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Home >> Mitsubishi >> 2011 >> Endeavor AWD V6-3.8L (6G75) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Diagnostics Item 2 >> Part 4
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Part 4




STEP 56. Check the CAN_L line (communication line only) between intermediate connector C-24 and G and yaw rate sensor connector for a short to the power supply.
Measure the voltage at intermediate connector C-24.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.





(1)Disconnect intermediate connector C-24 and G and yaw rate sensor connector C-36, and measure the voltage at the wiring harness side of intermediate connector male side (at front wiring harness side).
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between intermediate connector terminal 4 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Go to Step 57 .

NO [The voltage measures more than 1.0 V] Repair the wiring harness between intermediate connector C-24 and the G and yaw rate sensor connector.

STEP 57. Check the CAN_L line (communication line only) between intermediate connector C-24 and joint connector (4) for a short to the power supply. Measure the voltage at joint connector (4) C-101.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.









(1)Disconnect intermediate connector C-24 and joint connector (4) C-101, and measure the voltage at the wiring harness side of joint connector (4) C-101.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between joint connector (4) terminal 1 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Diagnose CAN bus lines thoroughly by referring to Diagnostics Item 10.

NO [The voltage measures more than 1.0 V] Repair the wiring harness between intermediate connector C-24 and joint connector (4).

STEP 58. Check the CAN_L line (communication line including the steering wheel sensor) between joint connector (4) and steering wheel sensor connector for a short to the power supply. Measure the voltage at joint connector (4) C-101.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.





(1)Disconnect joint connector (4) C-101, and measure the voltage at the wiring harness side of joint connector (4) C-101.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between joint connector (4) terminal 2 and body ground.
OK: 4.0 V or less
Q. Does the voltage measure 4.0 V or less?

YES [The voltage measures 4.0 V or less] Go to Step 61 .

NO [The voltage measures more than 4.0 V] Go to Step 59 .

STEP 59. Check steering wheel sensor connector C-312 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





CAUTION:
The strand end of the twist wire should be within 10 cm (4 inches) from the connector. For details refer to Precautions When CAN Bus Line(s) are Repaired.

Q. Is steering wheel sensor connector C-312 in good condition?

YES Go to Step 60 .

NO Repair the damaged parts.

STEP 60. Check the CAN_L line (communication line only) between joint connector (4) and steering wheel sensor connector for a short to the power supply. Measure the voltage at joint connector (4) C-101.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.









(1)Disconnect joint connector (4) C-101 and steering wheel sensor connector C-312, and measure the voltage at the wiring harness side of joint connector (4) C-101.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between joint connector (4) terminal 2 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Diagnose CAN bus lines thoroughly by referring to Diagnostics Item 10.

NO [The voltage measures more than 1.0 V] Repair the wiring harness between joint connector (4) and the steering wheel sensor connector.

STEP 61. Check the CAN_L line [communication line including the multi-center display unit (middle-grade type or Mitsubishi Multi Communication System)] between joint connector (4) and multi-center display connector for a short to the power supply. Measure the voltage at joint connector (4) C-101.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.





(1)Disconnect joint connector (4) C-101, and measure the voltage at the wiring harness side of joint connector (4) C-101.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between joint connector (4) terminal 8 and body ground.
OK: 4.0 V or less
Q. Does the voltage measure 4.0 V or less?

YES [The voltage measures 4.0 V or less] Go to Step 64 .

NO [The voltage measures more than 4.0 V] Go to Step 62 .

STEP 62. Check multi-center display unit (middle-grade type or Mitsubishi Multi Communication System) connector C-06 [multi-center display unit (middle-grade type)]
or C-128 [multi-center display unit (Mitsubishi Multi Communication System)] for loose, corroded or damaged terminals, or terminals pushed back in the connector.





CAUTION:
The strand end of the twist wire should be within 10 cm (4 inches) from the connector. For details refer to Precautions When CAN Bus Line(s) are Repaired.

Q. Is multi-center display unit (middle-grade type or Mitsubishi Multi Communication System) connector C-06[ multi-center display unit (middle-grade type)] or C-128[ multi-center display unit (Mitsubishi Multi Communication System)] in good condition?

YES Go to Step 63 .

NO Repair the damaged parts.

STEP 63. Check the CAN_L line (communication line only) between joint connector (4) and multi-center display unit (middle-grade type or Mitsubishi Multi Communication System) connector for a short to the power supply. Measure the voltage at joint connector (4) C-101.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.









