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Determination Procedure

CAUTION:
  • When disconnecting the connector, verify that there is no looseness, damage, deformation, corrosion, or poor connection of the connector terminals.
  • When inspecting the DLC-2, touch it with a paper clip or similar thin pin without directly inserting a tester into the terminals.
  • Disconnect the negative battery terminal before performing any work that requires handling of connectors.
Step Inspection Action
1 INSPECT BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to Step 11.
No Go to the next step.
2 INSPECT FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS Yes Replace the front body control module (FBCM) because there is a short between circuits in the front body control module (FBCM).
(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION .)
No Go to the next step.
3 INSPECT BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND CONNECTOR C-01 FOR SHORT BETWEEN CIRCUITS
  • Disconnect connector C-01.
  • Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I.
  • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Switch the ignition ON (engine off).
  • Measure the voltage at DLC-2 terminals F and E.
  • Is the voltage at DLC-2 terminals F and E the same?
 Yes Repair or replace the wiring harness between the front body control module (FBCM) and connector C-01 because the wiring harness is shorted between circuits.
No Go to the next step.
4 INSPECT BETWEEN TCM AND CONNECTOR C-01 FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Go to Step 6.
5 INSPECT TCM FOR SHORT BETWEEN CIRCUITS
  • Disconnect the TCM connector.
  • Inspect for continuity between TCM terminals E and F (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the TCM and connector C-01 because the wiring harness is shorted between circuits.
No Replace the TCM because there is a short between circuits in the TCM.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL, FW6AX-EL].)
6 INSPECT BETWEEN CONNECTOR C-01 AND CONNECTOR C-53 FOR SHORT BETWEEN CIRCUITS
  • Disconnect connector C-53.
  • Connect connector C-01.
  • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Switch the ignition ON (engine off).
  • Measure the voltage at DLC-2 terminals F and E.
  • Is the voltage at DLC-2 terminals F and E the same?
 Yes Repair or replace the wiring harness between connector C-01 and connector C-53 because the wiring harness is shorted between circuits.
No Go to the next step.
7 INSPECT BETWEEN DSC HU/CM AND CONNECTOR C-53 FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Go to Step 9.
8 INSPECT DSC HU/CM FOR SHORT BETWEEN CIRCUITS
  • Disconnect the DSC HU/CM connector.
  • Inspect for continuity between DSC HU/CM terminals AF and AC (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the DSC HU/CM and connector C-53 because the wiring harness is shorted between circuits.
No Replace the DSC HU/CM because there is a short between circuits in the DSC HU/CM.
(See DSC HU/CM REMOVAL/INSTALLATION .)
9 INSPECT BETWEEN RADAR UNIT AND CONNECTOR C-53 FOR SHORT BETWEEN CIRCUITS
  • Inspect for continuity between radar unit terminals D and C.
  • Is there continuity?
 Yes Go to the next step.
No Go to Step 50.
10 INSPECT RADAR UNIT FOR SHORT BETWEEN CIRCUITS
  • Disconnect the radar unit connector.
  • Inspect for continuity between radar unit terminals D and C (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the radar unit and connector C-53 because the wiring harness is shorted between circuits.
No Replace the radar unit because there is a short between circuits in the radar unit.
(See RADAR UNIT REMOVAL/INSTALLATION .)
11 INSPECT BETWEEN CONNECTORS C-55, C-54 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to Step 14.
No Go to the next step.
12 INSPECT BETWEEN ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE/AUTO LEVELING CONTROL MODULE AND CONNECTORS C-55, C-54 FOR SHORT BETWEEN CIRCUITS
  • Switch the ignition off (LOCK).
  • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Inspect for continuity between adaptive front lighting system (AFS) control module/auto leveling control module terminals A and B.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness between front body control module (FBCM) and connectors C-55, C-54 because the wiring harness is shorted between circuits.
13 INSPECT ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE/AUTO LEVELING CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
  • Disconnect the adaptive front lighting system (AFS) control module/auto leveling control module connector.
  • Inspect for continuity between adaptive front lighting system (AFS) control module/auto leveling control module terminals A and B (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the adaptive front lighting system (AFS) control module/auto leveling control module and connectors C-55, C-54 because the wiring harness is shorted between circuits.
No Replace the adaptive front lighting system (AFS) control module/auto leveling control module because there is a short between circuits in the adaptive front lighting system (AFS) control module/auto leveling control module.
(See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION .)
(See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION .)
14 INSPECT BETWEEN CONNECTOR C-08 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Repair or replace the wiring harness between connector C-08 and connectors C-55, C-54 because the wiring harness is shorted between circuits.
15 INSPECT BETWEEN CONNECTOR C-24 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to Step 19.
No Go to the next step.
16 INSPECT BETWEEN POWER LIFTGATE (PLG) CONTROL MODULE AND CONNECTOR C-24 FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Repair or replace the wiring harness between the connector C-08 and connector C-24 because the wiring harness is shorted between circuits.
17 INSPECT BETWEEN POWER LIFTGATE (PLG) CONTROL MODULE AND CONNECTOR C-74 FOR SHORT BETWEEN CIRCUITS
  • Disconnect connector C-74.
