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Mazda CX 7. Manual - part 328

ON-BOARD DIAGNOSTIC [ADVANCED KEYLESS SYSTEM]

09-02A–9

09-02A

End Of Sie

DTC B1132[ADVANCED KEYLESS SYSTEM]

id0902e1803100

Diagnostic procedure

End Of Sie

DTC B1128[ADVANCED KEYLESS SYSTEM]

id0902e1803300

Diagnostic procedure

End Of Sie

DTC B1132

Keyless antenna (exterior, RF)

DETECTION

CONDITION

• Keyless antenna dose not operated.

POSSIBLE

CAUSE

• Keyless antenna (exterior, RF) malfunction

• Open or short circuit in wiring harness between keyless control module and keyless antenna

• Keyless control module malfunction

STEP

INSPECTION

ACTION

INSPECT COMMUNICATION CIRCUIT FOR
CONTINUITY

• Disconnect keyless control module

connector and keyless antenna (exterior, RF)
connector.

• Inspect the continuity between the following

connector terminals.
— keyless control module: 1C—keyless

antenna: A

— keyless control module: 1D—keyless

antenna: B

• Is there continuity?

Yes

Replace keyless antenna (exterior, RF).
(See 09-14-37 KEYLESS ANTENNA REMOVAL/
INSTALLATION[ADVANCED KEYLESS SYSTEM].)
Go to next step.

Repair the wiring harness between the keyless antenna
(exterior, RF) and keyless control module.
Go to next step.

INSPECT KEYLESS CONTROL MODULE

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

— M-MDS: B1132

Yes

Replace the keyless control module and perform the
resetting procedure for the advanced keyless system when
replacing the keyless control module.
(See 09-14-30 KEYLESS CONTROL MODULE REMOVAL/
INSTALLATION[ADVANCED KEYLESS SYSTEM].)

DTC troubleshooting completed.

DTC B1128

Keyless antenna (interior, rear)

DETECTION

CONDITION

• Keyless antenna dose not operated.

POSSIBLE

CAUSE

• Keyless antenna (interior, rear) malfunction

• Open or short circuit in wiring harness between keyless control module and keyless antenna

• Keyless control module malfunction

STEP

INSPECTION

ACTION

INSPECT COMMUNICATION CIRCUIT FOR
CONTINUITY

• Disconnect keyless control module

connector and keyless antenna (interior,
rear) connector.

• Inspect the continuity between the following

connector terminals.
— keyless control module: 1I—keyless

antenna: A

— keyless control module: 1J—keyless

antenna: B

• Is there continuity?

Yes

Replace keyless antenna (interior, rear).
(See 09-14-37 KEYLESS ANTENNA REMOVAL/
INSTALLATION[ADVANCED KEYLESS SYSTEM].)
Go to next step.

Repair the wiring harness between the keyless antenna
(interior, rear) and keyless control module.
Go to next step.

INSPECT KEYLESS CONTROL MODULE

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

— M-MDS: B1128

Yes

DTC troubleshooting completed.

1871-1U-06B(09-02A).fm 9 ページ２００６年３月１５日　水曜日　午前１１時３８分

ON-BOARD DIAGNOSTIC [ADVANCED KEYLESS SYSTEM]

09-02A–10

DTC B1131[ADVANCED KEYLESS SYSTEM]

id0902e1803400

Diagnostic procedure

End Of Sie

DTC B1129[ADVANCED KEYLESS SYSTEM]

id0902e1803500

Diagnostic procedure

End Of Sie

DTC B1131

Keyless antenna (exterior, rear)

DETECTION

CONDITION

• Keyless antenna dose not operated.

POSSIBLE

CAUSE

• Keyless antenna (exterior, rear) malfunction

• Open or short circuit in wiring harness between keyless control module and keyless antenna

• Keyless control module malfunction

STEP

INSPECTION

ACTION

INSPECT COMMUNICATION CIRCUIT FOR
CONTINUITY

• Disconnect keyless control module

connector and keyless antenna (exterior,
rear) connector.

• Inspect the continuity between the following

connector terminals.
— keyless control module: 1E—keyless

antenna: A

— keyless control module: 1F—keyless

antenna: B

• Is there continuity?

