270

  17. ELECTRICAL OUTPUTS • RELAYS • Normally Open Relay • Normally Closed Relay • Single Contact • Double Contact Shop Manual - Page 257

  18. ELECTRONIC DEFAULTS • Faulty sensor signal will cause transmission to go into default mode • It will protect itself from destruction • Testing for Electronic faults • Scanners • Jumper Wires • Transmission Testers Shop Manual - Page 54 and 283

  19. ADAPTIVE STRATEGY(Computer Relearn) • Relearn after Repair (bat disconnected) • Driveability Concerns • Relearn Procedures Shop Manual - Page 68-69

  20. CIRCUIT BOARD • Install a WHITE wire between 55 & 60. • Install a RED wire between 57 & 167. • Install a WHITE wire between 168 & 169. • Install a GREEN wire between 170 & 58. RK

  21. AVAILABLE VOLTAGE • Place black lead of voltmeter on terminal 58 and red lead on terminal 57. • Black 58 - Red 167 Switch off • Black 58 - Red 168 Switch off • Black 58 - Red 169 Switch off • Black 58 - Red 170 Switch off • Record Readings RK

  22. AVAILABLE VOLTAGE • Place black lead of voltmeter on terminal 58 and red lead on terminal 57. • Black 58 - Red 167 Switch on • Black 58 - Red 168 Switch on • Black 58 - Red 169 Switch on • Black 58 - Red 170 Switch on • Record Readings RK

  23. See Ya Later Dudes!!

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