MIL illumination with DTC P219A and/or P219B – 2011-2015 Mazda CX-9

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2011-2015 CX-9 – MIL ILLUMINATION WITH DTCs P219A:00 AND/OR P219B:00

APPLICABLE MODEL(S)/VINS

2011-2015 CX-9

 

MIL illumination with DTC P219A:00 and/or P219B:00 stored in PCM memory.

DTCDescription
P219A:00Bank 1 Air-Fuel Ratio Imbalance
P219B:00Bank 2 Air-Fuel Ratio Imbalance

 

 

The DTCs may be caused by abnormal electrical noise within the engine harness of certain vehicles.

To eliminate this concern, separate the A/F sensor signal lines from the emission harness by installing the short cord service part.

 

REPAIR PROCEDURE

Summary:

  1. Verify that DTC P219A:00 and/or P219B:00 is stored in PCM memory.

NOTE:

  • The repairs are slightly different depending on which DTC is stored in PCM memory. Be sure to proceed to the correct repair for the DTC that is found.
  • If both DTCs are stored in PCM memory, complete both repairs.
  1. Remove (pull out) four (4) terminals from PCM connector 0140-010B.
  2. Replace the four (4) removed terminals with the correct four (4) short cord terminals.
  3. Route the short cord (A) from connector 0140-010B and the A/F sensor connector 0140-24 (for DTC P219A:00) OR connector 0140-25 (for DTC P219B:00).

 

For DTC P219A:00For DTC P219B:00
short cord (A) from connector 0140-010B and the A/F sensor connector 0140-24 (for DTC P219A:00) OR connector 0140-25 (for DTC P219B:00)

 

  1. Pull out two (2) A/F Sensor terminals (C and E) from connector 0140-24 (for DTC P219A:00) OR connector 0140-25 (for DTC P219B:00), then install them into the short cord connector.

 

REPAIR PROCEDURE FOR DTC P219A:00:

Wiring Diagram:

(A) = Install short cord

(B) = A/F Sensor (RH) terminals C and E

Wiring Diagram

  1. Verify that DTC P219A:00 is stored in PCM memory.
  2. Record the customers preset radio stations.
  3. Remove the engine cover.
  4. Disconnect the negative battery cable.
  5. Remove the battery and battery tray.
  6. Remove the air cleaner element assembly.
  7. DTC P219A:00 only: Remove the resonance chamber (A) and dynamic chamber (B) according to MS3 online instructions or the Workshop Manual (section 01-13).
resonance chamber (A) and dynamic chamber (B)

  1. Disconnect connector 0140-010B from the PCM.
  2. Remove the four (4) terminals (shown below) from connector 0140-010B.

NOTE: Refer to “How to remove terminals” below.

No.TerminalWire Color
12BDWhite/Blue
22ASGray/Blue
32AGWhite/Red
42ACWhite/Green

 

connector 0140-010B

 

How to remove terminals:

lock cover (A)

  • Release the lock lever (A) using the screwdriver (B), then pull the terminal (C) out of the connector.
lock lever (A)

  1. Install the four (4) terminals (shown below) from the short cord into the removed terminals from connector 0140-010B. Refer to the below table for terminal location and short cord wire colors.
connector 0140-010B

 

No.TerminalWire ColorShort Cord Wire Color
12BDWhite/BlueBrown/Blue
22ASGray/BlueWhite
32AGWhite/RedViolet/Green
42ACWhite/GreenWhite/Green

 

  1. Insert the lock cover over the connector, then push the cover down as shown below.
lock cover

  1. Tape the remaining four (4) terminals of connector 0140-010B with electrical tape, then attach them to the harness as shown below.
Tape the remaining four (4) terminals

  1. Route the short cord (A) as shown below.
Route the short cord (A)

  1. Disconnect the A/F connector 0140-24 (A), then (push) release the lock lever (B) to move from the harness.
A/F connector 0140-24 (A)

  1. Remove terminals C (Green) and E (Green/Brown) from connector 0140-24.
terminals C (Green) and E (Green/Brown) from connector 0140-24

 

How to remove terminals:

lock cover (A)

  • Release the lock lever using the screwdriver, then pull the terminal out of the connector.
Release the lock lever

 

  1. Insert the removed terminals from connector 0140-24 into the short cord connector.

 

How to insert terminals into short cord connector:

  • Lift up the short cord connector lock cover (A) half way.
lock cover (A)

  • Insert the terminals (A) into the connector, then push the lock cover down.
terminals (A)

 

  1. Connect the short cord connector to harness connector 0140-24.
  2. Cut off the original connector 0140-24, then discard it.
  3. Tape the ends of the remaining four (4) terminals (A) from the original connector 0140-24, then attach them to the harness using electrical tape as shown below. (B) = short cord connector location.
Tape the ends of the remaining four (4) terminals (A)

  1. Using black tie-wraps (A), attach the short cord to the harness as shown below.

 

attach the short cord to the harness

 

attach the short cord to the harness

 

attach the short cord to the harness

 

  1. DTC P219A:00 only: Reinstall the resonance chamber (A) and dynamic chamber (B) according to MS3 online instructions or the Workshop Manual (section 01-13).

