Suzuki Grand Vitara SQ416/SQ420/420WD

1 — the electronic control unit
2 — J/B
3 — the sensor (switch) of provision of transmission
Color designations of wires

*Сигнал the switch of provision of transmission (P, R, N, D, 2 or L) does not arrive within 25 seconds for speed of the car of 60 km/h (38 miles/h) or more.

or

*odnovremenno the set of signals in 25 seconds (the logician of definition on 2 motion cycles) arrives

* the Sensor (switch) of provision of transmission is incorrectly adjusted.

* the sensor (switch) of provision of transmission or its scheme Is faulty.

* Electronic control unit

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

Check work of an electrochain of the switch (sensor) of provision of transmission.

When the scanning SUZUKI tool is used:

At the switched-off switch of ignition attach scanning SUZUKI tool to the diagnostic socket

Turn on the switch of ignition and check on the display a signal of provision of transmission (P, R, N, D, 2 or L), switching the switching lever in each situation

The relevant situation is highlighted?

When the scanning SUZUKI tool is not used:

Turn on the ignition switch.

Check tension on contacts of C 51-1-15, C 51-1-16, C 51-1-17, C 51-1-18, C 51-1-27 and C 51-1-28 for G16/J20 engines respectively, switching the lever in each situation

Take for an example contacts of C 51-1-28 for G16/J20 and look, whether tension of the battery only is highlighted when the lever of switching of transfer is switched in situation "2", and in other provisions tension of 0 Volts?

Similarly, being guided by drawing, check tension on other contacts

Results of check are satisfactory?

Problem of intermittence of a chain. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

Pass to a step 3

3

Check adjustment of a cable of a choice of transfer as it is described in this Chapter in the Section a gear shifting Cable

It is adjusted correctly?

Pass to a step 4

Adjust

4

Check the provision of installation at the switch of provision of transmission

Switch the lever of a choice of transfer to the situation "N"

Check, that the control line "N" on the switch and the central line on a shaft coincided

They coincide?

Pass to a step 5

Adjust

5

Check the switch (sensor) of provision of transmission as it is described in this section, in the Section Switch (sensor) of a range of transmission

Results of check are satisfactory?

In a chain of "Y", “Or/G”, “R”, “Or/Bl”, “Y/G”, “G/Or” or “G/Bl” short circuit or gap. If wires and connections as it should be, replace with the serviceable block of electronic control and recheck

Replace the TR switch.

A — G16/J20 Engines
1 — the electronic control unit (PCM)
2 — the sensor of entering speed of an automatic transmission

A — G16/J20 Engines

The speed defined by the sensor of entering speed, less, than specified in the specification when the car moves under following conditions:

* for the speed more than 10 km/h (7 miles/h) with the 1st transfer in situation D within 1 second or are more

* for the speed more than 20 km/h (13 miles/h) with the 2nd transfer in situation D within 2 seconds or are more

* for the speed more than 30 km/h (20 miles/h) with the 3rd transfer in situation D within 2 seconds or are more (logic of definition on 2 motion cycles)

* the Sensor of entering speed and its electroscheme.

* Electronic control unit.

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

Verification of the electroscheme of the sensor of entering speed:

Uncover the electronic control unit.

At the switched-off switch of ignition disconnect sockets of the electronic control unit.

Check connection with the sensor of entering speed on contacts of C 51-1-10 and C 51-1-11 for G16/J20

If everything is all right, check resistance of a chain of the sensor. Resistance between C 51-1-10 and C 51-1-11 for G16/J20: 530-650 at 20 ° C, 68°F

Resistance between C 51-1-10/of C 51-1-11 for G16/J20: 1 of M or more.

Results of check are satisfactory?

Pass to a step 4

Pass to a step 3

3

Check of the sensor of entering speed:

At the switched-off switch of ignition disconnect the socket of the sensor of entering speed.

Check connection with the sensor of entering speed on all contacts.

If everything is all right, check resistance of the sensor of entering speed.

