Continuously Variable Transaxle (Cvt): Other Suzuki Kizashi I

Functions

PART FUNCTION CHART

Shift Lock Solenoid Control

This system consists of shift lock solenoid control system and interlock control system.

The shift lock solenoid control system is so designed that the select lever can not be shifted from "P" range position unless engine switch is pressed to change the ignition mode to "ON" or "ACC" and the brake pedal is depressed.

And interlock control system is so designed that select lever cannot be shifted from "P" range position unless engine switch is pressed to change the ignition mode to "ON" or "ACC".

Shift Lock Solenoid Manual Release

Remove plug cap of select lever and push down shift lock solenoid release plate (1) inside of plug hole with a flat-end screwdriver or the like. Then, select lever can be moved from "P" range position to another range even without depressing the brake pedal. (To shift select lever from "P" range to any other position, push engine switch to change the ignition mode to "ON" or "ACC".)

Scheme 114

Monitoring Procedure

Input signal of the following are checked for open, short of circuit by monitoring input voltage.

1. Primary and secondary pressure sensor power supply circuit (P0641)
2. Transmission range sensor (P0707)
3. CVT fluid temperature sensor (P0712, P0713)
4. Primary pulley pressure sensor (P0842, P0843)
5. Secondary pressure sensor (P0847, P0848)
6. Line pressure control solenoid valve (P0962, P0963)
7. Secondary pressure control solenoid valve (P0966, P0967)
8. Sensor ground circuit (P1970)
9. TCC solenoid valve (P2763, P2764)

Enabled Conditions

ENABLED CONDITIONS CHART

Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

Input signal of the following are checked for circuit strategy rationality by monitoring each sensor, actuator and vehicle condition.

1. TCM (P062F)
2. Brake switch (P0703)
3. Transmission range sensor (P0705)
4. Transmission fluid temperature sensor (P0711)
5. Primary pulley speed sensor (P0716, P0717)
6. Secondary pulley speed sensor (P0721, P0722)
7. TCC solenoid valve (P0741)
8. Secondary pressure control solenoid valve (P0776, P0777)
9. Primary pressure sensor/secondary pressure sensor (P0871)
10. Line pressure control solenoid valve (P0961)
11. Lock-up/select switching solenoid valve (P1810)
12. Stepper motor (P1816, P1818)
13. CAN communication (U0073, U0100)

ENABLED CONDITIONS CHART

ENABLED CONDITION CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

Table P0711

TRANSMISSION FLUID TEMPERATURE RANGE REFERENCE

ENABLED CONDITIONS CHART

Table TCC On Command

ACCELERATOR PEDAL POSITION CHART

SECONDARY PULLEY SPEED REFERENCE

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

ACCELERATOR PEDAL POSITION CHART

VOLTAGE SPECIFICATION

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

ACCELERATOR PEDAL POSITION CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

Table P0871 Low

SECONDARY PRESSURE SENSOR CHART

Table P0871 High

SECONDARY PRESSURE SENSOR CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

TYPICAL MALFUNCTION THRESHOLDS CHART

ENABLED CONDITIONS CHART

Scheme 115

Scheme 116

Scheme 117

CVT System Check

DIAGNOSTIC INFORMATION CHART

Step 1. Customer Complaint Analysis

Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this purpose, use of such an inspection form as shown in the following table as an example will facilitate collecting information to the point required for proper analysis and diagnosis.

Note. The form is a standard sample. It should be modified according to characteristics of each market.

Scheme 118

Step 10. Intermittent Problems Check

In case that there is no DTC at Step 2

Check for intermittent problem. See INTERMITTENT CONNECTION AND POOR CONTACT INSPECTION .

In case that there is any DTC at Step 2

Check parts related to detected DTC (e.g., wire harness, connector, etc.). See INTERMITTENT CONNECTION AND POOR CONTACT INSPECTION .

CVT Basic Check

Perform troubleshooting referring to the following points when no DTC is detected in TCM and no abnormality is found in VISUAL INSPECTION . Follow the flow carefully.