(1)Disconnect joint connector (4) C-101 and multi-center display unit (middle-grade type or Mitsubishi Multi Communication System) connector C-06 [multi-center display unit (middle-grade type)] or C-128 [multi-center display unit (Mitsubishi Multi Communication System)], and measure the voltage at the wiring harness side of joint connector (4) C-101.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between joint connector (4) terminal 8 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Diagnose CAN bus lines thoroughly by referring to Diagnostics Item 10.

NO [The voltage measures more than 1.0 V] Repair the wiring harness between joint connector (4) and the multi-center display unit (middle-grade type or Mitsubishi Multi Communication System) connector.

STEP 64. Check the CAN_L line (communication line only) between joint connector (4) and the data link connector for a short to the power supply. Measure the voltage at joint connector (4) C-101.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.





(1)Disconnect joint connector (4) C-101, and measure the voltage at the wiring harness side of joint connector (4) C-101.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between joint connector (4) terminal 5 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Go to Step 65 .

NO [The voltage measures more than 1.0 V] Repair the wiring harness between joint connector (4) and the data link connector.

STEP 65. Check the CAN_L line (communication line only) between intermediate connector C-31 and joint connector (4) for a short to the power supply. Measure the voltage at joint connector (4) C-101.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.





(1)Disconnect intermediate connector C-31 and joint connector (4) C-101, and measure the voltage at the wiring harness side of joint connector (4) C-101.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between joint connector (4) terminal 9 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Diagnose CAN bus lines thoroughly by referring to Diagnostics Item 10.

NO [The voltage measures more than 1.0 V] Repair the wiring harness between intermediate connector C-31 and joint connector (4).

STEP 66. Check TCL/ASC-ECU connector A-32 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





CAUTION:
The strand end of the twist wire should be within 10 cm (4 inches) from the connector. For details refer to Precautions When CAN Bus Line(s) are Repaired.

Q. Is TCL/ASC-ECU connector A-32 in good condition?

YES Go to Step 67 .

NO Repair the damaged parts.

STEP 67. Check the CAN_L line (communication line only) between intermediate connector C-31 and TCL/ASC-ECU connector for a short to the power supply. Measure the voltage at intermediate connector C-31.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.









(1)Disconnect intermediate connector C-31 and TCL/ASC-ECU connector A-32, and measure the voltage at the male side of intermediate connector C-31 (at front wiring harness side).
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between intermediate connector terminal 12 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Go to Step 68 .

NO [The voltage measures more than 1.0 V] Repair the wiring harness between intermediate connector C-31 and TCL/ASC-ECU connector.

STEP 68. Check the CAN_L line (communication line only) between the powertrain control module connector and TCL/ASC-ECU connector for a short to the power supply. Measure voltage at powertrain control module connector B-18.

CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.









(1)Disconnect powertrain control module connector B-18 and TCL/ASC-ECU connector A-32, and measure the voltage at the harness side of powertrain control module connector B-18.
(2)Turn the ignition switch to the "ON" position.





(3)Measure the voltage between powertrain control module connector terminal 18 and body ground.
OK: 1.0 V or less
CAUTION:
Strictly observe the specified wiring harness repair procedure.
For details refer to Precautions on How to Repair the CAN Bus Line(s).

Q. Does the voltage measure 1.0 V or less?

YES [The voltage measures 1.0 V or less] Go to Step 69 .

NO [The voltage measures more than 1.0 V] Repair the wiring harness between powertrain control module connector and TCL/ASC-ECU connector.

STEP 69. Check the CAN_L line inside the TCL/ASC-ECU for a short to the power supply. Measure the voltage at TCL/ASC-ECU connector A-32 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





CAUTION:
A digital multimeter should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

CAUTION:
The test wiring harness should be used. For details refer to Precautions When CAN Bus Line(s) are Repaired.

(1)Disconnect TCL/ASC-ECU connector A-32.





(2)Connect special tool MB991952 (ABS check harness) to the TCL/ASC-ECU and the wiring harness, and measure the voltage at special tool MB991952 (ABS check harness).
(3)Turn the ignition switch to the "ON" position.
(4)Measure the voltage between special tool MB991952 (ABS check harness) connector terminal 14 and body ground.
OK: 4.0 V or less
Q. Does the voltage measure 4.0 V or less?

YES [The voltage measures 4.0 V or less] Diagnose CAN bus lines thoroughly by referring to Diagnostics Item 10.

NO [The voltage measures more than 4.0 V] Replace the TCL/ASC-ECU.

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