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Steering Control System: Diagnosis Nissan Rogue I

Steering Control Systems 1 illustration ~2471 words

DTC DETECTION LOGIC

DTCDisplay itemMalfunction detected conditionPossible cause
C1601BATTERY VOLTWhen the EPS control unit power supply malfunction is detected.Harness or connector EPS control unit

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results BATTERY VOLT Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S11618782932008081400000) ". NO: INSPECTION END

Diagnosis Procedure

  1. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connector and then perform self-diagnosis. Is any item indicated on the self-diagnosis display? YES: GO TO 2. NO: Poor connection of connector terminal. Repair or replace connector.
  2. CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect EPS control unit harness connector. Turn ignition switch ON. (Do not start engine.) Check voltage between EPS control unit harness connector terminals and ground. VOLTAGE SPECIFICATION EPS control unit - Voltage Connector Terminal M38 1 Ground Battery voltage M37 3 Turn ignition switch OFF. Check voltage between EPS control unit harness connector terminals and ground. VOLTAGE SPECIFICATION EPS control unit - Voltage Connector Terminal M38 1 Ground Battery voltage M37 3 Approx. 0 V Is the inspection result normal? YES: GO TO 3. NO: Repair or replace malfunctioning components.
  3. CHECK EPS CONTROL UNIT GROUND CIRCUIT Check continuity between EPS control unit harness connector terminal and ground. CONTINUITY SPECIFICATION EPS control unit - Continuity Connector Terminal M38 2 Ground Existed Connect EPS control unit harness connector. Is the inspection result normal? YES: GO TO 4. NO: Repair open circuit or short to ground or short to power in harness or connectors.
  4. CHECK EPS CONTROL UNIT Turn ignition switch OFF. Connect EPS control unit harness connector. Start engine. Check "BATTERY VOLT" in "DATA MONITOR". Voltage : Almost same as battery voltage. Is the inspection result normal? YES: GO TO 5. NO: Replace EPS control unit. Refer to " «EXPLODED VIEW»(ref-295112-S42649593012008081400000) ".
  5. CHECK POWER SUPPLY CIRCUIT Turn head lamp, A/C, blower fan and rear window defogger OFF. Turn steering wheel until it stops. At that time, check "BATTERY VOLT" in "DATA MONITOR". Voltage : Almost same as battery voltage. Is the inspection result normal? YES: INSPECTION END NO: Power supply circuit is defective. Repair or replace any inoperative parts.
DTCDisplay itemMalfunction detected conditionPossible cause
C1604TORQUE SENSORMalfunction of the torque sensor in steering column assembly is detected.Harness or connector Torque sensor EPS control unit

DTC DETECTION LOGIC

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results TORQUE SENSOR Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S35882771642008081400000) ". NO: INSPECTION END
  1. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connectors and then perform the self-diagnosis. Is the "TORQUE SENSOR" [C1604] displayed? YES: Torque sensor is malfunction. Replace steering column assembly. Refer to " «EXPLODED VIEW»(ref-295099-S22273223732008081400000) ". NO: Poor connection of connector terminal. Repair or replace connector.
DTCDisplay itemMalfunction detected conditionPossible cause
C1606EPS MOTORWhen the motor driver malfunction of EPS control unit or EPS motor malfunction is detected.Harness or connector EPS motor EPS control unit

DTC DETECTION LOGIC

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results EPS MOTOR Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S02755598332008081400000) ". NO: INSPECTION END
  1. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connectors and then perform the self-diagnosis. Is the "EPS MOTOR" [C1606] displayed? YES: EPS motor malfunctions. Replace steering column assembly. Refer to " «EXPLODED VIEW»(ref-295099-S22273223732008081400000) ". NO: Poor connection of connector terminal. Repair or replace connector.
DTCDisplay itemMalfunction detected conditionPossible cause
C1607EEPROMWhen the memory (EEPROM) system malfunction is detected in EPS control unit.Harness or connector EPS control unit

DTC DETECTION LOGIC

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results EEPROM Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S23809760732008081400000) ". NO: INSPECTION END
  1. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connectors and then perform the self-diagnosis. Is the "EEPROM" [C1607] displayed? YES: Replace EPS control unit. Refer to " «EXPLODED VIEW»(ref-295112-S42649593012008081400000) ". NO: Poor connection of connector terminal. Repair or replace connector.
DTCDisplay itemMalfunction detected conditionPossible cause
C1608CONTROL UNITWhen the internal malfunction is detected in EPS control unit.Harness or connector EPS control unit