CVT SYSTEM REFERENCE

CVT Gear Shift Table

CVT gear shift schedule is shown in the following table. Test-drive the vehicle on a flat road in the "D" position.

Note. The values are for reference only.

Shift Table

THROTTLE POSITION CHART

Lock-Up Point

VEHICLE SPEED SPECIFICATION

MIL Check

Refer to MIL CHECK .

Scheme 119

TCM

As the data values given in the following table are standard values estimated on the basis of values obtained from the normally operating vehicles by using a scan tool, use them as reference values. Even when the vehicle is in good condition, there may be cases where the checked value does not fall within each specified data range. Therefore, judgment as abnormal should not be made by checking with these data alone.

Also, condition in the following table that can be checked by the scan tool are those detected by TCM and output from TCM as commands and there may be cases where the CVT or actuator is not operating (in the condition) as indicated by the scan tool.

Note. The following scan tool data related to CVT can be checked only by communicating with TCM.

SCAN TOOL DATA REFERENCE

Vehicle Speed (km/h/mph)

This parameter indicates vehicle speed calculated by TCM based on secondary pulley speed sensor signal.

Engine Speed (rpm)

This parameter indicates engine speed information received from ECM.

Primary Pulley Speed (rpm)

This parameter indicates primary pulley speed detected by primary pulley speed sensor.

Secondary Pulley Speed (rpm)

This parameter indicates secondary pulley speed detected by secondary pulley speed sensor.

Primary Oil Pres (Primary Oil Pressure, MPa)

This parameter indicates line pressure detected by primary pressure sensor.

Secondary Oil Pres (Secondary Oil Pressure, MPa)

This parameter indicates secondary pressure detected by secondary pressure sensor.

CVTF Temperature (°C, °F)

This parameter indicates CVT fluid temperature detected by CVT fluid temperature sensor.

ECT (Engine Coolant Temperature, °C, °F)

This parameter indicates engine coolant temperature information received from ECM.

Battery Voltage (V)

This parameter indicates battery positive voltage inputted through CVT relay to TCM.

Throttle Position (%)

This parameter indicates throttle position information received from ECM.

Accel Actual Position (%)

This parameter indicates accelerator pedal opening ratio information from ECM.

Gear Actual Ratio

This parameter indicates current gear ratio calculated by TCM based on primary pulley speed and secondary pulley speed.

Lock Up Solenoid (Com) (Lock Up Solenoid Command, mA)

This parameter indicates control current value that TCM outputs to TCC solenoid valve.

Lock Up Solenoid (Mon) (Lock Up Solenoid Monitor, mA)

This parameter indicates current value that flows to TCC solenoid valve.

Line Press Solenoid (Com) (Line Pressure Solenoid Command, mA)

This parameter indicates control current value that TCM outputs to line pressure control solenoid valve.

Line Press Solenoid (Mon) (Line Pressure Solenoid Monitor, mA)

This parameter indicates current value that flows to line pressure control solenoid valve.

Secondary Solenoid (Com) (Secondary Solenoid Command, mA)

This parameter indicates control current value that TCM outputs to secondary pressure control solenoid valve.

Secondary Solenoid (Mon) (Secondary Solenoid Monitor, mA)

This parameter indicates current value that flows to secondary pressure control solenoid valve.

Manual Gear Position (deactive, 1st, 2nd, 3rd, 4th, 5th, 6th)

This parameter indicates manual mode shift position information received from BCM.

Shift Down SW (Shift Down Switch, ON/OFF)

This parameter indicates the states of shift-down switch.

Shift Up SW (Shift Up Switch, ON/OFF)

This parameter indicates the states of shift-up switch.

Manual Mode SW (Manual Mode Switch, ON/OFF)

This parameter indicates the states of manual mode switch.

Transaxle Range (P, R, N, D)

This parameter indicates the state of each range switch in transmission range sensor.

ABS Active (ON/OFF)

This parameter indicates ABS status.