Yes

Replace keyless antenna (exterior, rear).
(See 09-14-37 KEYLESS ANTENNA REMOVAL/
INSTALLATION[ADVANCED KEYLESS SYSTEM].)
Go to next step.

Repair the wiring harness between the keyless antenna
(exterior, rear) and keyless control module.
Go to next step.

INSPECT KEYLESS CONTROL MODULE

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

— M-MDS: B1131

Yes

DTC troubleshooting completed.

DTC B1129

Keyless antenna (interior, middle)

DETECTION

CONDITION

• Keyless antenna dose not operated.

POSSIBLE

CAUSE

• Keyless antenna (interior, middle) malfunction

• Open or short circuit in wiring harness between keyless control module and keyless antenna

• Keyless control module malfunction

STEP

INSPECTION

ACTION

INSPECT COMMUNICATION CIRCUIT FOR
CONTINUITY

• Disconnect keyless control module

connector and keyless antenna (interior,
middle) connector.

• Inspect the continuity between the following

connector terminals.
— keyless control module: 1M—keyless

antenna: A

— keyless control module: 1N—keyless

antenna: B

• Is there continuity?

Yes

Replace keyless antenna (interior, middle).
(See 09-14-37 KEYLESS ANTENNA REMOVAL/
INSTALLATION[ADVANCED KEYLESS SYSTEM].)
Go to next step.

Repair the wiring harness between the keyless antenna
(interior, middle) and keyless control module.
Go to next step.

INSPECT KEYLESS CONTROL MODULE

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

— M-MDS: B1129

Yes

DTC troubleshooting completed.

1871-1U-06B(09-02A).fm 10 ページ２００６年３月１５日　水曜日　午前１１時３８分

ON-BOARD DIAGNOSTIC [ADVANCED KEYLESS SYSTEM]

09-02A–11

09-02A

DTC B112A[ADVANCED KEYLESS SYSTEM]

id0902e1803600

Diagnostic procedure

End Of Sie

ADVANCED KEYLESS ENTRY AND START SYSTEM

DTC B1134[ADVANCED KEYLESS SYSTEM]

id0902e1385300

Diagnostic procedure

End Of Sie

DTC B112A

Keyless antenna (interior, front)

DETECTION

CONDITION

• Keyless antenna dose not operated.

POSSIBLE

CAUSE

• Keyless antenna (interior, front) malfunction

• Open or short circuit in wiring harness between keyless control module and keyless antenna

• Keyless control module malfunction

STEP

INSPECTION

ACTION

INSPECT COMMUNICATION CIRCUIT FOR
CONTINUITY

• Disconnect keyless control module

connector and keyless antenna (interior,
front) connector.

• Inspect the continuity between the following

connector terminals.
— keyless control module: 1O—keyless

antenna: A

— keyless control module: 1P—keyless

antenna: B

• Is there continuity?

Yes

Replace keyless antenna (interior, front).
(See 09-14-37 KEYLESS ANTENNA REMOVAL/
INSTALLATION[ADVANCED KEYLESS SYSTEM].)
Go to next step.

Repair the wiring harness between the keyless antenna
(interior, front) and keyless control module.
Go to next step.

INSPECT KEYLESS CONTROL MODULE

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

— M-MDS: B112A

Yes

DTC troubleshooting completed.

DTC B1134

Unprogrammed card key.

POSSIBLE

CAUSE

• Unprogrammed card key

• Malfunction in the keyless control module internal circuit

STEP

INSPECTION

ACTION

VERIFY NUMBER OF REGISTERED CARD
KEYS

• Using the WDS or equivalent, perform the

PID/data monitor inspection and confirm the
number of registered keys.
(See 09-02A-4 PID/DATA MONITOR
TABLE[ADVANCED KEYLESS SYSTEM])

• Is card key registered?

Yes

Using the WDS or equivalent, register a card key if
necessary.
(See 09-14-33 CARD KEY ID CODE
REGISTRATION[ADVANCED KEYLESS SYSTEM])
Go to the next step.

INSPECT KEYLESS CONTROL MODULE

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

— M-MDS: B1134

Yes

DTC troubleshooting completed.

1871-1U-06B(09-02A).fm 11 ページ２００６年３月１５日　水曜日　午前１１時３８分

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