Precautions in Diagnosing Troubles
To ensure that the trouble diagnosis is done accurately and smoothly, observe the following and follow ELECTRONIC STABILITY PROGRAM CHECK .
Scheme 10
- Diagnostic information stored in ESP® control module memory can be cleared as well as checked by using SUZUKI scan tool. Before using scan tool, read its Operator's (Instruction) Manual carefully to have good understanding as to what functions are available and how to use it.
- If the vehicles was operated in any of the following ways, ESP® warning light may light momentarily but this does not indicate anything abnormal in ESP®. The vehicle was driven with parking brake pulled. The vehicle was driven with brake dragging. The vehicle was stuck in mud, sand, etc. Wheel spin occurred while driving. Wheel(s) was rotated while the vehicle was jacked up.
- Be sure to use the trouble diagnosis procedure as described in «ELECTRONIC STABILITY PROGRAM CHECK»(ref-514554-S33522977992012112100000) . Failure to follow it may result in incorrect diagnosis. (Some other diagnosis trouble code may be stored by mistake in the memory of ESP® control module during inspection.)
- When disconnecting ESP® control module connector (1), pull up the lock lever (2) of connector. When connecting, set the connector on ESP® hydraulic unit/control module assembly and pull down the lock lever (2) until it locks.
- Communication of ECM, TCM (CVT model), BCM, ESP® control module, keyless start control module, steering angle sensor, combination meter, yaw rate/G sensor, 4WD control module and DLC is established by CAN (Controller Area Network). Therefore, be sure to read «PRECAUTIONS FOR INSTALLING MOBILE COMMUNICATION EQUIPMENT»(ref-514549-S33485210832012112100000) before inspection and handling CAN communication line. For CAN communication system, refer to description on «CAN COMMUNICATION SYSTEM DESCRIPTION»(ref-514554-S16613615172012112100000) .
Precautions in Speedometer Test or Other Tests
When performing speedometer or other tests using speedometer tester or chassis dynamometer, ESP® function must be deactivated by ESP® OFF switch or using SUZUKI scan tool to complete the tests correctly. When using SUZUKI scan tool, set to the "Sensor Calibration" under "Utility" mode to stop the ESP® function. Refer to SUZUKI scan tool operators manual for further details.
Note. Even if ESP® is controlled not to work by pushing ESP® OFF switch or using SUZUKI scan tool, ESP® is reactivated when ignition switch is turned ON after ignition switch is turned OFF.
ESP® is an auxiliary function to enable the vehicle to avoid a danger safely while the vehicle is running, stopping or turning.
ESP® consists of following functions.
Note. ESP® is registered trademark of Daimler AG.
Problem symptom confirmation
If symptom in "Customer Questionnaire" is found or reproduced in the vehicle, confirm the symptom is problem or not. (This step should be done with the customer if possible.) Check warning lights related to brake system referring to EBD WARNING LIGHT (BRAKE WARNING LIGHT) CHECK , ABS WARNING LIGHT CHECK and ESP® WARNING LIGHT CHECK .
DTC check, record and clearance
Perform DTC CHECK procedure, record it and then clear it referring to DTC CLEARANCE .
Recheck DTC referring to DTC CHECK .
When DTC which is recorded at DTC check procedure is detected again after performing DTC clearance, go to Step 4: ESP® Check to proceed the diagnosis.
When DTC which is recorded at DTC check procedure is not indicated anymore after performing DTC clearance, ESP® control module does not perform the system diagnosis, or temporary abnormality may occur, therefore go to STEP 2: DRIVING TEST to proceed the diagnosis.
Step 2: Driving Test
Test the vehicle at 40 km/h (25 mile/h) for more than a minute including left and right turns and check if any trouble symptom (such as ESP® warning light and/or ABS warning light) exists.
If the malfunction DTC is confirmed at ignition switch ON, proceed to STEP 3 .
If the malfunction DTC is not confirmed at ignition switch ON, proceed to STEP 6 .
Step 3: DTC Check
Recheck DTC referring to DTC CHECK .
Step 5: Brakes Diagnosis
Check the parts or system suspected as a possible cause referring to BRAKES SYMPTOM DIAGNOSIS and based on symptoms appearing on the vehicle (symptom obtained through STEPS 1: MALFUNCTION ANALYSIS and STEP 2: DRIVING TEST and repair or replace faulty parts, if any).
Step 7: Final Confirmation Test
Confirm that the problem symptom has gone and the ESP® is free from any abnormal conditions. If what has been repaired is related to the malfunction DTC, clear the DTC once referring to DTC CLEARANCE and perform test driving and confirm that no DTC is indicated.
Visual Inspection
Check the following parts and systems visually.
| Inspection Item | Referring information | |
|---|---|---|
| Battery | Level, leakage | BATTERY INSPECTION |
| Connectors of electric wire harness | Disconnection, friction | INTERMITTENT AND POOR CONNECTION INSPECTION |
| Fuses | Blown fuse | |
| Brake fluid | Level, leakage | Master Cylinder and Brake Fluid Level Inspection |
| Other parts that can be checked visually | ||
INSPECTION REFERENCE CHART
Scheme 11
- Turn ignition switch ON.
- Check that ESP® warning light (1) comes ON for about 2 seconds and then goes off. If any faulty condition is found, advance to «ESP® WARNING LIGHT DOES NOT COME ON AT IGNITION SWITCH ON»(ref-514554-S31998198882012112100000) or «ESP® WARNING LIGHT COMES ON STEADY»(ref-514554-S40897789152012112100000) .
