MANUAL TRANSMISSION ELECTRICAL - PowerPoint PPT Presentation

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Title:

MANUAL TRANSMISSION ELECTRICAL

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Modified from automatic trans electrical to manual trans electrical covering chapter 9 in Manual Drive train. 5/3/98 – PowerPoint PPT presentation

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Title: MANUAL TRANSMISSION ELECTRICAL


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
Ohms 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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