  • Inspect for continuity between power liftgate (PLG) control module terminals 1B and 1A.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness between the connector C-74 and connector C-24 because the wiring harness is shorted between circuits.
18 INSPECT POWER LIFTGATE (PLG) CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
  • Disconnect the power liftgate (PLG) control module connector.
  • Inspect for continuity between power liftgate (PLG) control module terminals 1B and 1A (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the power liftgate (PLG) control module and connector C-74 because the wiring harness is shorted between circuits.
No Replace the power liftgate (PLG) control module because there is a short between circuits in the power liftgate (PLG) control module.
(See POWER LIFTGATE (PLG) CONTROL MODULE REMOVAL/INSTALLATION .)
19 INSPECT BETWEEN CONNECTOR C-71 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to Step 26.
No Go to the next step.
20 INSPECT BETWEEN AUDIO AMPLIFIER AND CONNECTOR C-71 FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Go to Step 22.
21 INSPECT AUDIO AMPLIFIER FOR SHORT BETWEEN CIRCUITS
  • Disconnect the audio amplifier connector.
  • Inspect for continuity between audio amplifier terminals 2L and 2N (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the audio amplifier and connector C-71 because the wiring harness is shorted between circuits.
No Replace the audio amplifier because there is a short between circuits in the audio amplifier.
(See AUDIO AMPLIFIER REMOVAL/INSTALLATION .)
22 INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTOR C-71 FOR SHORT BETWEEN CIRCUITS
  • Inspect for continuity between electric parking brake control module terminals 2G and 2F.
  • Is there continuity?
 Yes Go to the next step.
No Go to Step 24.
23 INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
  • Disconnect the electric parking brake control module connector.
  • Inspect for continuity between electric parking brake control module terminals 2G and 2F (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the electric parking brake control module and connector C-71 because the wiring harness is shorted between circuits.
No Replace the electric parking brake control module because there is a short between circuits in the electric parking brake control module.
(See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION .)
24 INSPECT BETWEEN AWD CONTROL MODULE AND CONNECTOR C-71 FOR SHORT BETWEEN CIRCUITS
  • Inspect for continuity between AWD control module terminals G and H.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness between connector C-24 and connector C-71 because the wiring harness is shorted between circuits.
25 INSPECT AWD CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
  • Disconnect the AWD control module connector.
  • Inspect for continuity between AWD control module terminals G and H (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the AWD control module and connector C-71 because the wiring harness is shorted between circuits.
No Replace the AWD control module because there is a short between circuits in the AWD control module.
(See AWD CONTROL MODULE REMOVAL/INSTALLATION .)
26 INSPECT BETWEEN CONNECTORS C-72, C-73 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to Step 32.
No Go to the next step.
27 INSPECT BETWEEN OCCUPANT CLASSIFICATION SENSOR AND CONNECTORS C-72, C-73 FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Go to Step 29.
28 INSPECT OCCUPANT CLASSIFICATION SENSOR FOR SHORT BETWEEN CIRCUITS
  • Disconnect the occupant classification sensor connector.
  • Inspect for continuity between occupant classification sensor terminals 3D and 3C (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the occupant classification sensor and connectors C-72, C-73 because the wiring harness is shorted between circuits.
No Replace the occupant classification sensor because there is a short between circuits in the occupant classification sensor.
(See OCCUPANT CLASSIFICATION SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
29 INSPECT BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-72, C-73 FOR SHORT BETWEEN CIRCUITS
  • Inspect for continuity between position memory control module terminals 1C and 1E.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness between connector C-71 and connectors C-72, C-73 because the wiring harness is shorted between circuits.
30 INSPECT BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTOR C-31 FOR SHORT BETWEEN CIRCUITS
  • Disconnect connector C-31.
  • Inspect for continuity between position memory control module terminals 1C and 1E.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness between connector C-31 and connectors C-72, C-73 because the wiring harness is shorted between circuits.
31 INSPECT POSITION MEMORY CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
  • Disconnect the position memory control module connector.
  • Inspect for continuity between position memory control module terminals 1C and 1E (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the position memory control module and connector C-31 because the wiring harness is shorted between circuits.
No Replace the position memory control module because there is a short between circuits in the position memory control module.
(See POSITION MEMORY CONTROL MODULE REMOVAL/INSTALLATION .)
32 INSPECT BETWEEN CONNECTOR C-16 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Repair or replace the wiring harness between connector C-16 and connectors C-72, C-73 because the wiring harness is shorted between circuits.
33 INSPECT BETWEEN CONNECTOR C-19 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS Yes Go to Step 36.
No Go to the next step.
34 INSPECT BETWEEN FORWARD SENSING CAMERA (FSC) AND CONNECTOR C-19 FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Repair or replace the wiring harness between connector C-16 and connector C-19 because the wiring harness is shorted between circuits.
35 INSPECT FORWARD SENSING CAMERA (FSC) FOR SHORT BETWEEN CIRCUITS
  • Disconnect the forward sensing camera (FSC) connector.
  • Inspect for continuity between forward sensing camera (FSC) terminals M and N (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-19 because the wiring harness is shorted between circuits.