DTC Table
| CAUTION | Be sure to perform ELECTRONIC STABILITY PROGRAM CHECK before starting diagnosis. |
| DTC (displayed on SUZUKI scan tool) | Diagnostic items | Detecting condition (DTC will be set when detecting) | ABS warning light | EBD warning light | ESP® warning light |
|---|---|---|---|---|---|
| C1016 | Brake light switch circuit failure | Brake light switch signal voltage becomes wrong value for specified time. Master cylinder pressure value and brake light switch signal is disagreed for specified time. | O | O | |
| C1017 | Lateral G sensor in yaw rate/G sensor assembly circuit failure | Lateral G sensor signal is out of specified range. Vehicle behavior and lateral G sensor signal is disagreed. | O | ||
| C1020 | Master cylinder pressure sensor power supply circuit failure | Power supply voltage to master cylinder pressure sensor is too high or low in ESP® hydraulic unit/control module assembly. | O | O | |
| C1021 | Right-front wheel speed sensor circuit failure | Wheel speed sensor circuit is opened, shorted to power, ground and/or each other circuit. | O | (1) | O |
| C1022 | Right-front wheel speed sensor circuit range/performance | Wheel speed is different from other wheel speed (vehicle speed) for more than specified time. Abnormal wheel speed sensor signal is detected for more than specified time. | O | (1) | O |
| C1023 | Yaw rate sensor in yaw rate/G sensor circuit assembly failure | Yaw rate sensor signal is out of range. Vehicle behavior and yaw rate signal is disagreed. | O | ||
| C1024 | Steering angle sensor circuit failure | Steering angle sensor internal defect is detected. Steering angle sensor signal is out of specified range. Vehicle behavior and steering angle sensor signal is disagreed. | O | ||
| C1025 | Left-front wheel speed sensor circuit failure | Wheel speed sensor circuit is opened, shorted to power, ground and/or each other circuit. | O | (1) | O |
| C1026 | Left-front wheel speed sensor circuit range/performance | Wheel speed is different from other wheel speed (vehicle speed) for more than specified time. Abnormal wheel speed sensor signal is detected for more than specified time. | O | (1) | O |
| C1027 | ESP® OFF switch circuit failure | ESP® OFF switch keeps ON for specified time. ESP® OFF switch circuit is shorted to ground. | |||
| C1028 | Master cylinder pressure sensor circuit failure | Master cylinder pressure sensor circuit is opened, shorted to power or ground circuit in ESP® control module. Master cylinder pressure sensor signal is out of specified range in ESP® control module. | O | O | |
| C1031 | Right-rear wheel speed sensor circuit failure | Wheel speed sensor circuit is opened, shorted to power, ground and/or each other circuit. | O | (1) | O |
| C1032 | Right-rear wheel speed sensor circuit range/performance | Wheel speed is different from other wheel speed (vehicle speed) for more than specified time. Abnormal wheel speed sensor signal is detected for more than specified time. | O | (1) | O |
| C1033 | Wheel speed sensor deviation | Two or more wheel speed sensor signals seem to be effected by temporary failure suspicion at the same time. | O | (1) | O |
| Two wheels or more are controlled by ABS for more than specified time. | O | O | O | ||
| C1034 | Yaw rate/G sensor assembly power supply failure | Power supply voltage to yaw rate/G sensor is too high or low. | O | ||
| C1035 | Left-rear wheel speed sensor circuit failure | Wheel speed sensor circuit is opened, shorted to power, ground and/or each other circuit. | O | (1) | O |
| C1036 | Left-rear wheel speed sensor circuit range/performance | Wheel speed is different from other wheel speed (vehicle speed) for more than specified time. Abnormal wheel speed sensor signal is detected for more than specified time. | O | (1) | O |
| C1037 | Steering angle sensor power supply circuit failure | Power supply voltage to steering angle sensor is too low. | |||
| C1038 | Steering angle sensor detect rolling counter failure | ESP® control module rolling counter failure is detected by steering angle sensor. | O | ||
| C1039 | Yaw rate/G sensor assembly internal failure | Yaw rate/G sensor internal failure is detected. Abnormal signal from yaw rate/G sensor is detected. | O | ||
| C1040 | ESP® function failure | ESP® control is active for more than specified time. ESP® control module requested pressure reduction or keeping all wheel speed sensor for more than specified time. | O | O | |
| C1041 | Right-front inlet solenoid valve circuit failure | Solenoid valve circuit is opened, shorted to power, ground and/or each valve in ESP® hydraulic unit/control module assembly. Mismatching solenoid output and solenoid monitor is detected. | O | O | O |
| C1042 | Right-front outlet solenoid valve circuit failure | O | O | O | |
| C1043 | Master cylinder cut solenoid valve circuit No. 1 failure | O | O | O | |
| C1044 | Master cylinder cut solenoid valve circuit No. 2 failure | O | O | O | |
| C1045 | Left-front inlet solenoid valve circuit failure | Solenoid valve circuit is opened, shorted to power, ground and/or each valve in ESP® hydraulic unit/control module assembly. Mismatching solenoid output and solenoid monitor is detected. | O | O | O |
