DTC B1342 [MZI-3.5]
DTC B1342 DETECTION CONDITION AND POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC B1342 DIAGNOSTIC PROCEDURE
U0155 Communication error to instrument
cluster
THE LOCATION OF A MALFUNCTION
[MULTIPLEX COMMUNICATION
SYSTEM]
.)
U0300
(2)
Internal control module software
incompatibility
(1)
The fuel cap warning light illuminates.
(2)
The electronic throttle control (ETC) warning light illuminates.
DTC B1342
PCM malfunction
DETECTION
CONDITION
z
Malfunction in the PCM internal circuit.
POSSIBLE CAUSE
z
PCM EEPROM malfunction
z
PCM parameter reset has not been completed
STEP
INSPECTION
ACTION
1
VERIFY CURRENT STATUS OF
MALFUNCTION
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the PCM parameter reset
using the M-MDS.
(see
IMMOBILIZER SYSTEM
COMPONENT
REPLACEMENT/KEY
ADDITION AND CLEARING
[ADVANCED KEYLESS
SYSTEM]
.) (See
IMMOBILIZER SYSTEM
COMPONENT
REPLACEMENT/KEY
ADDITION AND CLEARING
[KEYLESS ENTRY SYSTEM]
.)
z
Is same DTC present?
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
2
VERIFY AFTER REPAIR
PROCEDURE
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:29 AM
Page 24
© 2005 Mitchell Repair Information Company, LLC.