DTC DETECTION LOGIC

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results CONTROL UNIT Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S24099034062008081400000) ". NO: INSPECTION END
  1. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connectors and then perform self-diagnosis. Is any item indicated on the self-diagnosis display? YES: GO TO 2. NO: Poor connection of connector terminal. Repair or replace connector.
  2. CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect EPS control unit harness connector. Turn ignition switch ON. (Do not start engine.) Check voltage between EPS control unit harness connector terminals and ground. VOLTAGE SPECIFICATION EPS control unit - Voltage Connector Terminal M38 1 Ground Battery voltage M37 3 Turn ignition switch OFF. Check voltage between EPS control unit harness connector terminals and ground. VOLTAGE SPECIFICATION EPS control unit - Voltage Connector Terminal M38 1 Ground Battery voltage M37 3 Approx. 0 V Is the inspection result normal? YES: GO TO 3. NO: Repair or replace malfunctioning components.
  3. CHECK EPS CONTROL UNIT GROUND CIRCUIT Check continuity between EPS control unit harness connector terminal and ground. CONTINUITY SPECIFICATION EPS control unit - Continuity Connector Terminal M38 2 Ground Existed Connect EPS control unit harness connector. Is the inspection result normal? YES: GO TO 4. NO: Repair open circuit or short to ground or short to power in harness or connectors.
  4. CHECK DTC Perform EPS control unit self-diagnosis. Is "C1608 CONTROL UNIT" indicated in self-diagnosis display? YES: Replace EPS control unit. Refer to " «EXPLODED VIEW»(ref-295112-S42649593012008081400000) ". NO: INSPECTION END
DTCDisplay itemMalfunction detected conditionPossible cause
U1200CAN VHCL SPEED (ABS)Abnormal vehicle speed signals received via CAN communication are detected.Harness or connector CAN communication line EPS control unit ABS malfunction Vehicle speed signal error

DTC DETECTION LOGIC

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results CAN VHCL SPEED (ABS) Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S08647910922008081400000) ". NO: INSPECTION END
  1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SYSTEM Perform ABS actuator and electric unit (control unit) self-diagnosis. Repair or replace items indicated, then perform ABS actuator and electric unit (control unit) self-diagnosis again. Refer to " «CONSULT-III FUNCTION»(ref-295117-S40623904562008081400000) " (ABS models), " «CONSULT-III FUNCTION»(ref-295117-S40895176472008081400000) " (VDC models). Is any item indicated on the self-diagnosis display? YES: Repair or replace malfunctioning components. NO: GO TO 2.
  2. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connectors and then perform the self-diagnosis. Is any item indicated on the self-diagnosis display? YES: Replace EPS control unit. Refer to " «EXPLODED VIEW»(ref-295112-S42649593012008081400000) ". NO: Poor connection of connector terminal. Repair or replace connector.
DTCDisplay itemMalfunction detected conditionPossible cause
U14FFCAN VHCL SPEED (METER)Abnormal vehicle speed signals received via CAN communication are detected.Harness or connector CAN communication line EPS control unit Combination meter malfunction Vehicle speed signal error

DTC DETECTION LOGIC

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results CAN VHCL SPEED (METER) Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S40966052012008081400000) ". NO: INSPECTION END
  1. CHECK COMBINATION METER SYSTEM Perform combination meter self-diagnosis. Repair or replace items indicated, then perform combination meter self-diagnosis again. Refer to " «CONSULT-III FUNCTION (METER/M&A)»(ref-295113-S31516001202008081400000) ". Is any item indicated on the self-diagnosis display? YES: Repair or replace malfunctioning components. NO: GO TO 2.
  2. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connectors and then perform the self-diagnosis. Is any item indicated on the self-diagnosis display? YES: Replace EPS control unit. Refer to " «EXPLODED VIEW»(ref-295112-S42649593012008081400000) ". NO: Poor connection of connector terminal. Repair or replace connector.
DTCDisplay itemMalfunction detected conditionPossible cause
U1000CAN COMM CIRCUITWhen EPS control unit is not transmitting or receiving CAN communication signal for 2 seconds or more.Harness or connector CAN communication line EPS control unit

