Mazda RX-8. Manual — part 9
ON-BOARD DIAGNOSTIC [SJ6A-EL]
05–02–3
05–02
MIL: Malfunction Indicator Lamp
DC: Drive Cycle
End Of Sie
MEMORY FUNCTION [SJ6A-EL]
EHU050200000104
•
The memory function stores malfunction information detected in the malfunction detection function. Once
malfunction information is stored, the memory will not be cleared even when the ignition switch is turned off
(LOCK position) or the malfunction is repaired.
•
The stored memory (malfunction information) can be cleared using the WDS or equivalent, or by disconnecting
the negative battery cable.
End Of Sie
MALFUNCTION INDICATION FUNCTION [SJ6A-EL]
EHU050200000105
•
The malfunction indication function illuminates the MIL or AT warning light when the malfunction detection
function determines there is a malfunction.
End Of Sie
FAIL-SAFE FUNCTION [SJ6A-EL]
EHU050200000106
•
In the fail-safe function, minimum vehicle drivability is obtained by changing the signals that are determined to
be malfunctions by the malfunction detection function to the preset values, and limiting TCM control.
P2719
Shift solenoid G range/performance (stuck)
X
X
1
X
P2720
Shift solenoid G circuit malfunction (short to ground/open circuit)
X
X
1
X
P2721
Shift solenoid G circuit malfunction (short to power)
X
X
1
X
P2757
Torque converter clutch (TCC) stuck off
X
X
2
X
P2758
Torque converter clutch (TCC) stuck on
X
X
2
X
P2762
TCC control solenoid range/performance (stuck)
X
X
1
X
P2763
TCC control solenoid circuit malfunction (short to power)
X
X
1
X
P2764
TCC control solenoid circuit malfunction (short to ground/open circuit)
X
X
1
X
U0073
CAN BUS OFF
X
X
1
X
U0100
TCM cannot receive any signals from PCM
X
X
1
X
U0121
TCM cannot receive any signals from ABS HU/CM or DSC HU/CM
X
X
1
X
DTC No.
Condition
MIL
AT
warning
light
DC
Memory
function
DTC
No.
On-board diagnostic
function
Detection condition
Fail-safe
P0601
Flash ROM malfunction
•
Flash ROM (in TCM) internal circuit
malfunction is detected.
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0603
EEPROM malfunction
•
Different numeric values for
EEPRROM and RAM (in TCM) are
detected.
N/A
P0604
RAM malfunction
•
RAM (in TCM) read/write error is
detected.
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0707
Transmission range (TR)
switch circuit low input
(short to ground)
•
TR switch position voltage input to
TCM is less than 0.127 V when
ignition switch is at ON position.
•
D range is determined when there is no
TR switch signal input.
•
Inhibits slope mode control
P0708
Transmission range (TR)
switch circuit high input
(open circuit)
•
Vehicle speed is 30 km/h {18.6 mph}
or more, and no range signal is input
from the TR switch.
•
D range is determined when there is no
TR switch signal input.
•
Inhibits slope mode control
P0711
Transmission fluid
temperature (TFT) sensor
malfunction (stuck)
•
Change in ATF temperature cannot be
detected for 10 min or more when
driving in D range.
•
Fixes ATF temperature value at 80
°
C
{176
°
F}
•
Inhibits slope mode control
•
Inhibits self learning control
•
Inhibits slip control
ON-BOARD DIAGNOSTIC [SJ6A-EL]
05–02–4
P0712
Transmission fluid
temperature (TFT) sensor
circuit malfunction (short to
ground)
•
TCM detects ATF temperature of 200
°
C {392
°
F} or more.
•
Fixes ATF temperature value at 80
°
C
{176
°
F}
•
Inhibits slope mode control
•
Inhibits self learning control
•
Inhibits slip control
P0713
Transmission fluid
temperature (TFT) sensor
circuit malfunction (short to
power/open circuit)
•
TCM detects ATF temperature of less
than -43
°
C {-45.4
°
F} when engine is
warmed-up and running.
