ON-BOARD DIAGNOSYS SYSTEM PID DATA/MONITOR FUNCTION OPERATION (KEYLESS ENTRY SYSTEM)

id0914b5103100

On-board Diagnostic Function

Malfunction detection function

• Detects overall malfunctions in the keyless entry system-related parts.

Display function

• If any malfunction is detected, the keyless warning light (red) in the instrument cluster illuminates to inform the driver of a system malfunction.

Memory function

• Stores malfunctions in the keyless entry system-related parts detected by the malfunction detection function, and the stored malfunction contents are not cleared even if the ignition switch is turned to the LOCK position or the negative battery cable is disconnected.

DTC table

DTC

System malfunction location

Mazda Modular Diagnostic System (M-MDS) display

B1342
Keyless control module internal malfunction
B1134
Unprogrammed card key
B2477
Configuration error
B1317
Keyless control module power supply voltage increases.
B1318
Keyless control module power supply voltage decreases
B2170
Push switch (Steering lock unit)
B1126
Steering lock unit internal malfunction
U0236
Steering lock unit communication system
B1093
Steering lock unit communication error
U0214
Keyless receiver
B1133
Keyless antenna (exterior, RF)
B1132
Keyless antenna (exterior, LF)
B1127
Keyless antenna (Interior, trunk)
B1128
Keyless antenna (Interior, rear)
B1131
Keyless antenna (exterior, rear)
B1129
Keyless antenna (Interior, middle)
B112A
Keyless antenna (Interior, front)
U0323
Communication error to instrument cluster
U0100
Communication error to PCM
U0073
Control module communication error
U0207
Abnormal message from power retractable hardtop control module
U2023
Error signal from CAN related module
B1681*
No detected communication with the coil antenna.
B2103*
Coil malfunction
B1213*
Only one key ID number is programmed.

* :
With immobilizer system

PID/data monitor function

• The PID/data monitor function is used for optionally selecting input/output signal monitor items preset in the keyless control module and reading them out in real-time.

• Use the Mazda Modular Diagnostic System (M-MDS) to read the PID/data monitor.

PID/data monitor table

PID name (definition)

Data contents

Unit/Operation

Terminal

DTC_CNT
Number of continuous DTCs
-
-
RPM
Engine speed
RPM
4Z, 4AA
VSS
Vehicle speed
KPH
4Z, 4AA
VPWR
Supply voltage
V
1F
NUMCARD
Number of programmed card keys
-
-
NUMKEY*
Number of programmed key ID numbers
-
-
DRSW_D
Door switch (driver's door)
CLOSE/OPEN
4T
DRSW_P
Door switch (passenger's door)
CLOSE/OPEN
4Q
REQ_SW_R
Request switch (right side door)
On/Off
4H
REQ_SW_L
Request switch (left side door)
On/Off
4J
REQ_SW_BK
Request switch (trunk lid)
On/Off
4L
LOCK_SW_D
Door lock-link switch (driver's side)
On/Off
4I, 4E
CLS_LOCK
Door lock switch (lock)
On/Off
4B
CLS_UNLOCK
Door lock switch (unlock)
On/Off
4B
KCS_LOCK
Key cylinder switch (lock)
On/Off
4G
KCS_UNLOCK
Key cylinder switch (unlock)
On/Off
4G
IMMOBI
Immobilizer system equipped or not
On*/Off
-
TR/LG_SW
Trunk compartment light switch
CLOSE/OPEN
3Z
IG_KEY_IN
Key reminder switch
Key-In/Key-Out
3O
IG_SW_ST
Ignition switch (Push switch)
Pushed/Not Pushed
3N
BUZZER
Keyless buzzer
On/Off
4Y
PWR_IG1
Power supply (IG1)
On/Off
3B
PWR_ACC
Power supply (ACC)
On/Off
3I
HOOD_SW
Hood latch switch
CLOSE/OPEN
4V
LOCK_SW_P
Door lock-link switch (passenger's side)
On/Off
4R

* :
Vehicles with immobilizer system

Simulation Function

• The simulation function is used for optionally selecting simulation items of output parts preset in the keyless control module, and to operate them regardless of control.

ACTIVE COMMAND MODE TABLE

Command name

Output part name

Unit/Operation

Terminal

BZR_OUT
Keyless beeper
On/Off
4Y
BZR_INN
Interior buzzer (Instrument cluster)
On/Off
4Z, 4AA
LNP_RED
Keyless warning light (red)
On/Off
4Z, 4AA
LNP_GREEN
Keyless indicator light (green)
On/Off
4Z, 4AA
HAZARD
Hazard warning light
On/Off
4N
HORN
Horn
On/Off
4U
ANT_RF
Keyless antenna (exterior, RF)
On/Off
2A, 2B
ANT_LF
Keyless antenna (exterior, LF)
On/Off
2C, 2D
ANT_BK
Keyless antenna (exterior, rear)
On/Off
2E, 2F
ANT_INN1
Keyless antenna (Interior, trunk)
On/Off
2G, 2H
ANT_INN2
Keyless antenna (Interior rear)
On/Off
2I, 2J
ANT_INN3
Keyless antenna (Interior, middle)
On/Off
2K, 2L
ANT_INN4
Keyless antenna (Interior, front)
On/Off
3G, 3H
DR_LOCK
All doors lock
Off/Lock
1A, 1C
DR_UNLOCK
All doors unlock
Off/Unlock
1A, 1C
SUPERLOCK
All doors lock
Off/Lock
1A, 1D