DTC DETECTION LOGIC

  1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. SELF-DIAGNOSIS RESULTS CHART Self-diagnosis results CAN COMM CIRCUIT Is above displayed on the self-diagnosis display? YES: Proceed to diagnosis procedure. Refer to " «DIAGNOSIS PROCEDURE»(ref-295112-S09774602162008081400000) ". NO: INSPECTION END
  1. CHECK CONNECTOR Turn ignition switch OFF. Disconnect EPS control unit harness connector. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal. Reconnect connector and perform self-diagnosis. Is above displayed on the self-diagnosis display? YES: Go to " «TROUBLE DIAGNOSIS FLOW CHART»(ref-295093-S09347492342008081400000) ". NO: INSPECTION END

VALUES ON THE DIAGNOSIS TOOL

CAUTIONThe output signal indicates the EPS control unit calculation data. The normal values will be displayed even in the event that the output circuit (harness) is open.
Monitor itemContentConditionDisplay value
BATTERY VOLTPower supply voltage for EPS control unitIgnition switch: ONBattery voltage
TORQUE SENSORSteering wheel turning forceEngine runningSteering wheel: Not steering (There is no steering force)Approx. 0 Nm
Steering wheel: Right turnNegative value (Nm)
Steering wheel: Left turnPositive value (Nm)
MOTOR SIGCommand current to EPS motorEngine runningSteering wheel: Not steering (There is no steering force)Approx. 0 A
Steering wheel: Right turnPositive value (A)
Steering wheel: Left turnNegative value (A)
MOTOR CURRENTConsumption current of EPS motorEngine runningSteering wheel: Not steering (There is no steering force)Approx. 0 A
Steering wheel: Right turnPositive value (A)
Steering wheel: Left turnNegative value (A)
ASSIST TORQUEDisplays assist torque being output by the EPS.Engine runningSteering wheel: Not steering (There is no steering force)Approx. 0 Nm
Steering wheel: Right turnPositive value (Nm)
Steering wheel: Left turnNegative value (Nm)
C/U TEMPDisplays temperature of the EPS control unit.Ignition switch ON or engine runningDisplays temperature of inside of EPS control unit (°C)
ASSIST LEVELAssist available levelEngine running100 % (1)
VEHICLE SPEEDVehicle speedVehicle stopped0 km/h (0 mph)
While drivingApproximately equal to the indication on speedometer (inside of ±10%) (2)
MOTOR TEMPDisplays temperature of EPS motor.Engine runningDisplays temperature of inside of EPS motor (°C)
VHCL SPD CALCDisplays vehicle speeds used for controlling EPS.Vehicle stopped0 km/h (0 mph)
While drivingApproximately equal to the indication on speedometer (inside of ±10%) (2)
WARNING LAMPEPS warning lamp conditionEPS warning lamp: ONOn
EPS warning lamp: OFFOff
ENGINE STATUSEngine statusEngine not runningSTOP, STALL, CRANK
Engine runningRUN
*1: Almost in accordance with the value of MOTOR SIG. It is not a malfunction though these values are not accorded when steering quickly. (1) Normally displays 100%. In case of an excessive stationary steering, the assist curvature gradually falls. However, it returns to 100% when left standing. (2) It is not a malfunction, though it might not be corresponding just after ignition switch in turned ON.
(1)Normally displays 100%. In case of an excessive stationary steering, the assist curvature gradually falls. However, it returns to 100% when left standing.
(2)It is not a malfunction, though it might not be corresponding just after ignition switch in turned ON.

DIAGNOSIS TOOL VALUE REFERENCE

Scheme 5

Scheme 5: TERMINAL LAYOUT
Scheme 5: TERMINAL LAYOUT

DTC No. Index

DTCItems (CONSULT screen terms)Reference
C1601BATTERY VOLT" DTC LOGIC "
C1604TORQUE SENSOR" DTC LOGIC "
C1606EPS MOTOR" DTC LOGIC "
C1607EEPROM" DTC LOGIC "
C1608CONTROL UNIT" DTC LOGIC "
U1200CAN VHCL SPEED (ABS)" DTC LOGIC "
U14FFCAN VHCL SPEED (METER)" DTC LOGIC "
U1000CAN COMM CIRCUIT" DTC LOGIC "

