SIGNAL SPECIFICATION
All values listed below are between the terminal in column 1 and terminal #A9 (#39 on the breakout box), unless otherwise indicated in brackets.
Note. Connect the breakout box and check the ground terminals before taking readings.
| U= | DC voltage in volts (V) | U AC = | AC voltage in volts (V) |
|---|---|---|---|
| U bat = | Battery voltage | F = | Frequency in Hertz (Hz) |
| U low = | Voltage approximately 0 V | % duty = | Duty cycle (pulse ratio) as a percentage (%) |
| T = | Time in milliseconds (ms) |
- Connector A (16-pin) corresponds to terminals #31 - #46 on the breakout box
- Connector B (4-pin) corresponds to terminals #51 - #54 on the breakout box
- Connector C (22-pin on transmission side) corresponds to terminals #1 - #22 on the breakout box.
| Connector A, terminals #A1-#A16. The following values are measured between the relevant terminal in column 1 and #A9 (#39 on the breakout box) unless otherwise stated. Note! Check the ground terminals before starting to take readings with the breakout box. U = DC in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
Scheme 3
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #31 | #A1 | Power supply | Ubat | 30-supply from the fuse | |
| #32 | #A2 | ||||
| #33 | #A3 | ||||
| #34 | #A4 | ||||
| #35 | #A5 | Signal, start inhibiting system | Ulow when starting is permitted | Signal to the engine control module (ECM) about permitted start | |
| #36 | #A6 | Control module communication cable CAN_L | The voltage is 1.5-2.5 V during communication | ||
| #37 | #A7 | Communication cable LIN gear selector module (GSM) | During communication the voltage is 0V - Ubat | ||
| #38 | #A8 | Control module communication cable CAN_H | The voltage is 2.0-3.5 V during communication | ||
| #39 | #A9 | Power ground | U = Ulow | ||
| #40 | #A10 | ||||
| #41 | #A11 | Power supply | U = Ubat | 15-supply from ignition switch via fuse | |
| #42 | #A12 | ||||
| #43 | #A13 | Signal, shift inhibitor Shift-lock solenoid to gear selector module (GSM) | Shift inhibitor U=Ubat when the solenoid is not activated U=Ulow when the solenoid is activated | Solenoid not activated = gear selector locked Solenoid activated = gear selector can be moved | |
| #44 | #A14 | Communication cable C-line | For serial communication | ||
| #45 | #A15 | ||||
| #46 | #A16 | Power supply, gear selector module (GSM) | U = Ubat | ||
CONNECTOR A, TERMINALS #A31 - #A46
| Connector B, terminals #A17-#A20 The following values are measured between the relevant terminal in column 1 and #A9 (#39 on the breakout box) unless otherwise stated. Note! Check the ground terminals before starting to take readings with the breakout box. U = DC voltage in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
Scheme 4
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #51 | #B1 | Signal, transmission output speed sensor | Tooth against sensor: 14 mA Cover against sensor: 7 mA | The sensor generates a pulsed current (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. Frequency increases with speed. | |
| #52 | #B2 | Power supply, transmission output speed sensor | Power supply, transmission output speed sensor approx. 1-3 V < Ubat | ||
| #53 | #B3 | Signal, transmission input speed sensor | Tooth against sensor: 14 mA Cover against sensor: 7 mA | The sensor generates a pulsed current (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. Frequency increases with speed. | |
| #54 | #B4 | Power supply, transmission input speed sensor | Power supply, transmission input speed sensor approx. 1-3 V < Ubat | ||
CONNECTOR B, TERMINALS #B1-#B4
| Connector B, terminals #A17-#A20 The following values are measured between the relevant terminal in column 1 and #A9 (#39 on the breakout box) unless otherwise stated. Note! Check the ground terminals before starting to take readings with the breakout box. U = DC in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
Scheme 5