| C1046 | Left-front outlet solenoid valve circuit failure | O | O | O | |
| C1051 | Right-rear inlet solenoid valve circuit failure | O | O | O | |
| C1052 | Right-rear outlet solenoid valve circuit failure | O | O | O | |
| C1053 | Suction solenoid valve circuit No. 1 failure | Solenoid valve circuit is opened, shorted to power, ground and/or each valve in ESP® hydraulic unit/control module assembly. Mismatching solenoid output and solenoid monitor is detected. | O | O | O |
| C1054 | Suction solenoid valve circuit No. 2 failure | O | O | O | |
| C1055 | Left-rear inlet solenoid valve circuit failure | O | O | O | |
| C1056 | Left-rear outlet solenoid valve circuit failure | O | O | O | |
| C1057 | Power supply circuit failure | ESP® control module power supply voltage is upper than 16.8 V. | O | O | O |
| ESP® control module power supply voltage becomes 7.6 - 9.6 V. | O | O | |||
| ESP® control module power supply voltage is lower than 7.6 V. | O | O | O | ||
| C1061 | Pump motor and/or motor driver circuit failure | Defective pump motor and/or motor power supply voltage is too low. Pump motor circuit in ESP® control module is opened, shorted to power or ground circuit. | O | O | O |
| C1063 | Solenoid valve power supply driver circuit failure | Solenoid valve power supply driver circuit is opened, shorted to ground circuit in ESP® control module. Solenoid valve power supply voltage is too low. Solenoid valve power supply driver is stuck to OFF position. Output circuit from control unit is shorted in ESP® control module. Mismatching solenoid output and solenoid monitor is detected. | O | O | O |
| Solenoid valve power supply driver circuit is shorted to power circuit in ESP® control module. Solenoid valve power supply driver is stuck to ON position. Output circuit from control unit is opened in ESP® control module. | O | O | |||
| C1071 | ESP® control module internal defect | ESP® control module internal defect is detected. | (2) | (2) | (2) |
| C1075 | Steering angle sensor calibration incomplete (3) | Missing steering angle sensor calibration point data is detected. | |||
| C1091 | CAN invalid data from ECM | ECM sent invalid signal to ESP® control module. | O | ||
| C1094 | Torque request reject status | ECM sent invalid signal of torque control to ESP® control module. | O | ||
| C1096 | Yaw rate/G sensor assembly message counter error | Yaw rate/G sensor assembly message counter error is detected by ESP® control module. | O | ||
| U0073 | Control module communication bus OFF | Communication is not available with all control modules connected by CAN. CAN communication line is shorted to power, ground and/or each other circuit. | O | ||
| U0100 | Lost communication with ECM | ECM message data is missing from CAN communication. | O | ||
| U0101 | Lost communication with TCM | TCM message data is missing from CAN communication. | O | ||
| U0114 | Lost communication with 4WD control module | 4WD control module message data is missing from CAN communication. | O | ||
| U0123 | Lost communication with yaw rate sensor module | Yaw rate/G sensor assembly message data is missing from CAN communication. | O | ||
| U0126 | Lost communication with steering angle sensor module | Steering angle sensor message data is missing from CAN communication. | O | ||
| "O" in ABS warning light, EBD warning light and ESP® warning light column of the above table means warning light is lit when DTC is detected. | |||||
| NOTE: (1) If three or more wheel speed sensor are defective, EBD warning light are lit. (2) It is irregular whether warning lights can be lit by ESP® control module. (3) SLIP indicator light flashes continuously at intervals of 1 Hz. | |||||
| NOTE |
|---|
| (1) If three or more wheel speed sensor are defective, EBD warning light are lit. (2) It is irregular whether warning lights can be lit by ESP® control module. (3) SLIP indicator light flashes continuously at intervals of 1 Hz. |
| (1) | If three or more wheel speed sensor are defective, EBD warning light are lit. |
| (2) | It is irregular whether warning lights can be lit by ESP® control module. |
| (3) | SLIP indicator light flashes continuously at intervals of 1 Hz. |
DTC TABLE
DTC Clearance
| WARNING | If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur. Select a level road with no traffic to minimize the risk of accident. Perform the test extremely carefully. Perform the road test using 2 persons, a driver and an assistant. |
- Connect SUZUKI scan tool to DLC in the same manner as when making this connection for DTC check.
- Turn ignition switch to ON position.
- Erase DTC according to instructions displayed on scan tool. Refer to SUZUKI scan tool operators manual for further details.
- After completing the clearance, turn ignition switch OFF and disconnect SUZUKI scan tool from DLC.
- Perform " «DRIVING TEST»(ref-514554-S33755401692012112100000) " (Step 2 of «ELECTRONIC STABILITY PROGRAM CHECK»(ref-514554-S33522977992012112100000) ) and DTC Check and confirm that NO DTC is displayed on SUZUKI scan tool.
Fail-Safe Table
When any of the following DTC(s) is detected, ESP® system is in fail-safe mode per its DTC and ABS, EBD, traction control, stability control are deactivated until the resolution is applied.