DTC NO. INDEX

  1. CHECK SYSTEM FOR CAN COMMUNICATION LINE Perform EPS control unit self-diagnosis. Is the "CAN COMM CIRCUIT [U1000]" displayed? YES: Perform trouble diagnosis for CAN communication line. NO: GO TO 2.
  2. CHECK EPS CONTROL UNIT Check EPS control unit input/output signal. Refer to " «REFERENCE VALUE»(ref-295112-S15007905622008081400000) ". Is the inspection result normal? YES: GO TO 3. NO: Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
  3. CHECK COMBINATION METER SELF-DIAGNOSIS RESULTS Perform combination meter self-diagnosis. Refer to " «CONSULT-III FUNCTION (METER/M&A)»(ref-295113-S31516001202008081400000) ". is self-diagnosis results indicated? YES: Repair or replace malfunctioning components. NO: GO TO 4.
  4. SYMPTOM CHECK Check again. Is the inspection result normal? YES: INSPECTION END NO: Replace combination meter.
  1. CHECK SELF-DIAGNOSIS RESULTS Perform EPS control unit self-diagnosis. Is any malfunction detected by self-diagnosis? YES: Check the malfunctioning system. NO: GO TO 2.
  2. CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect EPS control unit harness connector. Turn ignition switch ON. (Do not start engine.) Check voltage between EPS control unit harness connector terminals and ground. VOLTAGE SPECIFICATION EPS control unit - Voltage Connector Terminal M38 1 Ground Battery voltage M37 3 Turn ignition switch OFF. Check voltage between EPS control unit harness connector terminals and ground. VOLTAGE SPECIFICATION EPS control unit - Voltage Connector Terminal M38 1 Ground Battery voltage M37 3 Approx. 0 V Is the inspection result normal? YES: GO TO 3. NO: Repair or replace malfunctioning components.
  3. CHECK EPS CONTROL UNIT GROUND CIRCUIT Check continuity between EPS control unit harness connector terminal and ground. CONTINUITY SPECIFICATION EPS control unit - Continuity Connector Terminal M38 2 Ground Existed Connect EPS control unit harness connector. Is the inspection result normal? YES: GO TO 4. NO: Repair open circuit or short to ground or short to power in harness or connectors.
  4. CHECK EPS CONTROL UNIT PIN TERMINAL Check EPS control unit pin terminals for damage or loose connection with harness connector. Is the inspection result normal? YES: GO TO 5. NO: Repair or replace damaged parts.
  5. CHECK COMBINATION METER SELF-DIAGNOSIS RESULTS Perform combination meter self-diagnosis. Refer to " «CONSULT-III FUNCTION (METER/M&A)»(ref-295113-S31516001202008081400000) ". is self-diagnosis results indicated? YES: Repair or replace malfunctioning components. NO: GO TO 6.
  6. CHECK VEHICLE SPEED SIGNAL FROM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) Perform ABS actuator and electric unit (control unit) self-diagnosis. Without VDC: " «CONSULT-III FUNCTION»(ref-295117-S40623904562008081400000) ". With VDC: " «CONSULT-III FUNCTION»(ref-295117-S40895176472008081400000) ". Is any malfunction detected by self-diagnosis? YES: Check the malfunctioning system. NO: GO TO 7.
  7. CHECK ENGINE STATUS SIGNAL Perform ECM self-diagnosis. For CALIFORNIA: " «CONSULT-III FUNCTION»(ref-295105-S36344452232008081400000) ". For USA (FEDERAL) and CANADA: " «CONSULT-III FUNCTION»(ref-295106-S00727811492008081400000) ". For MEXICO: " «CONSULT-III FUNCTION»(ref-295107-S15907271622008081400000) ". Is the malfunction detected by self-diagnosis? YES: Check the malfunctioning system. NO: GO TO 8.
  8. SYMPTOM CHECK Check again. Is the inspection result normal? YES: INSPECTION END NO: Replace combination meter. Refer to " «EXPLODED VIEW»(ref-295113-S37052060712008081400000) ".
  1. CHECK SYSTEM FOR CAN COMMUNICATION LINE Perform EPS control unit self-diagnosis. Is the "CAN COMM CIRCUIT [U1000]" displayed. YES: Perform trouble diagnosis for CAN communication line. Refer to " «DESCRIPTION»(ref-295112-S14833868132008081400000) ". NO: GO TO 2.