The measured values correspond specified in a step 2?

Conducting of "Bl/G" or “Bl/Y” is opened or closed on "earth"

Replace the sensor of entering speed

4

Visually check the sensor of entering speed and a drum of coupling of raising transfer that there was no following:

* Damages

* the Stuck alien materials

* That it was correctly established

They in a good condition?

Problem of intermittence of a chain or faulty electronic control unit. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

Clean, repair or replace

A — G16/J20 Engines
1 — the electronic control unit (RSM)
2 — the sensor of speed on an exit of an automatic transmission

A — G16/J20 Engines

* At the switched-off bottom switch of a full drive the signal of the sensor of speed on an exit does not arrive, though signals of the sensor of speed of the car arrive

or

* At the switched-off bottom switch of a full drive the signal of the sensor of speed on an exit does not arrive, though the engine works at speed above specified in situation "D" (logic of definition on 2 motion cycles)

* the Sensor of speed on an exit of an automatic transmission or its electroscheme

* Electronic control unit

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

Verification of the electroscheme of the sensor of speed on an exit:

Uncover the electronic control unit.

At the switched-off switch of ignition disconnect sockets of the electronic control unit.

Check connection with the sensor of entering speed on contacts of C 51-1-22 and C 51-1-23 for G16/J20

If everything is all right, check resistance of a chain of the sensor. Resistance between C 51-1-22 and C 51-1-23 for G16/J20: 387-473 at 20 ° C, 68°F

Resistance between C 51 - 1-122/C 51-1-23 for G16/J20 and "earth": 1 of M or more

Results of check are satisfactory?

Pass to a step 4

Pass to a step 3

3

Check of the sensor of speed on an exit:

At the switched-off switch of ignition disconnect the socket of the sensor of speed on an exit

Check connection with the sensor of speed on an exit on all contacts

If everything is all right, check resistance of the sensor of speed on an exit

The measured values correspond specified in a step 2?

Conducting of "O" or “W” is opened or closed on "earth"

Replace the sensor of speed on an exit

4

Visually check the sensor of speed on an exit and the rotor sensor that there was no following:

* Damages

* the Stuck alien materials

* That were correctly established

They in a good condition?

Problem of intermittence of a chain or faulty electronic control unit. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

Clean, repair or replace

* At movement on the 2nd or 4th transfer, in situation the "D" control of TSS of the electronic control unit will not be coordinated with real work of TSS of transmission, even in spite of the fact that the solenoidal valve in a good electric condition (logic of definition on 2 motion cycles)

* Jamming of the TSS solenoidal valve (blocking)

* TSS control valve Jamming

* the channel for liquid in the valve case Is littered

* TSS Is faulty

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

TSS solenoidal valve check:

Check operation of the TSS solenoidal valve as it is described in this Chapter in the Section Solenoidal valves.

It in a good condition?

Pass to a step 3

TSS faulty solenoidal valve

3

Check of the case of the valve:

Check the valve case as it is described in this Chapter in the Section Servicing

It in a good condition?

Faulty hydrotransformer

Faulty case of the valve

A — G16/J20 Engines
1 — the electronic control unit (RSM)
2 — the solenoid pereklyucheniya-A

3 — the solenoid pereklyucheniya-V
4 — the TSS solenoid

A — G16/J20 Engines

Tension on contact of C 51-1-8 for G16/J20 of the electronic control unit (RSM) high at team OFF the TSS solenoid, and tension low at team INCL. the TSS solenoid

* TSS Solenoidal valve (blocking)

* Elektroskhema of the TSS solenoidal valve (blocking)

* Electronic control unit

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

On the car there is a socket for the monitor?

Pass to a step 3

Pass to a step 4

3

Malfunction No. 65 code?

Pass to a step 4

Pass to a step 6

4

Check an electrochain соленодида TSS on a gap or short circuit:

Switch off the switch of ignition and disconnect sockets of the Electronic control unit (RSM)

Check connection with the electronic control unit (RSM) on contacts of C 51-1-8 for G16/J20

If everything is all right, measure resistance between contact of C 51-1-8 for G16/J20 of the disconnected socket of the electronic control unit and "earth"

Resistance 11-15 at 20 ° C, 68°F?