| DTC No. | Fail-safe operation | Fail-safe condition resolutive | ||
|---|---|---|---|---|
| ABS | EBD | Traction control/stability control | ||
| C1016 | O | |||
| C1017 | O | O | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | |
| C1020 | O | |||
| C1021 | (1) | |||
| C1022 | (1) | When ESP® control module detects the system as normal. And estimated vehicle speed exceeds 14 km/h (9 mile/h), after ignition switch turned OFF to ON. | ||
| C1023 | O | O | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | |
| C1024 | O | O | ||
| C1025 | (1) | |||
| C1026 | (1) | When ESP® control module detects the system as normal. And estimated vehicle speed exceeds 14 km/h (9 mile/h), after ignition switch turned OFF to ON. | ||
| C1027 (2) | O | O | O | |
| C1028 | O | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | ||
| C1031 | (1) | |||
| C1032 | (1) | When ESP® control module detects the system as normal. And estimated vehicle speed exceeds 14 km/h (9 mile/h), after ignition switch turned OFF to ON. | ||
| C1033 | (1) | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | ||
| C1034 | O | O | When ESP® control module detects the system as normal. | |
| C1035 | (1) | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | ||
| C1036 | (1) | When ESP® control module detects the system as normal. And estimated vehicle speed exceeds 14 km/h (9 mile/h), after ignition switch turned OFF to ON. | ||
| C1037 | O | O | O | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. |
| C1038 | O | O | ||
| C1039 | O | O | ||
| C1040 (3) | O | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. (ESP® control failure) When ESP® control module detects the system as normal. (ABS control failure) | ||
| C1041 | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | |||
| C1042 | ||||
| C1043 | ||||
| C1044 | ||||
| C1045 | ||||
| C1046 | ||||
| C1051 | ||||
| C1052 | ||||
| C1053 | ||||
| C1054 | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | |||
| C1055 | ||||
| C1056 | ||||
| C1057 | (4) | When ESP® control module detects the system as normal. | ||
| C1061 | O | When ESP® control module detects the system as normal. And estimated vehicle speed exceeds 14 km/h (9 mile/h), after ignition switch turned OFF to ON. | ||
| C1063 | (5) | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | ||
| C1071 | ||||
| C1075 | O | O | Steering angle sensor calibration completed. | |
| C1091 | O | O | When ESP® control module detects the system as normal, after ignition switch turned OFF to ON. | |
| C1094 | O | O | ||
| C1096 | O | O | ||
| U0073 | O | O | ||
| U0100 | O | O | ||
| U0101 | O | O | ||
| U0114 | O | O | ||
| U0123 | O | O | ||
| U0126 | O | O | ||
| O: Activated -: Deactivated | ||||
| NOTE: (1) If one or two wheel speed sensor is defective, EBD control function is activated. If three or more wheel speed sensor are defective, EBD control function is deactivated. (2) ESP® OFF mode is cancelled and all control functions are activated. (3) If the control module requests pressure-decrease or pressure-hold for specified time or longer for all wheels, the state is judged failure, and the emergency brake is applied. The state returns to be normal after stop of the vehicle, if any other failures are not found. (4) EBD control function is activated only power supply circuit becomes 7.6 - 9.6 V malfunction. (5) EBD control function is activated only solenoid valve power supply driver circuit is shorted to power circuit and/or output circuit from control unit is opened malfunction. | ||||
| NOTE |
|---|
| (1) If one or two wheel speed sensor is defective, EBD control function is activated. If three or more wheel speed sensor are defective, EBD control function is deactivated. (2) ESP® OFF mode is cancelled and all control functions are activated. (3) If the control module requests pressure-decrease or pressure-hold for specified time or longer for all wheels, the state is judged failure, and the emergency brake is applied. The state returns to be normal after stop of the vehicle, if any other failures are not found. (4) EBD control function is activated only power supply circuit becomes 7.6 - 9.6 V malfunction. (5) EBD control function is activated only solenoid valve power supply driver circuit is shorted to power circuit and/or output circuit from control unit is opened malfunction. |
| (1) | If one or two wheel speed sensor is defective, EBD control function is activated. If three or more wheel speed sensor are defective, EBD control function is deactivated. |
| (2) | ESP® OFF mode is cancelled and all control functions are activated. |
| (3) | If the control module requests pressure-decrease or pressure-hold for specified time or longer for all wheels, the state is judged failure, and the emergency brake is applied. The state returns to be normal after stop of the vehicle, if any other failures are not found. |
| (4) | EBD control function is activated only power supply circuit becomes 7.6 - 9.6 V malfunction. |
| (5) | EBD control function is activated only solenoid valve power supply driver circuit is shorted to power circuit and/or output circuit from control unit is opened malfunction. |
FAIL-SAFE TABLE
Circuit Description
Operation (ON/OFF) of ESP® warning light is controlled by ESP® control module through light driver module in combination meter.
If ESP® system is in good condition, ESP® control module turns ESP® warning light ON at the ignition switch ON, keeps it ON for 2 seconds and then turns it OFF. If an abnormality in the system is detected, ESP® warning light is turned ON continuously by ESP® control module. Also, it is turned ON continuously by light driver module when the connector of ESP® control module is disconnected.
Troubleshooting
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Warning light check Turn ignition switch to ON position. Do other warning lights come ON? | Substitute a known-good combination meter and recheck. If warning light remains OFF, substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Go to Step 2. |
| 2 | Fuse check Is circuit fuse for combination meter in good condition? | Go to Step 3. | Replace fuse and check for short circuit to ground. |
| 3 | Combination meter power supply circuit check Remove combination meter with ignition switch turned OFF. Check for proper connection to "G241-1" and "G241-2" and "G241-15" wires of combination meter connector. If OK then turn ON ignition switch and measure voltage at "G241-1" wire of combination meter connector and vehicle body ground. Is it 10 - 14 V? | Go to Step 4. | Repair power supply circuit for combination meter. |
| 4 | Combination meter ground circuit check Measure resistance between "G241-2" and "G241-15" wires of combination meter connector and vehicle body ground. Is resistance less than 2 ohms? | Substitute a known-good combination meter and recheck. | "BLK" circuit open or high resistance. |
ESP® WARNING LIGHT SYMPTOM TROUBLESHOOTING REFERENCE CHART
Refer to " CIRCUIT DESCRIPTION " under ESP® WARNING LIGHT DOES NOT COME ON AT IGNITION SWITCH ON .