  2. CHECK VEHICLE SPEED SIGNAL FROM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) Perform ABS actuator and electric unit (control unit) self-diagnosis. Without VDC: " «CONSULT-III FUNCTION»(ref-295117-S40623904562008081400000) ". With VDC: " «CONSULT-III FUNCTION»(ref-295117-S40895176472008081400000) ". Is any malfunction detected by self-diagnosis? YES: Check the malfunctioning system. NO: GO TO 3.
  3. CHECK COMBINATION METER SIGNAL Perform combination meter self-diagnosis. Refer to " «CONSULT-III FUNCTION (METER/M&A)»(ref-295113-S31516001202008081400000) ". Is the malfunction detected by self-diagnosis? YES: Check the malfunctioning system. NO: GO TO 4.
  4. CHECK ENGINE STATUS SIGNAL Perform ECM self-diagnosis. For CALIFORNIA: " «CONSULT-III FUNCTION»(ref-295105-S36344452232008081400000) ". For USA (FEDERAL) and CANADA: " «CONSULT-III FUNCTION»(ref-295106-S00727811492008081400000) ". For MEXICO: " «CONSULT-III FUNCTION»(ref-295107-S15907271622008081400000) ". Is the malfunction detected by self-diagnosis? YES: Check the malfunctioning system. NO: GO TO 5.
  5. CHECK EPS CONTROL UNIT Check EPS control unit input/output signal. Refer to " «REFERENCE VALUE»(ref-295112-S15007905622008081400000) ". Is the inspection result normal? YES: GO TO 6. NO: Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
  6. CHECK STEERING WHEEL TURNING FORCE Check steering wheel turning force. Refer to " «INSPECTION»(ref-295099-S19044059402008081400000) ". Is the inspection result normal? YES: GO TO 7. NO: Repair or replace malfunctioning components.
  7. SYMPTOM CHECK Check again. Is the inspection result normal? YES: INSPECTION END NO: Check the steering wheel turning force for mechanical malfunction. Refer to " «INSPECTION»(ref-295099-S19044059402008081400000) ".
  1. CHECK EPS WARNING LAMP Confirm EPS warning lamp during engine running. Does EPS warning lamp turn OFF? YES: GO TO 2. NO: Go to " «DIAGNOSIS PROCEDURE»(ref-295112-S36959552072008081400000) ".
  2. CHECK WHEEL ALIGNMENT Check wheel alignment. Refer to " «INSPECTION»(ref-295125-S33622877012008081400000) ". Is the inspection result normal? YES: GO TO 3. NO: Adjust wheel alignment. Refer to " «INSPECTION»(ref-295125-S33622877012008081400000) ".
  3. CHECK EPS CONTROL UNIT Check EPS control unit input/output signal. Refer to " «REFERENCE VALUE»(ref-295112-S15007905622008081400000) ". Is the inspection result normal? YES: GO TO 4. NO: Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
  4. CHECK STEERING WHEEL TURNING FORCE Check steering wheel turning force. Refer to " «INSPECTION»(ref-295099-S19044059402008081400000) ". Is the inspection result normal? YES: GO TO 5. NO: Repair or replace malfunctioning components.
  5. SYMPTOM CHECK Check again. Is the inspection result normal? YES: INSPECTION END NO: Check the steering wheel turning force for mechanical malfunction. Refer to " «INSPECTION»(ref-295099-S19044059402008081400000) ".
  1. CHECK EPS WARNING LAMP Confirm EPS warning lamp during engine running. Does EPS warning lamp turn OFF? YES: GO TO 2. NO: Go to " «DIAGNOSIS PROCEDURE»(ref-295112-S36959552072008081400000) ".
  2. CHECK STEERING COLUMN INTERMEDIATE SHAFT Check the connection between intermediate shaft and the mounting part of steering column assembly and steering gear assembly. Refer to " «EXPLODED VIEW»(ref-295099-S22273223732008081400000) ". Is the inspection result normal? YES: GO TO 3. NO: Repair or replace damaged parts.
  3. CHECK EPS CONTROL UNIT Check EPS control unit input/output signal. Refer to " «REFERENCE VALUE»(ref-295112-S15007905622008081400000) ". Is the inspection result normal? YES: GO TO 4. NO: Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
  4. SYMPTOM CHECK Check again. Is the inspection result normal? YES: INSPECTION END NO: Check the steering wheel turning force for mechanical malfunction. Refer to " «INSPECTION»(ref-295099-S19044059402008081400000) ".

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