Pass to a step 5

The chain of "G/Y" is broken off or closed on "earth". If wires and contacts as it should be, replace the faulty solenoid of switching

5

Check a TSS solenoid chain on short circuit

Turn on the ignition switch.

Measure tension between contact of C 51-1-8 for G16/J20 of the disconnected socket of the electronic control unit and "earth"

Tension more than 0th Volts?

Problem of intermittence of a chain or faulty electronic control unit. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

The chain of "G/Y" is closed on a power chain

6

Check a TSS solenoid chain on short circuit

Switch off the switch of ignition and disconnect sockets of the electronic control unit (RSM)

Check connection with the electronic control unit (RSM) on contacts of C 51-1-8 for G16/J20 or С51 - 1-1

If everything is all right, measure resistance between contact of C 51-1-8 for G16/J20 of the disconnected socket of the electronic control unit (RSM) and "zemley"

Resistance 11-15 at 20 ° C, 68°F?

Problem of intermittence of a chain or faulty electronic control unit. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

The chain of "G/Y" is closed on "earth". If wires and contacts as it should be, replace the faulty solenoid of switching

At movement in situation D management of switching of transfer of the electronic control unit (RSM) will not be coordinated with real position of the switch of an automatic transmission even in spite of the fact that the solenoidal valve is in a good electric condition

The provision of transfer of an automatic transmission pays off on the basis of a signal of speed of the engine and a signal of the sensor of speed of the car (the logician of definition on 2 motion cycles)

Code of malfunction Р0751:

* the Solenoidal valve pereklyucheniya-A is jammed or in it leak

* the Valve of switching 2-3 is jammed or in it leak

* the channel for liquid in the valve case Got littered

* Mechanical malfunction in transmission (malfunction of direct coupling)

Code of malfunction Р0756:

* the Solenoidal valve pereklyucheniya-V is jammed or in it leak

* the Valve of switching 1-2 is jammed

* the Valve of switching 3-4 is jammed

* the channel for liquid in the valve case Got littered

* Mechanical malfunction in transmission (malfunction of the second brake)

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

Check of operation of the solenoidal valve pereklyucheniya-A or – In:

Check operation of the solenoidal valve pereklyucheniya-A or – In as it is described in this Chapter in the Section Solenoidal valves.

It in a good condition?

Pass to a step 3

The faulty solenoidal valve pereklyucheniya-A or – In

3

Check of the case of the valve:

Check the case of the valve and it suited, as it is described in the Section Servicing

They in a good condition?

Repair an automatic transmission

Faulty case of the valve

A — G16/J20 Engines
1 — the electronic control unit (RSM)
2 — the solenoid pereklyucheniya-A

3 — the solenoid pereklyucheniya-V
4 — the TSS solenoid

A — G16/J20 Engines

Code of malfunction Р0753:

Tension on contact of C 51-1-2 for G 6/J20 is specified in the specification or below when the solenoidal valve pereklyucheniya-A is switched on, or specified in the specification or above when it is switched off.

* Solenoidal valve pereklyucheniya-A

* Chain of the solenoidal valve pereklyucheniya-A

* Electronic control unit (RSM)

Code of malfunction Р0758:

Tension on contact of C 51-1-1 is specified in the specification or below when the solenoidal valve pereklyucheniya-V is switched on, or specified in the specification or above when it is switched off.

* Solenoidal valve pereklyucheniya-V

* Chain of the solenoidal valve pereklyucheniya-V

* Electronic control unit (RSM)

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

On the car there is a socket for the monitor?

Pass to a step 3

Pass to a step 4

3

Malfunction No. 61 or 63 code?

