LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (On-Board Diagnostic - HS/Ms - Can) >> DETERMINING SHORT BETWEEN CIRCUITS LOCATION (HS-CAN) (Except Mexico specs.) >> Determination Procedure

Determination Procedure

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
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.
Step Inspection Action
1 INSPECT BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
 Yes Go to Step 3.
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 Step 44.
3 INSPECT BETWEEN CONNECTORS C-47 AND C-48 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
 Yes Go to Step 6.
No Go to the next step.
4 INSPECT BETWEEN AFS CONTROL MODULE AND CONNECTORS C-47 AND C-48 FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No Repair or replace the wiring harness between front body control module (FBCM) and connectors C-47 and C-48 because the wiring harness is shorted between circuits.
5 INSPECT AFS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS 
  • Disconnect the AFS control module connector.
  • Inspect for continuity between AFS control module terminals A and B (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the AFS control module and connectors C-47 and C-48 because the wiring harness is shorted between circuits.
No Replace the AFS control module because there is a short between circuits in the AFS control module.
(See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION .)
6 INSPECT BETWEEN CONNECTOR C-04 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
 Yes
  • Go to the next step. (with memory power seat)
  • Go to Step 10. (without memory power seat)
No Repair or replace the wiring harness between connectors C-47 and C-48 and connector C-04 because the wiring harness is shorted between circuits.
7 INSPECT BETWEEN CONNECTORS C-51 AND C-52 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
 Yes Go to Step 10.
No Go to the next step.
8 INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-51 AND C-52 FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No Repair or replace the wiring harness between connector C-04 and connectors C-51 and C-52 because the wiring harness is shorted between circuits.
9 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 connectors C-51 and C-52 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 .)
10 INSPECT BETWEEN CONNECTORS C-54 AND C-55 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
 Yes Go to Step 19.
No Go to the next step.
11 INSPECT BETWEEN OCCUPANT CLASSIFICATION SENSOR AND CONNECTORS C-54 AND C-55 FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No
  • Go to Step 14. (with memory power seat)
  • Go to Step 17. (without memory power seat)
12 INSPECT BETWEEN CONNECTORS C-54 AND C-55 AND CONNECTOR C-20 FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No Repair or replace the wiring harness between connectors C-54 and C-55 and connector C-20 because the wiring harness is shorted between circuits.
13 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 connector C-20 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] .)
14 INSPECT BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-54 AND C-55 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 connectors C-51 and C-52 and connectors C-54 and C-55 because the wiring harness is shorted between circuits.
15 INSPECT BETWEEN CONNECTORS C-54 AND C-55 AND CONNECTOR C-19 FOR SHORT BETWEEN CIRCUITS 
  • Disconnect connector C-19.
  • 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 connectors C-54 and C-55 and connector C-19 because the wiring harness is shorted between circuits.
16 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-19 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 .)
17 INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-54 AND C-55 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 Repair or replace the wiring harness between connector C-04 and connectors C-54 and C-55 because the wiring harness is shorted between circuits.
18 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 connectors C-54 and C-55 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 .)
19 INSPECT BETWEEN CONNECTORS C-49 AND C-50 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
 Yes Go to Step 24.
No Go to the next step.
20 INSPECT BETWEEN AUDIO AMPLIFIER AND CONNECTORS C-49 AND C-50 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 connectors C-49 and C-50 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 AWD CONTROL MODULE AND CONNECTORS C-49 AND C-50 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 connectors C-54 and C-55 and connectors C-49 and C-50 because the wiring harness is shorted between circuits.
23 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 connectors C-49 and C-50 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 .)
24 INSPECT BETWEEN CONNECTOR C-10 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No Repair or replace the wiring harness between connectors C-49 and C-50 and connector C-10 because the wiring harness is shorted between circuits.
25 INSPECT BETWEEN CONNECTOR C-10 AND CONNECTOR C-11 FOR SHORT BETWEEN CIRCUITS 
 Yes Repair or replace the wiring harness between connector C-10 and connector C-11 because the wiring harness is shorted between circuits.
No Go to the next step.
26 INSPECT BETWEEN CONNECTOR C-11 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS 
  • Measure the voltage at DLC-2 terminals F and E.
  • Is the voltage at DLC-2 terminals F and E the same?
