Sending Freeze Frame Data; Sending Emission-Related Malfunction Code - Mazda 2006 MX-5 Service Highlights

Sending Freeze Frame Data

• The Freeze Frame Data monitor items are shown below.
Freeze frame data monitor table
DTC that caused required Freeze Frame Data storage
Fuel system loop status
LOAD
ECT
Short term fuel trim
Long term fuel trim
MAP
Engine speed
Vehicle speed
Spark advance
IAT
MAF
Absolute TP
Time since engine start
EGR valve control signal
Purge solenoid valve control signal
Fuel level
Number of warm-ups since DTCs cleared
Distance travelled since DTCs cleared
Barometric pressure
Estimated catalyst converter temperature
PCM voltage
Absolute load value
Theoretical air/fuel ratio coefficient to calculate target air/fuel ratio
Relative TP
TP from TP sensor No.2
APP from APP sensor No.1
APP from APP sensor No.2
Throttle actuator control signal
Meaning of fuel system loop status
• The following information is displayed on the tester.
— Feedback stops: ECT is lower than the determined feedback zone.
— Feedback operating: HO2S being used for feedback is normal.
— Feedback stops: Open loop due to driving condition
— Feedback stops: Open loop due to detected system fault
— Feedback operating: Malfunction occurred in HO2S (rear) system

Sending Emission-related Malfunction Code

• The DTCs are shown below.
DTC No.
B1342 PCM malfunction
P0011 CMP timing over-advanced
P0012 CMP timing over-retarded
P0016 CKP-CMP correlation
P0030 Front HO2S heater control circuit problem
P0031 Front HO2S heater circuit low input
P0032 Front HO2S heater circuit high input
P0037 Rear HO2S heater circuit low input
P0038 Rear HO2S heater circuit high input
01–02–6
ON-BOARD DIAGNOSTIC
Full names
Condition
Refer to list below.
°C
km/h
°C
km
°C
MIL DC Monitor item
OFF — —
ON 1 CCM
ON 2 CCM
ON 2 CCM
ON 2 HO2S heater
ON 2 HO2S heater
ON 2 HO2S heater
ON 2 HO2S heater
ON 2 HO2S heater
Unit
No unit
%
°F
%
%
kPa
rpm
mph
°
°F
g/s
%
s
%
%
%
No unit
miles
kPa
°F
V
%
No unit
%
%
%
%
%
×: Applicable
—: Not applicable
Self-test
Memory
3
function
type*
×
C, R
×
C, R
×
C, R
×
C
×
C, O, R
×
C, O, R
×
C, O, R
×
C, O, R
×
C, O, R