Suzuki Grand Vitara SQ416/SQ420/420WD

1 — the electronic block of management
2 — J/B
3 — the gauge (switch) of position of transmission
Colour designations of wires

*Сигнал the switch of position 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/ch) or more.

Or

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

* The gauge (switch) of position of transmission is incorrectly adjusted.

* The gauge (switch) of position of transmission or its scheme is faulty.

* The electronic block of management

• At carrying out of tests on road choose a place where there is no movement or probabilities of road accident, and be very cautious during test not to have an accident.
• For road two persons, the driver and the verifier, on equal road should spend 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 up work of an electrochain of the switch (gauge) of position of transmission.

When scanning tool SUZUKI is used:

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

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

Corresponding position is highlighted?

When scanning tool SUZUKI is not used:

Include the ignition switch.

Check up pressure on contacts 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 engines G16/J20 accordingly, switching the lever in each position

Take for an example contacts C 51-1-28 for G16/J20 and look, whether pressure of the battery only is highlighted when the lever of switching of transfer is switched in position 2, and in other positions pressure of 0 Volt?

Similarly, being guided by drawing, check up pressure on other contacts

Results of check are satisfactory?

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

Pass to a step 3

3

Check up adjustment of a cable of a choice of transfer as it is described in the given Chapter in Section a gear change Cable

It is adjusted correctly?

Pass to a step 4

Adjust

4

Check up position of installation at the switch of position of transmission

Switch the lever of a choice of transfer to position “N”

Check up, that a control line “N” on the switch and the central line on a shaft coincided

They coincide?

Pass to a step 5

Adjust

5

Check up the switch (gauge) of position of transmission as it is described in the given section, in Section the Switch (gauge) of a range of transmission

Results of check are satisfactory?

In a chain “Y”, “Or/G”, “R”, “Or/Bl”, “Y/G”, “G/Or” or “G/Bl” short circuit or rupture. If wires and connections are perfectly in order, replace with the serviceable block of electronic control and recheck

Replace switch TR.

A — Engines G16/J20
1 — the electronic block of management (PCM)
2 — the gauge of entering speed of an automatic transmission

A — Engines G16/J20

The speed defined by the gauge 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/ch) with 1st transfer to position D within 1 second or are more

* For the speed more than 20 km/h (13 miles/ch) with 2nd transfer to position D within 2 seconds or are more

* For the speed more than 30 km/h (20 miles/ch) with 3 transfer to position D within 2 seconds or are more (logic of definition on 2 motion cycles)

* The gauge of entering speed and its electroscheme.

* The electronic block of management.

• At carrying out of tests on road choose a place where there is no movement or probabilities of road accident, and be very cautious during test not to have an accident.
• For road two persons, the driver and the verifier, on equal road should spend 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 electroscheme of the gauge of entering speed:

Uncover the electronic block of management.

At the switched off switch of ignition disconnect sockets of the electronic block of management.

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

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

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

Results of check are satisfactory?

Pass to a step 4

Pass to a step 3

3

Check of the gauge of entering speed:

At the switched off switch of ignition disconnect a socket of the gauge of entering speed.

Check up connection with the gauge of entering speed on all contacts.

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

The measured values correspond specified in a step 2?

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

Replace the gauge of entering speed

4

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

* Damages

* The stuck alien materials

* That has been correctly established

They in a good condition?

Problem of intermittence of a chain or the faulty electronic block of management. Check up on intermittence as Interrupting or weak connection is described in the Head the General information in Section

Clean, repair or replace

A — Engines G16/J20
1 — the electronic block of management (РСМ)
2 — the gauge of speed on an exit of an automatic transmission

A — Engines G16/J20

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

Or

* At the switched off bottom switch of a full drive the signal of the gauge of speed on an exit does not arrive, though the engine works for the speed above specified in position “D” (logic of definition on 2 motion cycles)

* The gauge of speed on an exit of an automatic transmission or its electroscheme

* The electronic block of management

• At carrying out of tests on road choose a place where there is no movement or probabilities of road accident, and be very cautious during test not to have an accident.
• For road two persons, the driver and the verifier, on equal road should spend 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 electroscheme of the gauge of speed on an exit:

Uncover the electronic block of management.

At the switched off switch of ignition disconnect sockets of the electronic block of management.