 Yes Go to Step 33.
No Go to the next step.
27 INSPECT BETWEEN CONNECTOR C-42 AND CONNECTOR C-11 FOR SHORT BETWEEN CIRCUITS 
 Yes Repair or replace the wiring harness between connector C-42 and connector C-11 because the wiring harness is shorted between circuits.
No Go to the next step.
28 INSPECT BETWEEN LASER SENSOR AND CONNECTOR C-42 FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No Go to Step 30.
29 INSPECT LASER SENSOR FOR SHORT BETWEEN CIRCUITS 
  • Disconnect the laser sensor connector.
  • Inspect for continuity between laser sensor terminals D and C (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the laser sensor and connector C-42 because the wiring harness is shorted between circuits.
No Replace the laser sensor because there is a short between circuits in the laser sensor.
(See LASER SENSOR REMOVAL/INSTALLATION .)
30 INSPECT BETWEEN FORWARD SENSING CAMERA (FSC) AND CONNECTOR C-42 FOR SHORT BETWEEN CIRCUITS 
  • Inspect for continuity between forward sensing camera (FSC) terminals E and C.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness between connector C-11 and connector C-42 because the wiring harness is shorted between circuits.
31 INSPECT BETWEEN CONNECTOR C-42 AND CONNECTOR C-27 FOR SHORT BETWEEN CIRCUITS 
  • Disconnect connector C-27.
  • Inspect for continuity between forward sensing camera (FSC) terminals E and C.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness between connector C-42 and connector C-27 because the wiring harness is shorted between circuits.
32 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 E and C (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-27 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 .)
33 INSPECT BETWEEN DLC-2 AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS 
 Yes Repair or replace the wiring harness between DLC-2 and connector C-35 because the wiring harness is shorted between circuits.
No Go to the next step.
34 INSPECT BETWEEN START STOP UNIT AND CONNECTOR C-35 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 36.
35 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-35 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 .)
36 INSPECT BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND CONNECTOR C-35 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 38.
37 INSPECT CONNECTIVITY MASTER UNIT (CMU) FOR SHORT BETWEEN CIRCUITS 
  • Disconnect the connectivity master unit (CMU) connector.
  • 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 the connectivity master unit (CMU) and connector C-35 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 .)
38 INSPECT BETWEEN EPS CONTROL MODULE AND CONNECTOR C-35 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 40.
39 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-35 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 .)
40 INSPECT BETWEEN SAS CONTROL MODULE AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS 
  • Inspect for continuity between SAS control module terminals 3B and 3C.
  • Is there continuity?
 Yes Go to the next step.
No Go to Step 42.
41 INSPECT SAS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS 
  • Disconnect the SAS control module connector.
  • Inspect for continuity between SAS control module terminals 3B and 3C (wiring harness side).
  • Is there continuity?
 Yes Repair or replace the wiring harness between the SAS control module and connector C-35 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 [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
42 INSPECT BETWEEN INSTRUMENT CLUSTER AND CONNECTOR C-35 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 connector C-35 because the wiring harness is shorted between circuits.
No Go to the next step.
43 INSPECT BETWEEN CONNECTOR C-11 AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS 
 Yes Repair or replace the wiring harness between connector C-11 and connector C-35 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 .)
44 INSPECT BETWEEN CONNECTOR C-01 AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS 
 Yes Repair or replace the wiring harness between connector C-01 and the front body control module (FBCM) because the wiring harness is shorted between circuits.
No Go to the next step.
45 INSPECT BETWEEN TCM AND CONNECTOR C-01 FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No Go to Step 47.
46 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] .)
47 INSPECT BETWEEN CONNECTOR C-32 AND C-01 FOR SHORT BETWEEN CIRCUITS 
 Yes Repair or replace the wiring harness between connector C-32 and connector C-01 because the wiring harness is shorted between circuits.
No Go to the next step.
48 INSPECT BETWEEN DSC HU/CM AND CONNECTOR C-32 FOR SHORT BETWEEN CIRCUITS 
 Yes Go to the next step.
No Go to Step 50.
49 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-32 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 .)
50 INSPECT BETWEEN RADAR UNIT AND CONNECTOR C-32 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 52.
51 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-32 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 .)
52 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-32 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] .)
scientia non olet · About LEMON Manuals