A/C Comp Clutch (A/C Compressor Clutch, ON/OFF)

This parameter indicates air conditioner compressor clutch information received from ECM.

ON: A/C compressor clutch engaged.

OFF: A/C compressor clutch disengaged.

Brake Switch (ON/OFF)

This parameter indicates brake light switch information received from ECM.

ON: Brake light switch is ON. (Brake pedal depressed)

OFF: Brake light switch is OFF. (Brake pedal released)

Paddle Up SW (Paddle Up Switch, ON/OFF)

This parameter indicates the states of paddle-up switch "+".

Paddle Down SW (Paddle Down Switch, ON/OFF)

This parameter indicates the states of paddle-down switch "-".

Switching Solenoid (Mon) (Switching Solenoid Monitor, ON/OFF)

This parameter indicates the state of lock-up/select switching solenoid valve.

Switching Solenoid (Com) (Switching Solenoid Command, ON/OFF)

This parameter indicates the output state of TCM to lock-up/select switching solenoid valve.

MIL Does Not Come ON with Ignition Mode of Keyless Push Start System in "ON" and Engine Stopped (but Engine Can Be Started)

Refer to MIL DOES NOT COME ON WITH IGNITION MODE OF KEYLESS PUSH START SYSTEM IN "ON" AND ENGINE STOPPED (BUT ENGINE CAN BE STARTED) .

MIL Remains ON after Engine Starts

Refer to MIL REMAINS ON AFTER ENGINE STARTS .

Connector "E19"

VOLTAGE SPECIFICATION

Connector "E20"

VOLTAGE SPECIFICATION

Oscilloscope Display

Shown below is typical waveform display provided by oscilloscope.

Note. Display includes the following types of data: Waveforms may vary with measurement conditions and vehicle specifications.

CAN Communication Signal

CAN communication signal (High) (1)

TERMINAL REFERENCE

CAN communication signal (Low) (2)

TERMINAL REFERENCE CHART

Measurement condition

Scheme 120

1. Engine: Stop
2. Ignition mode: ON

TCC Solenoid Valve Signal

TCC solenoid valve signal (1)

TCC SOLENOID VALVE SIGNAL CHART

Measurement condition

Scheme 121

Scheme 122

1. Vehicle: Running
2. CVT: Lock-up on after warming up
3. Vehicle: Running
4. CVT: Lock-up off after warming up

Secondary Pressure Control Solenoid Valve Signal

Secondary pressure control solenoid valve signal (1)

TERMINAL REFERENCE

Measurement condition

Scheme 123

Scheme 124

1. Engine: Running after warming up
2. Select lever position: "D" range
3. Accelerator pedal: Depressed fully
4. Engine: Idle speed
5. Select lever position: "D" range
6. Accelerator pedal: Released

Line Pressure Control Solenoid Valve Signal

Line pressure control valve signal (1)

TERMINAL REFERENCE

Measurement condition

Scheme 125

Scheme 126

1. Engine: Running after warming up
2. Select lever position: "D" range
3. Accelerator pedal: Depressed fully
4. Engine: Idle speed
5. Select lever position: "D" range
6. Accelerator pedal: Released

Stepper Motor Signal

Stepper motor No. 1 signal (1)

TERMINAL REFERENCE

Stepper motor No. 2 signal (2)

TERMINAL REFERENCE

Stepper motor No. 3 signal (1)

TERMINAL REFERENCE

Stepper motor No. 4 signal (2)

TERMINAL REFERENCE

Measurement condition

Scheme 127

1. Engine switch: For 10 sec. from ignition mode to "ON"

Secondary Pulley Speed Sensor Signal

Secondary pulley speed sensor signal (1)

TERMINAL REFERENCE

Measurement condition

Scheme 128

1. Vehicle: Drive vehicle at 20 km/h (12 mile/h)
2. CVT: After warming up

Primary Pulley Speed Sensor Signal

Primary pulley speed sensor signal (1)

TERMINAL REFERENCE

Measurement condition

Scheme 129

1. Vehicle: Drive vehicle at 20 km/h (12 mile/h)
2. CVT: After warming up

Scheme 130

TCM Initialization and Learning Control

In this operation, perform INITIALIZATION PROCEDURE before performing learning control procedure.