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #1 | #C1 | Control signal, shift solenoid S1 | Activated: U=0-2 V below Ubat Not activated: Ulow | The solenoid is supplied with voltage when activated by the transmission control module (TCM) in 1st gear | |
| #2 | #C2 | Control signal, shift solenoid S2 | Activated: U=0-2 V below Ubat Not activated: Ulow | The solenoid is supplied with voltage when activated by the transmission control module (TCM) in 1st and 5th gears | |
| #3 | #C3 | Control signal, linear pressure solenoid SLT | F=300Hz. The frequency is constant, irrespective of driving conditions. The signal duty cycle is modified when line pressure is adapted. | The solenoid receives power when it is activated by the transmission control module (TCM). | |
| #4 | #C4 | ||||
| #5 | #C5 | ||||
| #6 | #C6 | Signal ground, linear pressure solenoid SLT | U = Ulow | ||
| #7 | #C7 | Signal ground, Lock-up solenoid SLU | U = Ulow | ||
| #8 | #C8 | ||||
| #9 | #C9 | Control signal, lock-up solenoid SLU | F=300Hz. The frequency is constant, irrespective of driving conditions. The signal duty cycle is modified when line pressure is adapted. | The solenoid receives power when it is activated by the transmission control module (TCM). | |
| #10 | #C10 | Signal ground, linear pressure solenoid SLS | U = Ulow | ||
| #11 | #C11 | ||||
| #12 | #C12 | ||||
| #13 | #C13 | Signal ground, oil temperature sensor | Ulow | Ground | |
| #14 | #C14 | Signal, oil temperature sensor | Cold transmission (+20°C): U=2.4 Hot transmission (+100°C): U=0.3-0.5 V | U decreases with increasing temperature | |
| #15 | #C15 | ||||
| #16 | #C16 | Control signal, line pressure solenoid SLS | F=300Hz. The frequency is constant, irrespective of driving conditions. The signal duty cycle is modified when line pressure is adapted. | The solenoid receives power when it is activated by the transmission control module (TCM). | |
| #17 | #C17 | Control signal, shift solenoid S3 | Activated: U=0-2 V below Ubat Not activated: Ulow | The solenoid is supplied with voltage when activated by the transmission control module (TCM) in 1st, 2nd and 3rd gears | |
| #18 | #C18 | ||||
| #19 | #C19 | ||||
| #20 | #C20 | ||||
| #21 | #C21 | Control signal, shift solenoid S5 | Activated: U=0-2 V below Ubat Not activated: Ulow | The solenoid is supplied with voltage when it is activated by the transmission control module (TCM) in position R and when shifting from 2nd to 3rd gear | |
| #22 | #C22 | Control signal, shift solenoid S4 | Activated: U=0-2 V below Ubat Not activated: Ulow | The solenoid receives voltage when activated by the transmission control module (TCM) in 3rd, 4th and 5th gears | |
CONNECTOR C, TERMINALS #C1- #C22
See SIGNAL SPECIFICATION
Scheme 6
| Component | Remarks | Resistance (ohms) |
|---|---|---|
| Shift solenoids S1, S2, S3, S4 and S5 | Resistance between the solenoid pin and the solenoid sleeve or transmission housing | +20 °C= 11-16 ohms |
For other values, see diagram. When taking readings at temperatures other than +20 °C, a control reading must be taken at +20 °C. This is done to check whether the resistance is correct or not.
Scheme 7
| Component | Remarks | Resistance (ohms) |
|---|---|---|
| Lock-up solenoid (SLU) Linear pressure solenoid (SLT) (SLS) | Resistance between the solenoid pins | +20 °C= 5.0-5.6 ohms |
For other values, see diagram. When taking readings at temperatures other than +20 °C, a control reading must be taken at +20 °C. This is done to check whether the resistance is correct or not.
Scheme 8
| Component | Remarks | Resistance (ohms) |
|---|---|---|
| Oil temperature sensor | Resistance between the terminals on the temperature sensor | +10 °C= 5800-7090 ohms |
| +110 °C= 231-263 ohms |
The resistance decreases with increasing temperature.
The control reading should be taken at both temperatures to check whether the resistance is correct or not.
Scheme 9
| Component | Remarks | Resistance (ohms) |
|---|---|---|
| Solenoid Park / neutral position (PNP) switch | Resistance between the solenoid terminals | +20 °C= 24.5-29.3 ohms |