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | DTC check Perform diagnostic trouble code check. Is there any DTC(s)? | Go to ELECTRONIC STABILITY PROGRAM CHECK . | Go to Step 2. |
| 2 | ESP® hydraulic unit/control module assembly power supply and ground circuit check Check that ESP® hydraulic unit/control module assembly power supply circuit and ground circuit is in good condition referring to ESP® HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT CHECK . Are check results OK? | Go to Step 3. | Repair ESP® hydraulic unit/control module assembly power supply or ground circuit. |
| 3 | CAN communication line circuit check Turn ignition switch to OFF position. Disconnect connectors of all control modules communicating by means of CAN. Check for proper connection to CAN communication line wire. If OK then check CAN communication line circuit between control modules for open, short and high resistance. Is each CAN communication line circuit in good condition? | Substitute a known-good combination meter and recheck. If warning light remains ON, substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Repair circuit and recheck. |
ESP® WARNING LIGHT SYMPTOM TROUBLESHOOTING REFERENCE CHART
DTC Detecting Condition and Trouble Area
| DTC Detecting Condition | Trouble Area |
|---|---|
| Master cylinder pressure behavior and brake light switch signal is disagreed for specified time. Brake light switch signal voltage becomes 4.8 - 8.0 V for specified time. | Brake light circuit Brake light switch ESP® control module |
C1016: SYMPTOM DIAGNOSIS REFERENCE CHART
DTC Troubleshooting
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check brake light switch circuit Check brake light, brake light (brake pedal) switch and their circuit referring to BRAKE LIGHT SYMPTOM DIAGNOSIS . Are they in good condition? | Go to Step 3. | Repair or replace. |
| 3 | Check brake light switch circuit Disconnect connectors from ECM and ESP® control module. Remove shift lock relay. (CVT model) Remove all of brake light bulb. Check for proper connection to "E01-6" wire of ECM connector. If connections are OK, check brake light switch circuit for the following. Resistance of "GRN/WHT" wire terminal of brake light switch connector and ECM connector is less than 1 ohms (continuity check) Resistance between "GRN/WHT" wire terminal of brake light switch connector and vehicle body ground is infinity (ground short check) Voltage of between "GRN/WHT" wire terminal of brake light switch connector and vehicle body ground is 0 V with ignition switch tuned ON (power short check) Are they in good condition? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. If DTC C1016 is still detected, substitute a known-good ECM and/or check shift lock relay (CVT model). | Repair or replace defective wire. |
C1016: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| C1017: Lateral G sensor signal is out of specified range. Vehicle behavior and lateral G sensor signal is disagreed. C1023: Yaw rate sensor signal is out of range. Vehicle behavior and yaw rate signal is disagreed. | Yaw rate/G sensor assembly ESP® control module |
C1017/C1023: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | DTC check for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ESP®. Are DTC U0073 and/or U0123 detected? | Go to applicable DTC troubleshooting. | Go to Step 3. |
| 3 | Check yaw rate/G sensor Check yaw rate/G sensor referring to YAW RATE/G SENSOR ON-VEHICLE INSPECTION . Is it good condition? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Substitute a known-good yaw rate/G sensor and recheck. |
C1017/C1023: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| DTC C1020: Power supply voltage to master cylinder pressure sensor is too high or low in ESP® hydraulic unit/control module assembly. DTC C1028: Master cylinder pressure sensor circuit is opened, shorted to power or ground circuit in ESP® control module. Master cylinder pressure sensor signal is out of specified range in ESP® control module. | ESP® control module |
C1020/C1028: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check ESP® hydraulic unit/control module assembly power and ground circuit Check that ESP® hydraulic unit/control module assembly power supply circuit and ground circuit is in good condition referring to ESP® HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT CHECK . Are check results OK? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Repair ESP® hydraulic unit/control module assembly power or ground circuit. |
C1020/C1028: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 12
| DTC Detecting Condition | Trouble Area |
|---|---|
| C1021, C1025, C1031, C1035: Wheel speed sensor circuit is opened, shorted to power, ground and/or each other circuit. C1022, C1026, C1032, C1036: Wheel speed is different from other wheel speed (vehicle speed) for more than specified time. Abnormal wheel speed sensor signal is detected for more than specified time. | Wheel speed sensor Wheel speed sensor circuit Wheel speed sensor encoder ESP® control module |
C1021/C1022/C1025/C1026/C1031/C1032/C1035/C1036: SYMPTOM DIAGNOSIS REFERENCE CHART
Note. When the vehicle was operated in any of the following ways, one of these DTCs may be set even when the sensor is in good condition. If such possibility is suspected, clear DTC once referring to DTC CLEARANCE and after performing the driving test as described in Step 2 of Electronic Stability Program Check , check whether or not any abnormality exists. The vehicle was driven with parking brake pulled. Wheel spin occurred while driving. Wheel(s) was turned while the vehicle was jacked up. The vehicle was stuck.
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check tire condition Check that tire pressure is specifications. Are they in good condition? | Go to Step 3. | Replace tire or adjust tire pressure and recheck. |
| 3 | Wheel speed sensor circuit check Disconnect ESP® hydraulic unit/control module connector and applicable wheel speed sensor connector with ignition switch turned OFF. Check for proper connection to ESP® hydraulic unit/control module connector at applicable terminals and terminals of applicable wheel speed sensor. If OK then check applicable wheel speed sensor circuit for open, short and high resistance. Is each applicable wheel speed sensor circuit in good condition? | Go to Step 4. | Repair circuit and recheck. |
| 4 | Wheel speed sensor check Inspection applicable wheel speed sensor referring to FRONT/REAR WHEEL SPEED SENSOR INSPECTION . Is it in good condition? | Go to Step 5. | Clean or replace. |