No Replace the forward sensing camera (FSC) because there is a short between circuits in the forward sensing camera (FSC).
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .)
36 INSPECT BETWEEN CONNECTOR C-64 AND DLC-2 FOR SHORT BETWEEN CIRCUITS Yes Repair or replace the wiring harness between connector C-64 and DLC-2 because the wiring harness is shorted between circuits.
No Go to the next step.
37 INSPECT BETWEEN START STOP UNIT AND CONNECTOR C-64 FOR SHORT BETWEEN CIRCUITS
  • Inspect for continuity between start stop unit terminals 2M and 2O.
  • Is there continuity?
 Yes Go to the next step.
No Go to Step 39.
38 INSPECT START STOP UNIT FOR SHORT BETWEEN CIRCUITS
  • Disconnect the start stop unit connector.
  • Inspect for continuity between start stop unit terminals 2M and 2O (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the start stop unit and connector C-64 because the wiring harness is shorted between circuits.
No Replace the start stop unit because there is a short between circuits in the start stop unit.
(See START STOP UNIT REMOVAL/INSTALLATION .)
39 INSPECT BETWEEN EPS CONTROL MODULE AND CONNECTOR C-64 FOR SHORT BETWEEN CIRCUITS
  • Inspect for continuity between EPS control module terminals 2B and 2D.
  • Is there continuity?
 Yes Go to the next step.
No Go to Step 41.
40 INSPECT EPS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
  • Disconnect the EPS control module connector.
  • Inspect for continuity between EPS control module terminals 2B and 2D (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the EPS control module and connector C-64 because the wiring harness is shorted between circuits.
No Replace the EPS control module because there is a short between circuits in the EPS control module.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
41 INSPECT BETWEEN CONNECTOR C-64 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
  • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Switch the ignition ON (engine off).
  • Measure the voltage at instrument cluster terminals B and D.
  • Is the voltage at instrument cluster terminals B and D the same?
 Yes Go to the next step.
No Repair or replace the wiring harness between the connector C-19 and connector C-64 because the wiring harness is shorted between circuits.
42 INSPECT BETWEEN CONNECTOR C-64 AND CONNECTOR C-63 FOR SHORT BETWEEN CIRCUITS Yes Repair or replace the wiring harness between the connector C-64 and connector C-63 because the wiring harness is shorted between circuits.
No Go to the next step.
43 INSPECT BETWEEN SAS CONTORL MODULE AND CONNECTOR C-63 FOR SHORT BETWEEN CIRCUITS Yes Go to the next step.
No Go to Step 45.
44 INSPECT SAS CONTORL MODULE FOR SHORT BETWEEN CIRCUITS
  • Disconnect the connectivity SAS control module.
  • Inspect for continuity between SAS control module terminals 3Q and 3S (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between SAS control module and connector C-63 because the wiring harness is shorted between circuits.
No Replace the SAS control module because there is a short between circuits in the SAS control module.
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM - MEXICO SPEC.] .)
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
45 INSPECT BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND CONNECTOR C-63 FOR SHORT BETWEEN CIRCUITS
  • Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F.
  • Is there continuity?
 Yes Go to the next step.
No Go to Step 47.
46 INSPECT CONNECTIVITY MASTER UNIT (CMU) FOR SHORT BETWEEN CIRCUITS
  • Disconnect the connectivity master unit (CMU).
  • Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between connectivity master unit (CMU) and connector C-63 because the wiring harness is shorted between circuits.
No Replace the connectivity master unit (CMU) because there is a short between circuits in the connectivity master unit (CMU).
(See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION .)
47 INSPECT BETWEEN ACTIVE DRIVING DISPLAY AND CONNECTOR C-63 FOR SHORT BETWEEN CIRCUITS
  • Disconnect the active driving display connector.
  • Connect connector C-63.
  • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Switch the ignition ON (engine off).
  • Measure the voltage at DLC-2 terminals F and E.
  • Is the voltage at DLC-2 terminals F and E the same?
 Yes Repair or replace the wiring harness between active driving display and connector C-63 because the wiring harness is shorted between circuits.
No Go to the next step.
48 INSPECT ACTIVE DRIVING DISPLAY FOR SHORT BETWEEN CIRCUITS
  • Switch the ignition off (LOCK).
  • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Inspect for continuity between active driving display terminals I and K (wiring harness side).
  • Is there continuity?
 Yes Replace the active driving display because there is a short between circuits in the active driving display.
(See ACTIVE DRIVING DISPLAY REMOVAL/INSTALLATION .)
No Go to the next step.
49 INSPECT INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
  • Disconnect the instrument cluster connector.
  • Inspect for continuity between instrument cluster terminals B and D (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the instrument cluster and active driving display because the wiring harness is shorted between circuits.
No Replace the instrument cluster because there is a short between circuits in the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
50 INSPECT PCM FOR SHORT BETWEEN CIRCUITS
  • Disconnect the PCM connector.
  • Inspect for continuity between PCM terminals 2AK and 2AL (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the PCM and connector C-53 because the wiring harness is shorted between circuits.
No Replace the PCM because there is a short between circuits in the PCM.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
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