Note. When replacing TCM with new one and CVT assembly or TCM with new one and valve body assembly at the same time, be sure to follow the procedure below. When having replaced TCM and CVT assembly or TCM and valve body assembly at the same time according to the procedure other than the below, perform initialization procedure [B]. Replace CVT assembly or valve body assembly. (Do not change ignition mode to "ON".) Replace TCM. (Do not change ignition mode to "ON".) Perform initialization procedure [A].

Scheme 131

1. Select initialization procedure from table below. SERVICE ITEM REFERENCE Initialization procedure Service item [A] When replace TCM with new one [B] When Replacing TCM with used one When Replacing CVT assembly When replacing valve body assembly
2. Perform selected «INITIALIZATION PROCEDURE»(ref-585587-S06760779682013111200000) as follows. Initialization procedure [A]: Push engine switch to change ignition mode to "ON" and shift select lever to "P" range. Check that the shift position indicated in information display comes on in approx. 2 sec. after engine switch is pressed to change ignition mode to "ON". If the shift position does not come on, check the following items: Check for open or shorted to ground in wiring harness between TCM and ROM in CVT assembly, see «INSPECTION OF TCM AND ITS CIRCUITS»(ref-585587-S21206615442013111200000) . Check for proper terminal connection to TCM connector and solenoid connector. Initialization procedure [B]: Confirm that ignition mode of keyless push start system is "OFF" and connect SUZUKI scan tool to DLC (1). Special Tool SUZUKI scan tool (SUZUKI-SDT) Push engine switch to change ignition mode to "ON". Select "Learning Value Initialization" function under "Utility" mode on SUZUKI scan tool, and follow the instructions displayed on SUZUKI scan tool. Push engine switch to change ignition mode to "OFF" and leave ignition mode in "OFF" for 10 sec. Shift select lever to "P" range. Check that the shift position indicated in information display comes on in approx. 2 sec. after engine switch is pressed to change ignition mode to "ON". If the shift position does not come on, check the following items: Check wiring harness between TCM and ROM in valve body assembly for open circuit or short circuit to ground, See «INSPECTION OF TCM AND ITS CIRCUITS»(ref-585587-S21206615442013111200000) . Check for proper terminal connection to TCM connector and solenoid connector.

Learning Control Procedure

Note. To perform the learning function normally, follow instructions below: When operating the select lever, hold it for more than 2 sec. in each position. Do not shift the select lever from "N" position to other positions until specified idle engine speed is obtained.

Cold condition

1. Select "Data List" mode on SUZUKI scan tool.
2. Cool down CVT fluid to ambient temperature.
3. Start engine.
4. Depress brake pedal fully and repeat shift operation from "N" range to "D" range, and from "N" range to "R" range 3 times for each gear shift. If excessive shift shock is observed, repeat this operation 10 times.
5. Depress brake pedal fully at idle speed and hold in "D" range for 20 sec.
6. Drive vehicle so that CVT fluid temperature reaches 40 °C (104 °F)
7. Drive vehicle at 40 - 50 km/h (25 - 31 mile/h) constantly for 5 sec. in "D" range.

Hot condition

1. Drive vehicle so that CVT fluid temperature reaches 80 °C (176 °F)
2. Depress brake pedal fully and repeat shift operation from "N" position to "D" position and from "N" position to "R" position 3 times each. If excessive shift shock is observed, repeat this operation 10 times.
3. Depress brake pedal fully at idle speed and hold in "D" position for 20 sec.
4. Drive vehicle at 40 - 50 km/h (25 - 31 mile/h) constantly for 5 sec. in "D" position.

Recommended Service Material

SPECIAL TOOLS REFERENCE

Note. Required service material is also described in: SELECT CABLE COMPONENTS CVT ASSEMBLY COMPONENTS