| 5 | Wheel speed sensor encoder check Inspection applicable wheel speed sensor encoder referring to FRONT WHEEL SPEED SENSOR ENCODER ON-VEHICLE INSPECTION and/or REAR WHEEL SPEED SENSOR ENCODER ON-VEHICLE INSPECTION . Is it in good condition? | Go to Step 6. | Clean or replace wheel hub assembly. |
| 6 | Wheel speed sensor signal check Inspection applicable wheel speed sensor referring to FRONT/REAR WHEEL SPEED SENSOR ON-VEHICLE INSPECTION . Is it in good condition? | Substitute a known-good wheel hub assembly and recheck. If DTC detected, substitute a known-good ESP® hydraulic unit/control module and recheck. | Replace wheel speed sensor and recheck. |
C1021/C1022/C1025/C1026/C1031/C1032/C1035/C1036: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| Steering angle sensor internal defect is detected. Steering angle sensor signal is out of specified range. Vehicle behavior and steering angle sensor signal is disagreed. | CAN communication circuit Steering angle sensor ESP® control module |
C1024: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | DTC check for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ESP®. Are DTC U0073 and/or U0126 detected? | Go to applicable DTC troubleshooting. | Go to Step 3. |
| 3 | Check steering angle sensor Check steering angle sensor referring to STEERING ANGLE SENSOR ON-VEHICLE INSPECTION . Is it good condition? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Substitute a known-good steering angle sensor and recheck. |
C1024: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 13
| DTC Detecting Condition | Trouble Area |
|---|---|
| ESP® OFF switch keeps ON for specified time. ESP® OFF switch circuit is shorted to ground. | ESP® OFF switch ESP® OFF switch circuit ESP® control module |
C1027: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check ESP® OFF switch Turn ignition switch to OFF position. Remove ESP® OFF switch referring to ESP® OFF SWITCH REMOVAL AND INSTALLATION . Check for proper connection at each terminal of ESP® OFF switch. If OK, then check ESP® OFF switch referring to ESP® OFF SWITCH INSPECTION . Is it good condition? | Go to Step 3. | Replace ESP® OFF switch. |
| 3 | Check ESP® OFF switch circuit Disconnect ESP® control module connector. Check for proper connection to ESP® control module connector at "E08-30" terminal. If OK, then check resistance between connector terminal "E08-30" and vehicle body ground. Is resistance infinity? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | "GRN/YEL" wire circuit is shorted to ground. |
C1027: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| Two or more wheel speed sensor signals seem to be effected by temporary failure suspicion at the same time. Two wheels or more are controlled by ABS for more than specified time. | Wheel speed sensor Wheel speed sensor circuit Wheel speed sensor encoder ESP® control module Tire (flat tire) |
C1033: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check DTC for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ESP®. Is DTC C1021, C1022, C1025, C1026, C1031, C1032, C1035 and/or C1036 detected together? | Go to DTC C1021/C1022/C1025/C1026/C1031/C1032/C1035/C1036: WHEEL SPEED SENSOR CIRCUIT FAILURE/RANGE/PERFORMANCE and recheck. | Go to Step 3. |
| 3 | Check tire condition Check that tire pressure is specifications. Are they in good condition? | Go to Step 3. | Replace tire or adjust tire pressure and recheck. |
| 4 | Wheel speed sensor circuit check Disconnect ESP® hydraulic unit/control module connector and all wheel speed sensor connectors with ignition switch turned OFF. Check for proper connection to ESP® hydraulic unit/control module connector and terminals of wheel speed sensor. If OK then check all wheel speed sensors circuit for open, short and high resistance. Are wheel speed sensor circuits in good condition? | Go to Step 5. | Repair circuit and recheck. |
| 5 | Wheel speed sensor check Inspection all wheel speed sensors referring to FRONT/REAR WHEEL SPEED SENSOR INSPECTION . Are they in good condition? | Go to Step 6. | Clean or replace. |
| 6 | Wheel speed sensor encoder check Inspection all wheel speed sensor encoders referring to FRONT WHEEL SPEED SENSOR ENCODER ON-VEHICLE INSPECTION and/or REAR WHEEL SPEED SENSOR ENCODER ON-VEHICLE INSPECTION . Are they in good condition? | Go to Step 7. | Clean or replace wheel hub assembly. |
| 7 | Wheel speed sensor signal check Inspection all wheel speed sensors referring to FRONT/REAR WHEEL SPEED SENSOR ON-VEHICLE INSPECTION . Are they in good condition? | Substitute a known-good wheel hub assembly and recheck. If DTC detected, substitute a known-good ESP® hydraulic unit/control module and recheck. | Replace wheel speed sensor and recheck. |
C1033: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 14
| DTC Detecting Condition | Trouble Area |
|---|---|
| DTC C1034: Power supply voltage of yaw rate/G sensor is too high or low. DTC C1039: Yaw rate/G sensor internal failure is detected. Abnormal signal from yaw rate/G sensor is detected. | Yaw rate/G sensor power supply circuit Yaw rate/G sensor assembly ESP® control module |
C1034/C1039: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | DTC check for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ESP®. Are DTC U0073 and/or U0123 detected? | Go to applicable DTC troubleshooting. | Go to Step 3. |
| 3 | Check fuse Is circuit fuse for yaw rate/G sensor in good condition? | Go to Step 4. | Replace fuse and check for short circuit to ground. |
| 4 | Check yaw rate/G sensor power supply circuit Turn ignition switch to OFF position. Disconnect yaw rate/G sensor connector. Check for proper connection to yaw rate/G sensor connector terminals at "L34-1" and "L34-4". If OK, then measure voltage between connector terminal "L34-1" and vehicle body ground with ignition switch turned ON. Is it 10 - 14 V? | Go to Step 5. | "GRN/ORN" wire circuit open or high resistance. |
| 5 | Check yaw rate/G sensor ground circuit Measure resistance between connector terminal "L34-4" and vehicle body ground with ignition switch turned OFF. Is resistance less than 2 ohms? | Substitute a known-good yaw rate/G sensor and recheck. If DTC C1034 and/or C1039 is still detected, substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | "BLK/ORN" wire circuit open or high resistance. |
C1034/C1039: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 15
| DTC Detecting Condition | Trouble Area |
|---|---|
| Power supply voltage to steering angle sensor is too low. | Steering angle sensor power supply circuit Steering angle sensor ESP® control module |
C1037: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2 | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | DTC check for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ESP®. Are DTC U0073 and/or U0126 detected? | Go to applicable DTC troubleshooting. | Go to Step 3. |
