DTC B2352: Antenna fail: Diagnosis

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Required Special Tools:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicles Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A

STEP 1. Check receiver antenna module connector C-08, KOS-ECU connector C-05 and joint connector (6) C-16 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Is the receiver antenna module connector C-08, KOS-ECU connector C-05 and joint connector (6) C-16 in good condition?

YES : Go to Step 2.

NO : Repair the defective connector.
STEP 2. Check the wiring harness between the receiver antenna module connector C-08 (terminal Nos. 2, 1, 8, 12) and the KOS-ECU connector C-05 (terminal Nos. 11, 12, 32, 7) for open circuit.
1. Disconnect reciever anntena module connector C-08 and KOS-ECU connector C-05, and check the wiring harness.
2. Check the wiring harness between reciever anntena module connector C-08 (terminal No.2) and KOS-ECU connector C-05 (terminal No.11)
  OK: Continuity exists (2 Ω or less)
  
  Fig 1: Checking Continuity Between Connector Terminal 2 And 11
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
3. Check the wiring harness between reciever anntena module connector C-08 (terminal No.1) and KOS-ECU connector C-05 (terminal No.12)
  OK: Continuity exists (2 Ω or less)
  
  Fig 2: Checking Continuity Between Connector Terminal 1 And 12
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. Check the wiring harness between reciever anntena module connector C-08 (terminal No.8) and KOS-ECU connector C-05 (terminal No.32)
  OK: Continuity exists (2 Ω or less)
  
  Fig 3: Checking Continuity Between Connector Terminal 8 And 32
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
5. Check the wiring harness between reciever anntena module connector C-08 (terminal No.12) and KOS-ECU connector C-05 (terminal No.7)
  OK: Continuity exists (2 Ω or less)
  
  Fig 4: Checking Continuity Between Connector Terminal 12 And 7
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between receiver antenna module connector C-08 (terminal Nos. 2, 1, 8, 12) and the KOS-ECU connector C-05 (terminal Nos. 11, 12, 32, 7) in good condition?

YES : Go to Step 3.

NO (receiver antenna module connector C-08 terminal No.2 - KOS-ECU connector C-05 terminal No.11.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 2) and the KOS-ECU connector C-05 (terminal No. 11).

NO (receiver antenna module connector C-08 terminal No.1 - KOS-ECU connector C-05 terminal No.12.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 1) and the KOS-ECU connector C-05 (terminal No. 12).

NO (receiver antenna module connector C-08 terminal No.8 - KOS-ECU connector C-05 terminal No.32.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 8) and the KOS-ECU connector C-05 (terminal No. 32).

NO (receiver antenna module connector C-08 terminal No.12 - KOS-ECU connector C-05 terminal No.7.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 12) and the KOS-ECU connector C-05 (terminal No. 7).
STEP 3. Check the wiring harness between the receiver antenna module connector C-08 (terminal Nos. 2, 1, 8, 12) and the ground for short circuit.
1. Disconnect reciever anntena module connector C-08, and check the wiring harness.
2. Check the wiring harness between reciever anntena module connector C-08 (terminal No.2) and ground
  OK: No Continuity
  
  Fig 5: Checking Wiring Harness Between Reciever Anntena Module Connector C-08 Terminal 2 And Ground
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
3. Check the wiring harness between reciever anntena module connector C-08 (terminal No.1) and ground
  OK: No Continuity
  
  Fig 6: Checking Wiring Harness Between Reciever Anntena Module Connector C-08 Terminal 1 And Ground
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. Check the wiring harness between reciever anntena module connector C-08 (terminal No.8) and ground
  OK: No Continuity
  
  Fig 7: Checking Wiring Harness Between Reciever Anntena Module Connector C-08 Terminal 8 And Ground
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
5. Check the wiring harness between reciever anntena module connector C-08 (terminal No.12) and ground
  OK: No Continuity
  
  Fig 8: Checking Wiring Harness Between Reciever Anntena Module Connector C-08 Terminal 12 And Ground
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between receiver antenna module connector C-08 (terminal Nos. 2, 1, 8, 12) and the ground in good condition?

YES : Go to Step 4.

NO (receiver antenna module connector C-08 terminal No.2 - ground.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 2) and the ground.

NO (receiver antenna module connector C-08 terminal No.1 - ground.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 1) and the ground.

NO (receiver antenna module connector C-08 terminal No.8 - ground.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 8) and the ground.

NO (receiver antenna module connector C-08 terminal No.12 - ground.) : Repair the wiring harness between receiver antenna module connector C-08 (terminal No. 12) and the ground.
STEP 4. Replace the receiver antenna module, and check whether the diagnostic trouble code is reset.
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
1. Connect scan tool MB991958. Refer to "HOW TO CONNECT SCAN TOO (M.U.T.-III) ".
  
  Fig 9: Connecting Special Tool MB991910 To Data Link Connector
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. Erase the DTC.
3. Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
4. Check if the DTC is set.
Q: Is the DTC set?

YES : Replace KOS-ECU and register the ID codes (Refer to ID CODE REGISTRATION NECESSITY JUDGMENT TABLE ).

NO : The procedure is complete.