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Steering Control Module (Scm) - Electrical Diagnostics: Diagnosis Jeep Compass I рестайлинг 2

Electronic Steering ~1217 words

DIAGNOSTIC CODE INDEX

DTCDescription
C1219STEERING ANGLE SENSOR ERRATIC PERFORMANCE
C121ASTEERING ANGLE SENSOR NOT INITIALIZED
C123FSTEERING ANGLE SENSOR COMPARATIVE PERFORMANCE
C1240STEERING ANGLE SENSOR ANGLE OVERTRAVEL PERFORMANCE
C1241STEERING ANGLE SENSOR VELOCITY PERFORMANCE
C2102SYSTEM VOLTAGE LOW
C2103SYSTEM VOLTAGE HIGH
C2205STEERING ANGLE SENSOR INTERNAL
U0001CAN C BUS
U0121LOST COMMUNICATION WITH ABS
U0141LOST COMMUNICATION WITH IPM (FCM/TIPM)

DIAGNOSTIC CODE INDEX

DIAGNOSTIC TEST

CHECK FOR AN ACTIVE DTC

Note. Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set.

  1. Turn the ignition on.
  2. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the Clockspring/SAS in accordance with the Service Information. Refer to «CLOCKSPRING, REMOVAL»(ref-612712-S12283864872014043000000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) .

CHECK FOR AN ACTIVE DTC

Note. Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set.

  1. Turn the ignition on.
  2. With the scan tool, perform the Steering Angle Sensor Initialization procedure.
  3. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the Clockspring/SAS in accordance with the Service Information. Refer to «CLOCKSPRING, REMOVAL»(ref-612712-S12283864872014043000000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) .

CHECK FOR AN ACTIVE DTC

Note. Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set.

  1. Turn the ignition on.
  2. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the Clockspring/SAS in accordance with the Service Information. Refer to «CLOCKSPRING, REMOVAL»(ref-612712-S12283864872014043000000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) .

CHECK FOR AN ACTIVE DTC

Note. Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set.

  1. Turn the ignition on.
  2. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the Clockspring/SAS in accordance with the Service Information. Refer to «CLOCKSPRING, REMOVAL»(ref-612712-S12283864872014043000000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) .

CHECK FOR AN ACTIVE DTC

Note. Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set.

  1. Turn the ignition on.
  2. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the Clockspring/SAS in accordance with the Service Information. Refer to «CLOCKSPRING, REMOVAL»(ref-612712-S12283864872014043000000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) .

CHECK POWERTRAIN CONTROL MODULE DTCs

  1. With the scan tool, read Powertrain DTCs Are there any Powertrain Charging or Battery DTCs present? Yes Perform the appropriate diagnostic procedure. Refer to «DTC INDEX»(/jeep/compass/i-2-2013-2016/remont/dtc-index/#dtc-index) . No This code is for information only. At some time there was a low battery system voltage. Check the battery and charging system in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/compass/i-2-2013-2016/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

CHECK ENGINE DTCs

  1. With the scan tool, read Powertrain DTCs. Are there any Powertrain Charging or Battery DTCs present? Yes Refer to «DTC INDEX»(/jeep/compass/i-2-2013-2016/remont/dtc-index/#dtc-index) and perform the appropriate diagnostic procedure. No This code is a CAN system message for information only. Check the charging system in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/compass/i-2-2013-2016/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

CHECK FOR AN ACTIVE DTC

Note. Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set.

  1. Turn the ignition on.
  2. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the Clockspring/SAS in accordance with the Service Information. Refer to «CLOCKSPRING, REMOVAL»(ref-612712-S12283864872014043000000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612711-S04534132952014043000000) .

CHECK FOR ACTIVE DTCS

  1. With the scan tool, read the active WIN DTCs.
  2. Cycle the ignition switch from off to on at least 3 times, leaving the ignition on for a minimum of one minute per cycle.
  3. With the scan tool, read the active WIN DTCs. Does the scan tool display: U0001-CAN C BUS as active? Yes Refer to «DIAGNOSIS AND TESTING»(ref-612780-S22645521472014043000000) and perform the U0001-CAN C Bus diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(ref-612760-S35126990332014043000000) and perform the Stored Lost Communication DTCs diagnostic procedure.

ACTIVE DTC

  1. Ignition on, engine not running.
  2. With the scan tool, select view DTCs. Is the DTC Active at this time? Yes Refer to «DIAGNOSIS AND TESTING»(ref-612780-S22645521472014043000000) and perform the U0121-Lost Communication with Anti-Lock Brake Module diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(ref-612760-S35126990332014043000000) and perform the Stored Lost Communication DTCs diagnostic procedure.

VERIFY DTC IS ACTIVE

Note. Make sure the IOD fuse is installed and the battery is fully charged before proceeding.

  1. Turn the ignition on.
  2. With the scan tool, read active DTCs. Is this DTC active? Yes Refer to «DIAGNOSIS AND TESTING»(ref-612780-S22645521472014043000000) and perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(ref-612760-S35126990332014043000000) and perform the Stored Lost Communication DTCs diagnostic procedure.

See also:
DTC INDEX
STANDARD PROCEDURE