NOTE: Be sure to replace the three (3) dynamic chamber gaskets with new ones.

resonance chamber (A) and dynamic chamber (B)

  1. Reinstall the air cleaner element assembly.
  2. Reinstall the battery and battery tray.
  3. Reconnect the negative battery cable.
  4. Reinstall the engine cover.
  5. Re-enter the customers preset radio stations.

 

REPAIR PROCEDURE FOR DTC P219B:00:

Wiring Diagram:

(A) = Install short cord

(B) = A/F Sensor (LH) terminals C and E

Wiring Diagram

  1. Verify that DTC P219B:00 is stored in PCM memory.
  2. Record the customers preset radio stations.
  3. Remove the engine cover.
  4. Disconnect the negative battery cable.
  5. Remove the battery and battery tray.
  6. Remove the air cleaner element assembly.
  7. Disconnect connector 0140-010B from the PCM.
  8. Remove the four (4) terminals (shown below) from connector 0140-010B.

NOTE: Refer to “How to remove terminals” below.

connector 0140-010B

 

No.Terminal LocationWire Color
12BFYellow/Violet
22AOViolet/Yellow
32AKWhite/Violet
42AEViolet/White

 

How to remove terminals:

lock cover (A)

  • Release the lock lever (A) using the screwdriver (B), then pull out the terminal (C) out of the connector.
lock lever (A)

9. Insert the four (4) terminals from the short cord into the removed terminals from connector 0140-010B. Refer to the below table for terminal location and short cord wire colors.

Insert the four (4) terminals from the short cord

 

No.TerminalWire ColorShort Cord Wire Color
12BFYellow/VioletBrown/Blue
22AOViolet/YellowWhite
32AKWhite/VioletViolet/Green
42AEViolet/WhiteWhite/Green

 

  1. Insert the lock cover over the connector, then push the cover down as shown below.
lock cover

  1. Tape the remaining four (4) terminals of connector 0140-010B with electrical tape, then attach them to the harness as shown below.
Tape the remaining four (4) terminals

  1. Route the short cord (A) as shown below.
Route the short cord (A)

  1. Disconnect the A/F connector 0140-25 (A), then (push) release the lock lever (B) to move from the harness.
A/F connector 0140-25 (A)

  1. Remove terminals C (Green) and E (Gray/Violet) from connector 0140-25.
terminals C (Green) and E (Gray/Violet) from connector 0140-25

 

How to remove terminals:

lock cover (A)

  • Release the lock lever using the screwdriver, then pull out the terminal out of the connector.
lock lever

  1. Insert the removed terminals from connector 0140-25 into the short cord connector.

 

How to insert terminals into short cord connector:

  • Lift up the short cord connector lock cover (A) half way.
lock cover (A)

  • Insert the terminals (A) into the connector, then push the lock cover down.
terminals (A)

  1. Connect the short cord connector to harness connector 0140-25.
  2. Cut off the original connector 0140-25, then discard it.
  3. Tape the ends of the remaining four (4) terminals (A) from the original connector 0140-25 and attach them to the harness using electrical tape as shown below. (B) = short cord connector location.
Tape the ends of the remaining four (4) terminals (A)

  1. Using black tie-wraps (A), attach the short cord to the harness as shown below.

 

attach the short cord to the harness

 

attach the short cord to the harness

 

attach the short cord to the harness

  1. Reinstall the air cleaner element assembly.
  2. Reinstall the battery and battery tray.
  3. Reconnect the negative battery cable.
  4. Reinstall the engine cover.
  5. Re-enter the customers preset radio stations.

 

PART(S) INFORMATION

Part NumberDescriptionQty.Notes
TGY1-67-SH1Short Cord1 or 2For DTCs P219A:00 and/or P219B:00
CY01-13-135 MIL illumination with DTC P219A and/or P219B - 2011-2015 Mazda CX-9 | small lightGasket3Replacement parts for DTC P219A:00 repair only

 


 

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Last update on 2025-04-17 / Affiliate links / Images from Amazon Product Advertising API


 

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