SECURITY LIGHT: 16, DTC: U0100:87/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)]

id09021d356800

DTC

Security light flashing pattern

16

Communication error with PCM (No response)

M-MDS display

Keyless control module

U0100:87

PCM

P1260:00
DETECTION CONDITION
•  Communication error between keyless control module and PCM (no response).
POSSIBLE CAUSE
•  Multiplex communication system DTC is stored (CAN line)
•  PCM malfunction
•  Keyless control module malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
CONFIRM MULTIPLEX COMMUNICATION SYSTEM DTC
•  Clear the DTC from the keyless control module and PCM using the M-MDS.
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: U0001:88
―  PCM: U0073:00
Yes
Go to the applicable DTC inspection.
(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (L.H.D. (MZR-CD 2.2))].)
(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (L.H.D. (EXCEPT MZR-CD 2.2, MZR 2.0 DISI i-stop))].)
(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (L.H.D. (MZR 2.0 DISI i-stop))].)
(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (MZR-CD 2.2))].)
(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (EXCEPT MZR-CD 2.2, MZR 2.0 DISI i-stop, ZY))].)
(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (MZR 2.0 DISI i-stop))].)
(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (ZY))].)
No
Go to the next step.
2
VERIFY PCM MALFUNCTION
•  Clear the DTC from the keyless control module and PCM using the M-MDS.
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: U0100:87
―  PCM: 1260:00
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [LF, L5].)
(See PCM REMOVAL/INSTALLATION [ZY, Z6].)
(See PCM REMOVAL/INSTALLATION [MZ-CD 1.6 (Y6) (EURO4 emission level)].)
(See PCM REMOVAL/INSTALLATION [MZ-CD 1.6 (Y6) (EURO5 emission level)].)
(See PCM REMOVAL/INSTALLATION [MZR-CD 2.2].)
(See PCM REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)
No
Go to Step 4.
3
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC from the keyless control module and PCM using the M-MDS.
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: U0100:87
―  PCM: 1260:00
Yes
Replace the keyless control module, then go to the next step.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION.)
No
Go to the next step.
4
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)].)
No
DTC troubleshooting completed.