Pass to a step 4

Pass to a step 6

4

Check a solenoid electrochain on a gap or short circuit:

Switch off the switch of ignition and disconnect sockets of the electronic control unit (RSM)

Check connection with the electronic control unit (RSM) on contacts of C 51-1-2 for G16/J20 or С51 - 1-1

If everything is all right, measure resistance between contact of C 51-1-2 for G16/J20 or С51 - 1-1 the disconnected socket of the electronic control unit and "earth"

Resistance 11-15 at 20 ° C, 68°F?

Pass to a step 5

The chain of "G" or “G/R” is broken off or closed on "earth". If wires and contacts as it should be, replace the faulty solenoid of switching

5

Check a solenoid chain on short circuit

Turn on the ignition switch.

Measure tension between contact of C 51-1-2 for G16/J20 or С51 - 1-1 the disconnected socket of the electronic control unit and "earth"

Tension about 0th Volts?

Problem of intermittence of a chain or faulty electronic control unit. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

The chain of "G" or “G/R” is closed on a power chain

6

Check a solenoid chain on short circuit

Switch off the switch of ignition and disconnect sockets of the electronic control unit (RSM)

2) Check connection with the electronic control unit (RSM) on contacts of C 51-1-2 for G16/J20 or С51 - 1-1

If everything is all right, measure resistance between contact of C 51-1-2 for G16/J20 or С51 - 1-1 the disconnected socket of the electronic control unit (RSM) and "zemley"

Resistance 11-15 at 20 ° C, 68°F?

Problem of intermittence of a chain or faulty electronic control unit. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

The chain of "G" or “G/R” is closed on "earth"

A — G16/J20 Engines
1 — the electronic control unit (RSM)

2 — the bottom switch of a full drive
3 — J/C

At movement for the speeds above specified and with big, than it is specified, a throttle gleam, the following conditions are satisfactory for specified time

* the Speed of the car defined by the sensor of speed of the car, on 10 km/h more than the speed defined by the sensor of speed on an exit of an automatic transmission (the logician of definition on 2 motion cycles)

* Nizhny switch of a full drive or its electroscheme

Electronic control unit (RSM)

• At carrying out tests on the road choose a place where there is no movement or probabilities of road accident, and be very careful during test not to have an accident.
• On the road two persons, the driver and the verifier, on the equal road should carry out test.

 PERFORMANCE ORDER

1

Instructions of the Table of diagnostics of an automatic transmission are executed?

Pass to a step 2

Pass to the Table of diagnostics of an automatic transmission

2

Check of the bottom switch of a full drive and its electroscheme:

By means of the scanning SUZUKI tool:

At the switched-off switch of ignition attach scanning SUZUKI tool to the diagnostic socket

Turn on the ignition switch.

On the scanning tool choose a mode «List of data»

Check on the display a signal of the bottom switch of a full drive (INCL. or OFF) when switching transfer to each situation

Situation 4Н or 2Н: OFF.

Situation 4L: INCL.

VYKL signal / INCL. is highlighted, how is described above?

Without the aid of the scanning SUZUKI tool:

Uncover the electronic control unit (RSM)

Turn on the ignition switch

Check tension on contact of C 51-1-26 for G16/J20 of the socket of the electronic control unit which is becoming isolated at switching of the lever of transfer to each situation

Situation 4Н or 2Н: 10-14 Volts

Situation 4L: 0-1 Volt

Tension such how it is specified?

Check quality of connection on contact of the electronic control unit if in a step 2 the voltmeter is used

If connection as it should be, problem of intermittence of a chain or faulty electronic control unit. Check on intermittence as it is described in Head the General information in the Section Interrupting or weak connection

Pass to a step 3

3

Check of the bottom switch of a full drive:

Check operation of the bottom switch of a full drive as it is described below in subsection Check of the bottom switch of a full drive

Results of check are satisfactory?

Short circuit or rupture of a chain of "Or/W" or “B”. If wires and sockets as it should be, replace with the serviceable electronic control unit and recheck

Replace the bottom switch of a full drive

 PERFORMANCE ORDER