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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (On-Board Diagnostic - AWD System) >> DTC P1887-11; P1887-12; P1887-13; P1887-14; AWD Solenoid Circuits >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different variant/trim than selected.
DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 INSPECT AWD SOLENOID CONDITION
  • Switch the ignition to OFF.
  • Disconnect AWD solenoid connector.
  • Inspect AWD solenoid. (See AWD SOLENOID INSPECTION .)
  • Is AWD solenoid normal?
 Yes Go to next step.
No Replace AWD solenoid, then go to Step 8.
2 INSPECT AWD SOLENOID TO AWD CM (POWER SUPPLY CIRCUIT) FOR OPEN CIRCUIT
  • Disconnect AWD CM connector.
  • Inspect for continuity between AWD CM terminal O and AWD solenoid terminal A.
  • Is there continuity?
 Yes Go to next step.
No Repair or replace harness for open circuit between AWD CM and AWD solenoid, then go to Step 8.
3 INSPECT AWD SOLENOID TO AWD CM (POWER SUPPLY CIRCUIT) FOR SHORT TO GROUND
  • Inspect for continuity between AWD CM terminal O and ground.
  • Is there continuity?
 Yes Repair or replace harness for short to ground between AWD CM and AWD solenoid, then go to Step 8.
No Go to next step.
4 INSPECT AWD SOLENOID TO AWD CM (GROUND CIRCUIT) FOR OPEN CIRCUIT
  • Inspect for continuity between AWD CM terminal P and AWD solenoid terminal B.
  • Is there continuity?
 Yes Go to next step.
No Repair or replace harness for open circuit between AWD CM and AWD solenoid, then go to Step 8.
5 INSPECT AWD SOLENOID TO AWD CM (GROUND CIRCUIT) FOR SHORT TO GROUND
  • Inspect for continuity between AWD CM terminal P and ground.
  • Is there continuity?
 Yes Repair or replace harness for short to ground between AWD CM and AWD solenoid, then go to Step 8.
No Go to next step.
6 INSPECT AWD CM POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
  • Measure voltage between AWD CM terminal K and ground.
  • Is voltage B+?
 Yes Replace AWD CM, then go to Step 9.
(See AWD CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to next step.
7 INSPECT FUSE CONDITION
  • Turn ignition key to OFF.
  • Is AT (15A) fuse normal?
 Yes Repair or replace harness for open circuit between battery and AWD CM, then go to next step.
No Replace fuse, then go to next step.
8 VERIFY TROUBLESHOOTING COMPLETED Yes Replace AWD CM, then go to next step.
(See AWD CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to next step.
9 VERIFY AFTER REPAIR PROCEDURE
  • Is there any other DTC present?
 Yes Go to applicable DTC inspection.
No Troubleshooting completed.
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