| 3 | Check fuse Check circuit fuses for steering angle sensor and its circuit. Is it good condition? | Go to Step 4. | Replace fuse and check for short circuit to ground. |
| 4 | Check steering angle sensor power supply circuit Turn ignition switch to OFF position. Disconnect steering angle sensor connector. Check for proper connection to steering angle sensor connector terminals at "G33-2" and "G33-3". If OK, then measure voltage between connector terminal "G33-3" and vehicle body ground. Is it 10 - 14 V? | Go to Step 4. | "WHT/RED" wire circuit open. |
| 5 | Check steering angle sensor ground circuit Turn ignition switch to OFF position. Measure resistance between connector terminal "G33-2" and vehicle body ground. Is resistance less than 2 ohms? | Substitute a known-good steering angle sensor and recheck. If DTC C1037 is still detected, substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | "BLK/ORN" wire circuit open or high resistance. |
C1037: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| ESP® control module rolling counter failure is detected by steering angle sensor. | CAN communication circuit Steering angle sensor ESP® control module |
C1038: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check DTC for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC. Is there any DTC(s) other than C1038 and C1096? | Go to applicable DTC troubleshooting. | Substitute a known-good steering angle sensor and recheck. If DTC C1038 is still detected, substitute a known-good ESP® hydraulic unit control module assembly and recheck. |
C1038: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| ESP® control is active for more than specified time. ESP® control module requested pressure reduction or keeping all wheel speed sensor for more than specified time. | ESP® control module |
C1040: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check DTC for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ESP®. Is there any DTC(s) other than C1040? | Go to applicable DTC troubleshooting. | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. |
C1040: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 16
| DTC Detecting Condition | Trouble Area |
|---|---|
| Solenoid valve circuit is opened, shorted to power, ground and/or each valve in ESP® hydraulic unit/control module assembly. Mismatching solenoid output and solenoid monitor is detected. | Solenoid valve power supply circuit ESP® control module |
C1041/C1042/C1043/C1044/C1045/C1046/C1051/C1052/C1053/C1054/C1055/C1056: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | ESP® hydraulic unit/control module power supply circuit check Turn ignition switch to OFF position. Disconnect ESP® control module connector. Check for proper connection to ESP® control module connector at terminals "E08-1" and "E08-14". If OK, then measure voltage between terminals "E08-1" and "E08-14" of ESP® control module connector. Is it 10 - 14 V? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | "WHT/BLU" or "BLK" circuit open or high resistance. |
C1041/C1042/C1043/C1044/C1045/C1046/C1051/C1052/C1053/C1054/C1055/C1056: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 17
| DTC Detecting Condition | Trouble Area |
|---|---|
| ESP® control module power supply voltage is too high or too low. | ESP® control module power supply circuit ESP® control module |
C1057: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to " ELECTRONIC STABILITY PROGRAM CHECK ". |
| 2 | Check ESP® hydraulic unit/control module assembly power supply and ground circuit Check that ESP® hydraulic unit/control module assembly power supply circuit and ground circuit is in good condition referring to ESP® HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT CHECK . Are check results OK? | Go to Step 3. | Repair ESP® hydraulic unit/control module assembly power supply or ground circuit. |
| 3 | ESP® hydraulic unit/control module power supply voltage check Measure battery voltage with engine running at 3000 RPM. Is voltage 15 V or less? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Check charging system referring to GENERATOR TEST . |
C1057: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 18
| DTC Detecting Condition | Trouble Area |
|---|---|
| Defective pump motor and/or motor power supply voltage is too low. Pump motor circuit in ESP® control module is opened, shorted to power or ground circuit. | Pump motor and/or motor driver power supply circuit ESP® control module |
C1061: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check ESP® hydraulic unit/control module assembly power supply and ground circuit Check that ESP® hydraulic unit/control module assembly power supply circuit and ground circuit is in good condition referring to ESP® HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT CHECK . Are check results OK? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Repair ESP® hydraulic unit/control module assembly power supply or ground circuit. |
C1061: SYMPTOM TROUBLESHOOTING REFERENCE CHART
Scheme 19
| DTC Detecting Condition | Trouble Area |
|---|---|
| Solenoid valve power supply driver circuit is opened, shorted to power and ground circuit in ESP® control module. Solenoid valve power supply voltage is too low. Solenoid valve power supply driver is stuck to ON or OFF position. Output circuit from control unit is opened or shorted in ESP® control module. Mismatching solenoid output and solenoid monitor is detected. | Solenoid valve power supply circuit ESP® control module |
C1063: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check ESP® hydraulic unit/control module assembly power supply and ground circuit Check that ESP® hydraulic unit/control module assembly power supply circuit and ground circuit is in good condition referring to ESP® HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT CHECK . Are check results OK? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Repair ESP® hydraulic unit/control module assembly power supply or ground circuit. |
C1063: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| ESP® control module internal defect is detected. | ESP® control module |
C1071: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check ESP® hydraulic unit/control module assembly power supply and ground circuit Check that ESP® hydraulic unit/control module assembly power supply circuit and ground circuit is in good condition referring to ESP® HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT CHECK . Are check results OK? | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Repair ESP® hydraulic unit/control module assembly power supply or ground circuit. |
