Transmission Control Systems: Testing and Inspection Procedures Component Tests

Transcription

1 Transmission Control Systems: Testing and Inspection Procedures Component Tests Control Module Pin Out Values Transmission Electrical Check Special tools, testers, etc. - Fluke (R) 83 Digital multimeter or equivalent - VAG 1594 A Adapter set - VAG 1598/18 Test box Test requirements: - Battery voltage OK - Vehicle voltage supply OK - Fuses No. 7, 11, 15 and 31 OK - Fuse in main fuse box (110 amps) OK - Ground connections for transmission OK Ground connection points are located in the plenum area of the cowl and below the battery in the engine compartment. - Check battery Ground strap and Ground strap between battery and transmission. lectrical check - Remove wiper arms. - Switch ignition off, open hood emoving plenum water tray cover

2 - Unclip trim -1- from inner side offender in area of hood hinge -2- on right and left sides. - Remove entire length of plenum seal -1- and remove screws Remove cover for pollen filter -3- by pulling cover forward and up. - Push plenum water tray cover -1- upward off of seat at base of windshield -2- and remove.

3 - Release control module connector and disconnect. - Connect VAG 1598/18 test box to multi-pin connector -1- and lock in direction of arrow -2- Using VAG 1598/18 the wiring can be checked according to the wiring diagram. AUTION! n order to avoid interference with electronic components, switch to the correct test range on the multimeter before connecting the test eads. OTE: - For testing use a Fluke 83 multimeter or equivalent with auxiliary wiring from VAG The specified values are valid for an ambient temperature from 0 C - 40 C ( F). - If measured values differ from the specified values, determine the malfunction using the appropriate wiring diagram. - If measured values differ only slightly from the specified values, clean the sockets and connectors of the testers and test leads and repeat the test. Before replacing the particular components, test wiring and connections and, particularly if specified values are below 10 Ohms, repeat resistance measurement on the component. fter electrical checks:

4 - Connect multi-pin connector to TCM -J217- pins (arrows) and lock connector. - Performing On Board Diagnostic (OBD). See: Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting VAG 1551 Scan Tool - Initiating basic setting. See: Programming Trans Control Module (Basic Setting, Initiating) Transmission Control Module (TCM) -J pin connector assignment (socket numbers on VAG 1598/18) 1 - Ground (terminal 31) 2 - Vacant 3 - CAN-Bus Low input and output signals 4 - Vacant 5 - Vacant 6 - Transmission Fluid Temperature Sensor -G Vacant 8 - Vacant 9 - Solenoid valve 3 -N Solenoid valve 7 -N Park/neutral signal 12 - Vacant 13 - Vacant 14 - Vacant 15 - Brake Light Switch -F- signal voltage 16 - kick Down Switch -F Vacant 18 - Multi-Function TR Switch -F125- (pin 5) 19 - Vacant 20 - Vehicle Speed Sensor -G Transmission Vehicle Speed Sensor -G Solenoid valve 6 -N93- supply voltage 23 - Supply voltage (terminal 15) 24 - OBD K-wire 25 - CAN-Bus High input and output signals 26 - Vacant 27 - Vacant 28 - Vacant 29 - Shift Lock Solenoid -N Vacant 31 - Vacant 32 - Vacant 33 - Vacant 34 - Vacant 35 - Vacant 36 - Vacant 37 - Vacant 38 - Vacant 39 - Vacant 40 - Multi-Function TR Switch -F125- (pin 2) 41 - Vacant 42 - Vacant 43 - Vehicle Speed Sensor -G68- (shielding) 44 - Transmission Vehicle Speed Sensor -G38- (shielding) 45 - Supply voltage (terminal 30) 46 - Vacant 47 - Solenoid valve 4 -N Vacant 49 - Vacant 50 - Vacant 51 - Vacant 52 - Vacant 53 - Vacant 54 - Solenoid valve 2 -N Solenoid valve 1 -N Solenoid valve 5 -N Selector lever display 58 - Solenoid valve 6 -N Vacant 60 - Vacant 61 - Vacant 62 - Multi-Function TR Switch -F125- (pin 6)

5 - Steps listed below according to component Test table

6 ( Test Step 1-2

7 Test Step 3-6

8 Test Sep 7-9

9 ( Test Step 10-11

10 Test Step 12

11 Test Step est step 15: Multi-Function Transmission Range (TR) Switch -F Disconnect connector from multi-function TR switch. onnector pin assignment

12 1 - To Pin 63 of TCM connector 2 - To Pin 40 of TCM connector 3 - To pin Pin 1 of TCM connector (Ground) 4 - Vacant 5 - To Pin 18 of TCM connector 6 - To Pin 62 of TCM connector 7 - To Pin 23 of TCM connector (voltage supply terminal 15) hecking supply voltage. - Connect test box VAG 1598/18. - Switch multimeter to 20 V measuring range. - Switch ignition on. - Measure between terminal 7 and terminal 3 (Ground) on connector disconnected from multi-function TR switch. Specification: Battery voltage - Measure from terminal 7 of connector to socket 1 on 1598/18 (Ground). - Measure from socket 23 (terminal 15) on 1598/18 to socket 1 on 1598/18 (Ground). Specification: Battery voltage f the specifications are not obtained: Repair wiring according to the wiring diagram. f the specifications are obtained: Check wiring further. - Switch ignition off. - Disconnect Park/Neutral Position (PNP) Relay - J Set multimeter to 200 Ohms measuring range heck the wiring between the multi-pin connector on the TCM and the connector on the multi-function TR switch. - Measure between sockets 1 and 18 on VAG 1598/18. - Measure between sockets 23 and 18 on VAG 1598/18. - Measure between socket 18 on VAG 1598/18 and terminal 5 on connector. Specification: Less than 1.5 Ohms f the specifications are not obtained: Repair wiring according to the wiring diagram. f the specifications are obtained: Check wiring further. - Measure between sockets 1 and 63 on VAG 1598/18. - Measure between sockets 23 and 63 on VAG 1598/18. - Measure between socket 63 on VAG 1598/18 and terminal 1 on connector. Specification: Less than 1.5 Ohms f the specifications are not obtained: Repair wiring according to the wiring diagram. f the specifications are obtained: Check wiring further. - Measure between sockets 1 and 62 on VAG 1598/18. - Measure between sockets 23 and 62 on VAG 1598/18.

13 - Measure between socket 62 on VAG 1598/18 and terminal 6 on connector. Specification: Less than 1.5 Ohms If the specifications are not obtained: Repair wiring according to the wiring diagram. If the specifications are obtained: Check wiring further. - Measure between sockets 1 and 40 on VAG 1598/18. - Measure between sockets 23 and 40 on VAG 1598/18. - Measure between socket 40 on VAG 1598/18 and terminal 2 on connector. Specification: Less than 1.5 Ohms If the specifications are not obtained: Repair wiring according to the wiring diagram. If the specifications are obtained: Replace multi-function TR switch. - Install Park/Neutral Position (PNP) Relay -J226-.