•
Fixes ATF temperature value at 80
°
C
{176
°
F}
•
Inhibits slope mode control
•
Inhibits self learning control
•
Inhibits slip control
P0717
Turbine sensor circuit
malfunction (open circuit/
short circuit)
•
Turbine speed signal is not input during
vehicle speed signal 12 pulse period
when driving in D range.
•
Substitutes vehicle speed signal for
turbine speed signal.
•
Inhibits 5GR and 6GR
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits slip control
P0722
Vehicle speed sensor
(VSS) circuit malfunction
(open circuit/short circuit)
•
Vehicle speed signal is not input during
turbine speed signal 12 pulse period
when driving in D range.
•
Substitutes turbine speed signal for
vehicle speed signal.
•
Inhibits 5GR and 6GR
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits slip control
P0751
Shift solenoid A
malfunction (stuck off)
•
TCM detects that shift solenoid A does
not change from off when engine is
running
•
Inhibits 4GR, 5GR and 6GR
•
Inhibits 1GR and 2GR (manual mode)
P0752
Shift solenoid A
malfunction (stuck on)
•
TCM detects that shift solenoid A does
not change from on when engine is
running
N/A
P0756
Shift solenoid B
malfunction (stuck off)
•
TCM detects that shift solenoid B does
not change from off when engine is
running
N/A
P0757
Shift solenoid B
malfunction (stuck on)
•
TCM detects that shift solenoid B does
not change from on when engine is
running
N/A
P0761
Shift solenoid C
malfunction (stuck off)
•
TMC detects that shift solenoid C does
not change from off when engine is
running
N/A
P0762
Shift solenoid C
malfunction (stuck on)
•
TMC detects that shift solenoid C doe
not change from on when engine is
running
•
Inhibits 4GR, 5GR and 6GR
P0766
Shift solenoid D
malfunction (stuck off)
•
TCM detects that shift solenoid D does
not change from off when engine is
running
•
Inhibits 4GR, 5GR and 6GR
Shift solenoid G
malfunction (stuck on)
•
TCM detects that shift solenoid G does
not change from on when engine is
running
•
Inhibits 4GR, 5GR and 6GR
P0781
1-2 shift valve malfunction
•
TCM detects 1–2 shift valve
malfunction.
•
Inhibits 4GR, 5GR and 6GR
•
Inhibits 1GR and 2GR (manual mode)
P0813
Reverse sequence valve
malfunction
•
TCM detects reverse sequence valve
malfunction.
•
Inhibits 6GR
P0819
Manual switch/up switch/
down switch circuit
malfunction (open circuit/
short circuit)
M range switch circuit malfunction
•
M range switch remains on for 2 s or
more except in D range.
•
Inhibits manual mode control
Up switch or down switch circuit
malfunction
•
When all of the following conditions are
met:
—
M range switch off.
—
Except D range
—
Up or down switch remains on for 10
s or more.
•
Inhibits manual mode control using
selector lever
DTC
No.
On-board diagnostic
function
Detection condition
Fail-safe
ON-BOARD DIAGNOSTIC [SJ6A-EL]
05–02–5
05–02
P0826
Steering shift switch circuit
malfunction (open circuit/
short to ground)
•
TCM detects short circuit or short to
ground in steering shift switch circuit
when engine is running.
•
Inhibits manual mode control
P0882
TCM B+ low (less than 9
V)
•
Voltage of less than 9 V detected at
TCM terminals 1AD when engine is
running.
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0883
TCM B+ low (less than 11
V)
•
Voltage of less than 11 V detected at
TCM terminals 1AD when engine is
running.
•
Inhibits self learning control
P0961
Line pressure control
solenoid range/
performance (stuck)
•
Feedback current corresponding to
solenoid current command value is
irregular when engine is running.
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0962
Line pressure control
solenoid circuit malfunction
(short to ground/open
circuit)
•
Open or short circuit in line pressure
control solenoid signal system (while
TCM monitors solenoid output voltage,
the voltage that differs from the signal
output by CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0963
Line pressure control
solenoid circuit malfunction
(short to power)
•
Short circuit in line pressure control
solenoid signal system (while TCM
monitors solenoid output voltage, the
voltage that differs from the signal
output by CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0969
Shift solenoid F range/
performance (stuck)
•
Feedback current corresponding to
solenoid current command value is
irregular when engine is running.