C1071: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| C1075: Missing steering angle sensor calibration point data is detected. | Steering angle sensor Steering angle sensor calibration is incompleted ESP® control module |
C1075: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | DTC check for ESP® Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ESP®. Is there any DTC(s) other than C1075? | Go to applicable DTC troubleshooting. | Go to Step 3. |
| 3 | Check sensor calibration Calibrate steering angle sensor referring to SENSOR CALIBRATION OF ESP® . Clear all DTC(s) and check DTC for ESP®. Is DTC C1075 still detected? | Substitute a known-good steering angle sensor and recheck. If DTC C1075 is still detected, substitute a known-good ESP® hydraulic unit/control module assembly and recheck. | Calibration was incompleted. |
C1075: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| C1091: ECM sent invalid signal to ESP® control module. | Engine control system ECM ESP® control module |
| C1094: ECM sent invalid signal of torque control to ESP® control module |
C1091/C1094: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | DTC check for ECM Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC for ECM. Is there any DTC(s)? | Go to applicable DTC troubleshooting. | Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. |
C1091/C1094: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| DTC Detecting Condition | Trouble Area |
|---|---|
| Yaw rate/G sensor assembly message counter error is detected by ESP® control module. | CAN communication circuit Yaw rate/G sensor assembly ESP® control module |
C1096: SYMPTOM DIAGNOSIS REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Electronic Stability Program Check" performed? | Go to Step 2. | Go to ELECTRONIC STABILITY PROGRAM CHECK . |
| 2 | Check DTC Connect SUZUKI scan tool to DLC with ignition switch turned OFF. Turn ignition switch ON and check DTC. Is there any DTC(s) other than C1038 and C1096? | Go to applicable DTC troubleshooting. | Substitute a known-good yaw rate/G sensor assembly and recheck. If DTC C1096 is still detected, substitute a known-good ESP® hydraulic unit control module assembly and recheck. |
C1096: SYMPTOM TROUBLESHOOTING REFERENCE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Check fuse Are main fuses and circuit fuses for ESP® in good condition? | Go to Step 2. | Replace fuse and check for short circuit to ground. |
| 2 | Check ESP® control module power supply circuit Turn ignition switch to OFF position. Disconnect ESP® control module connector. Check for proper connection to ESP® control module connector at terminals "E08-8", "E08-14", "E08-1", "E08-26" and "E08-38". If OK, then turn ignition switch to ON position and measure voltage between terminal "E08-8" and vehicle body ground. Is voltage less than 10 V? | Go to Step 3. | "GRN/ORN" circuit open. |
| 3 | Check pump motor and solenoid valve power supply circuit Turn ignition switch to OFF position. Measure voltage between each terminals of "E08-1", "E08-26" and vehicle body ground. Are voltage less than 10 V? | Go to Step 4. | "WHT/BLU" and/or "WHT/RED" circuit open. |
| 4 | Check ESP® hydraulic unit/control module assembly ground circuit Measure resistance between each terminal of "E08-14", "E08-38" and vehicle body ground. Is resistance less than 2 ohms? | ESP® hydraulic unit/control module assembly power supply and ground circuits are in good condition. | "BLK" circuit open or high resistance. |
ESP® HYDRAULIC UNIT/CONTROL MODULE SYMPTOM TROUBLESHOOTING REFERENCE CHART
ESP® Hydraulic Unit/Control Module Assembly On-Vehicle Inspection
| CAUTION | Never disassemble ESP® hydraulic unit/control module assembly, loosen blind plug or remove motor. Performing any of these prohibited services will affect original performance of ESP® hydraulic unit/control module assembly. |
Check hydraulic unit for fluid leakage.
If any, replace.
Front/Rear Wheel Speed Sensor On-Vehicle Inspection
Refer to FRONT AND REAR WHEEL SPEED SENSOR ON-VEHICLE INSPECTION .
Front/Rear Wheel Speed Sensor Inspection
Refer to FRONT AND REAR WHEEL SPEED SENSOR INSPECTION .
Front Wheel Speed Sensor Encoder On-Vehicle Inspection
Refer to FRONT AND REAR WHEEL SPEED SENSOR ON-VEHICLE INSPECTION .
Rear Wheel Speed Sensor Encoder On-Vehicle Inspection
Refer to FRONT AND REAR WHEEL SPEED SENSOR ON-VEHICLE INSPECTION .
Yaw Rate/G Sensor Inspection
Reference: YAW RATE/G SENSOR REMOVAL AND INSTALLATION
- Check sensor for dents, cracks or deformation.
- Check sensor connector (sensor side and harness side) and sensor connector lock mechanism for damage or crack.
- Check connector terminals for bend, corrosion or rust.
If it is found faulty, replace yaw rate/G sensor.
Scheme 20
Steering Angle Sensor On-Vehicle Inspection
| CAUTION | Before each inspection, confirm steering angle sensor calibration is completed. If calibration is incompleted, calibrate sensor referring to SENSOR CALIBRATION OF ESP® . |
Scheme 21
Scheme 22
- Connect SUZUKI scan tool to DLC (1) with ignition switch OFF. Special Tool (A): SUZUKI scan tool (SUZUKI-SDT)
- Turn ignition switch to ON position and select menu "Data List" mode of SUZUKI scan tool. Refer to scan tool operators manual for further details.
- Check "Steering angle Sen" under "Data List" of SUZUKI scan tool in the following steering wheel conditions. Front wheels in straight-ahead position Rotate steering wheel a round in clockwise (counter clockwise) from straight-ahead position If steering angle condition is out of specification, replace steering angle sensor. Steering angle Specification STEERING ANGLE SPECIFICATION Vehicle condition Steering angle Front wheels in straight-ahead position 0 ± 3° Rotate steering wheel a round in clockwise 360 ± 3° Rotate steering wheel a round in counterclockwise -360 ± 3°
Steering Angle Sensor Inspection
- Check sensor for dents, cracks or deformation.
- Check sensor connector (sensor side and harness side) and sensor connector lock mechanism for damage or crack.
- Check connector terminals for bend, corrosion or rust.
If it is found faulty, replace steering angle sensor (1).
Scheme 23
Scheme 24
- Disconnect negative (-) cable at battery.
- Remove rear console box referring to «CONSOLE BOX COMPONENTS»(ref-514561-S29435778172012112100000) .
- Disconnect ESP® OFF switch coupler.
- Remove ESP® OFF switch (1) from rear console box.
ESP® OFF Switch Inspection
Reference: ESP® OFF SWITCH REMOVAL AND INSTALLATION
Check for continuity between terminals at each switch position.
If check result is not as specified, replace ESP® OFF switch (1).