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

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

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

Results of check are satisfactory?

Pass to a step 4

Pass to a step 3

3

Check of the gauge of speed on an exit:

At the switched off switch of ignition disconnect a socket of the gauge of speed on an exit

Check up connection with the gauge of speed on an exit on all contacts

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

The measured values correspond specified in a step 2?

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

Replace the gauge of speed on an exit

4

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

* Damages

* The stuck alien materials

* That have been correctly established

They in a good condition?

Problem of intermittence of a chain or the faulty electronic block of management. Check up on intermittence as Interrupting or weak connection is described in the Head the General information in Section

Clean, repair or replace

* At movement on 2nd or 4th transfer, in position "D" control ТСС of the electronic block of management will not be co-ordinated with real work ТСС 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 solenoidal valve TSS (blocking)

* Jamming of control valve TSS

* The channel for a liquid in the valve case is littered

* It is faulty ТСС

• At carrying out of tests on road choose a place where there is no movement or probabilities of road accident, and be very cautious during test not to have an accident.
• For road two persons, the driver and the verifier, on equal road should spend 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 solenoidal valve TSS:

Check up work of solenoidal valve TSS as it is described in the given Chapter in Section Solenoidal valves.

It in a good condition?

Pass to a step 3

Faulty solenoidal valve TSS

3

Check of the case of the valve:

Check up the valve case as Servicing is described in the given Chapter in Section

It in a good condition?

The faulty hydrotransformer

The faulty case of the valve

A — Engines G16/J20
1 — the electronic block of management (РСМ)
2 — the switching solenoid

3 — the switching-in solenoid
4 — solenoid TSS

A — Engines G16/J20

Pressure on contact C 51-1-8 for G16/J20 the electronic block of management (РСМ) high at a command OFF solenoid TSS, and pressure low at a command INCL. solenoid TSS

* Solenoidal valve TSS (blocking)

* The electroscheme of solenoidal valve TSS (blocking)

* The electronic block of management

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

Code of malfunction №65?

Pass to a step 4

Pass to a step 6

4

Check up an electrochain соленодида ТСС on rupture or short circuit:

Switch off the switch of ignition and disconnect sockets of the Electronic block of management (РСМ)

Check up connection with the electronic block of management (РСМ) on contacts C 51-1-8 for G16/J20

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

Resistance 11 – 15 at 20 C, 68F?

Pass to a step 5

The chain “G/Y” is broken off or closed on "earth". If wires and contacts are perfectly in order, replace the faulty solenoid of switching

5

Check up solenoid TSS chain on short circuit

Include the ignition switch.

Measure pressure between contact C 51-1-8 for G16/J20 the disconnected socket of the electronic block of management and "earth"

Pressure is more 0 Volt?

Problem of intermittence of a chain or the faulty electronic block of management. Check up on intermittence as Interrupting or weak connection is described in the Head the General information in Section

The chain “G/Y” is closed on a power chain

6

Check up solenoid TSS chain on short circuit

Switch off the switch of ignition and disconnect sockets of the electronic block of management (РСМ)

Check up connection with the electronic block of management (РСМ) on contacts C 51-1-8 for G16/J20 or С51-1-1

If everything is all right, measure resistance between contact C 51-1-8 for G16/J20 the disconnected socket of the electronic block of management (РСМ) and "earth"

Resistance 11 – 15 at 20 C, 68F?

Problem of intermittence of a chain or the faulty electronic block of management. Check up on intermittence as Interrupting or weak connection is described in the Head the General information in Section

The chain “G/Y” is closed on "earth". If wires and contacts are perfectly in order, replace the faulty solenoid of switching

At movement in position D management of transfer switching of the electronic block of management (РСМ) will not be co-ordinated 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

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

Code of malfunction Р0751:

* The solenoidal valve of switching is jammed or in it leak

* The valve of switching 2-3 is jammed or in it leak

* The channel for a liquid in the valve case has got littered

* Mechanical malfunction in transmission (malfunction of direct coupling)

Code of malfunction Р0756:

* The solenoidal valve of switching-in 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 a liquid in the valve case has got littered

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

• At carrying out of tests on road choose a place where there is no movement or probabilities of road accident, and be very cautious during test not to have an accident.
• For road two persons, the driver and the verifier, on equal road should spend 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 work of the solenoidal valve of switching or – In:

Check up work of the solenoidal valve of switching or – In as it is described in the given Chapter in Section Solenoidal valves.

