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Diagnostic procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has the FREEZE FRAME DATA been recorded on the repair order?
 Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?
 Yes Perform repair or diagnosis according to the available repair information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY DTC HAVE BEEN PRESENTED 
  • Switch the ignition to off, then to ON (Engine off).
  • Read the DTC in the BCM.
  • Is the DTC 113003:16 output?
 Yes Perform the "DTC 113003:16 Troubleshooting".
(See DTC U3003:16/U3003:17 [BCM] .)
No Go to the next step.
4 INSPECT TCM CONNECTOR FOR POOR CONNECTION 
  • Switch the ignition to off.
  • Disconnect the TCM connector.
  • Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
  • Is there any malfunction?
 Yes Repair or replace the terminal, then go to Step 15.
No Go to the next step.
5 INSPECT B+ CIRCUIT 
  • Disconnect the TCM connector.
  • Switch the ignition to ON. (engine off).
  • Measure the voltage between the TCM terminal A1 (wiring harness-side) and body GND.
  • Is the voltage B+?
 Yes Go to go to Step 9.
No Go to the next step.
6 INSPECT B+ CIRCUIT FOR SHORT TO GND 
  • Switch the ignition to off.
  • Disconnect both battery cables.
  • Inspect for continuity between TCM terminal A1 (wiring harness-side) and body GND.
  • Is there continuity?
 Yes Repair or replace the wiring harness for a possible short to GND, then go to Step 15.
No Go to the next step.
7 INSPECT BCM CONNECTOR FOR POOR CONNECTION 
  • Switch the ignition to off.
  • Disconnect the BCM connector.
  • Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
  • Is there any malfunction?
 Yes Repair or replace the terminal, then go to Step 15.
No Go to the next step.
8 INSPECT B+ CIRCUIT FOR OPEN CIRCUIT 
  • Switch the ignition to off.
  • Inspect for continuity between BCM terminal 2G (wiring harness-side) and TCM terminal A1 (wiring harness-side).
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness for a possible open circuit, then go to Step 15.
9 INSPECT IG1 CIRCUIT 
  • Disconnect the TCM connector.
  • Switch the ignition to ON. (engine off).
  • Measure the voltage between the TCM terminal A11 (wiring harness-side) and body GND.
  • Is the voltage B+?
 Yes Go to go to Step 14.
No Go to the next step.
10 INSPECT IG1 CIRCUIT FOR SHORT TO GND 
  • Switch the ignition to off.
  • Disconnect both battery cables.
  • Inspect for continuity between TCM terminal A11 (wiring harness-side) and body GND.
  • Is there continuity?
 Yes Repair or replace the wiring harness for a possible short to GND, then go to Step 15.
No Go to the next step.
11 INSPECT TCM 20A FUSE 
  • Switch the ignition to off.
  • Inspect the TCM 20A fuse for proper installation and failure.
  • Is it normal?
 Yes Go to the next step.
No
  • If the fuse is not installed correctly, install it correctly, then go to Step 15.
  • If fuse has been melted, replace it, then go to Step 15.
12 INSPECT TCM 20A FUSE TERMINAL FOR POOR CONNECTION 
  • Switch the ignition to off.
  • Inspect for poor connection (such as damaged, corrosion)
  • Is there any malfunction?
 Yes Repair or replace the terminal, then go to Step 15.
No Go to the next step.
13 INSPECT IG1 CIRCUIT FOR OPEN CIRCUIT 
  • Switch the ignition to off.
  • Inspect for continuity between battery positive terminal (wiring harness-side) and TCM terminal A11 (wiring harness-side).
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness for a possible open circuit, then go to Step 15.
14 INSPECT GND CIRCUIT FOR OPEN CIRCUIT 
  • Switch the ignition to off.
  • Inspect for continuity between TCM terminal A9 (wiring harness-side) and body GND.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace the wiring harness for a possible open circuit, then go to the next step.
15 VERIFY TROUBLESHOOTING OF DTC P0882:00 COMPLETED 
  • Make sure to reconnect all the disconnected connectors.
  • Clear the DTC using the M-MDS.
  • Perform the following procedure to ensure that the DTC has been resolved:
    1. Start the engine.
    2. Warm up the engine and transaxle.
    3. Drive the vehicle in D range and make sure that the gears shift smoothly from 1GR to 6GR.
  • Is the same DTC present?
 Yes Replace the TCM, then go to the next step.
(See TCM REMOVAL/INSTALLATION [AW6A-EL] .)
No Go to the next step.
16 VERIFY NO DTC HAS BEEN PRESENTED 
 Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [AW6A-EL] .)
No DTC troubleshooting completed.
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