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0970
Shift solenoid F circuit
malfunction (short to
ground/open circuit)
•
Open or short circuit in shift solenoid F
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0971
Shift solenoid F circuit
malfunction (short to
power)
•
Short circuit in shift solenoid F signal
system (while TCM monitors solenoid
output voltage, the voltage that differs
from the signal output by CPU in TCM
is detected).
•
Emergency mode
•
Inhibits N—D shift pressure control
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0973
Shift solenoid A circuit
malfunction (short to
ground)
•
Short to ground in shift solenoid A
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0974
Shift solenoid A circuit
malfunction (short to
power/open circuit)
•
Open or short circuit in shift solenoid A
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0976
Shift solenoid B circuit
malfunction (short to
ground)
•
Short to ground in shift solenoid B
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0977
Shift solenoid B circuit
malfunction (short to
power/open circuit)
•
Open or short circuit in shift solenoid B
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
DTC
No.
On-board diagnostic
function
Detection condition
Fail-safe
ON-BOARD DIAGNOSTIC [SJ6A-EL]
05–02–6
P0979
Shift solenoid C circuit
malfunction (short to
ground)
•
Short to ground in shift solenoid C
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0980
Shift solenoid C circuit
malfunction (short to
power/open circuit)
•
Open or short circuit in shift solenoid C
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0982
Shift solenoid D circuit
malfunction (short to
ground)
•
Short to ground in shift solenoid D
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0983
Shift solenoid D circuit
malfunction (short to
power/open circuit)
•
Open or short circuit in shift solenoid D
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0985
Shift solenoid E circuit
malfunction (short to
ground)
•
Short to ground in shift solenoid E
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P0986
Shift solenoid E circuit
malfunction (short to
power/open circuit)
•
Open or short circuit in shift solenoid E
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P2719
Shift solenoid G range/
performance (stuck)
•
Feedback current corresponding to
solenoid current command value is
irregular when engine is running.
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P2720
Shift solenoid G circuit
malfunction (short to
ground/open circuit)
•
Open or short circuit in shift solenoid G
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P2721
Shift solenoid G circuit
malfunction (short to
power)
•
Short circuit in shift solenoid G signal
system (while TCM monitors solenoid
output voltage, the voltage that differs
from the signal output by CPU in TCM
is detected).
•
Emergency mode
•
Inhibits self learning control
•
Inhibits driver adaptive shift control
•
Inhibits TCC control
•
Inhibits slip control
P2757
Torque converter clutch
(TCC) stuck off
•
TCM detects that TCC control solenoid
does not change from off when engine
is running
N/A
P2758
Torque converter clutch
(TCC) stuck on
•
TCM detects that TCC control solenoid
does not change from on when engine
is running
•
Inhibits acceleration from 2GR
P2762
TCC control solenoid
range/performance (stuck)
•
Feedback current corresponding to
solenoid current command value is
irregular when engine is running.
•
Inhibits acceleration from 2GR
•
Inhibits TCC control
•
Inhibits slip control
P2763
TCC control solenoid
circuit malfunction (short to
power)
•
Short circuit in TCC control solenoid
signal system (while TCM monitors
solenoid output voltage, the voltage
that differs from the signal output by
CPU in TCM is detected).
•
Inhibits acceleration from 2GR
•
Inhibits TCC control
•
Inhibits slip control
P2764
TCC control solenoid
circuit malfunction (short to
ground/open circuit)
•
Open or short circuit in TCC control
solenoid signal system (while TCM
monitors solenoid output voltage, the
voltage that differs from the signal
output by CPU in TCM is detected).
•
Inhibits acceleration from 2GR
•
Inhibits TCC control
•
Inhibits slip control
DTC
No.
On-board diagnostic
function
Detection condition
Fail-safe
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