It in a good condition?

Pass to a step 3

The faulty solenoidal valve of switching or – In

3

Check of the case of the valve:

Check up the case of the valve and its channel as Servicing is described in Section

They in a good condition?

Repair an automatic transmission

The faulty case of the valve

A — Engines G16/J20
1 — the electronic block of management (РСМ)
2 — the switching solenoid

3 — the switching-in solenoid
4 — solenoid TSS

A — Engines G16/J20

Code of malfunction Р0753:

Pressure on contact C 51-1-2 for G 6/J20 is specified in the specification or more low when the solenoidal valve of switching is included, or specified in the specification or above when it is switched off.

* The solenoidal valve of switching

* Chain of the solenoidal valve of switching

* The electronic block of management (РСМ)

Code of malfunction Р0758:

Pressure on contact C 51-1-1 is specified in the specification or more low when the solenoidal valve of switching-in is included, or specified in the specification or above when it is switched off.

* The solenoidal valve of switching-in

* Chain of the solenoidal valve of switching-in

* The electronic block of management (РСМ)

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

Code of malfunction №61 or 63?

Pass to a step 4

Pass to a step 6

4

Check up a solenoid electrochain on rupture or short circuit:

Switch off the switch of ignition and disconnect sockets of the electronic block of management (РСМ)

Check up connection with the electronic block of management (РСМ) on contacts C 51-1-2 for G16/J20 or С51-1-1

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

Resistance 11 – 15 at 20 C, 68F?

Pass to a step 5

The chain “G” or “G/R” is broken off or closed on "earth". If wires and contacts are perfectly in order, replace the faulty solenoid of switching

5

Check up a solenoid chain on short circuit

Include the ignition switch.

Measure pressure between contact C 51-1-2 for G16/J20 or С51-1-1 the disconnected socket of the electronic block of management and "earth"

Pressure nearby 0 Volt?

Problem of intermittence of a chain or the faulty electronic block of management. Check up on intermittence as Interrupting or weak connection is described in the Head the General information in Section

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

6

Check up a solenoid chain on short circuit

Switch off the switch of ignition and disconnect sockets of the electronic block of management (РСМ)

2) Check up connection with the electronic block of management (РСМ) on contacts C 51-1-2 for G16/J20 or С51-1-1

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

Resistance 11 – 15 at 20 C, 68F?

Problem of intermittence of a chain or the faulty electronic block of management. Check up on intermittence as Interrupting or weak connection is described in the Head the General information in Section

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

A — Engines G16/J20
1 — the electronic block of management (РСМ)

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, the throttle gleam, following conditions are satisfactory for specified time

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

* The bottom switch of a full drive or its electroscheme

The electronic block of management (РСМ)

• At carrying out of tests on road choose a place where there is no movement or probabilities of road accident, and be very cautious during test not to have an accident.
• For road two persons, the driver and the verifier, on equal road should spend 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 scanning tool SUZUKI:

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

Include the ignition switch.

On the scanning tool choose a mode List of the data

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

Position 4Н or 2Н: OFF

Position 4L: INCL.

Signal OFF/INCL. how it is described above?

Without the aid of scanning tool SUZUKI:

Uncover the electronic block of management (РСМ)

Include the ignition switch

Check up pressure on contact C 51-1-26 for G16/J20 a socket of the electronic block of the management which is becoming isolated at switching of the lever of transfer to each position

Position 4Н or 2Н: 10-14 Volt

Position 4L: 0-1 Volt

Pressure such how it is specified?

Check up quality of connection on contact of the electronic block of management if in a step 2 the voltmeter is used

If connection is perfectly in order, a problem of intermittence of a chain or the faulty electronic block of management. Check up on intermittence as Interrupting or weak connection is described in the Head the General information in Section

Pass to a step 3

3

Check of the bottom switch of a full drive:

Check up work of the bottom switch of a full drive as it is described more low in subsection Check of the bottom switch of a full drive

Results of check are satisfactory?

Short circuit or chain rupture “Or/W” or “B”. If wires and sockets are perfectly in order, replace with the serviceable electronic block of management and recheck

Replace the bottom switch of a full drive

 PERFORMANCE ORDER