Mazda CX 7. Manual — part 16
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–19
01-02
P2096
Target A/F feedback system too lean
ON
2
Fuel system
C
×
(See01-02-
191 DTC
P2096[L3
WITH TC].)
P2097
Target A/F feedback system too rich
ON
2
Fuel system
C
×
(See01-02-
194 DTC
P2097[L3
WITH TC].)
P2100
Throttle actuator circuit open
ON
1
CCM
C, O, R
×
(See01-02-
197 DTC
P2100[L3
WITH TC].)
P2101
Throttle actuator circuit range/
performance
ON
1
CCM
C, R
×
(See01-02-
199 DTC
P2101[L3
WITH TC].)
P2102
Throttle actuator circuit low input
ON
1
CCM
C, O, R
×
(See01-02-
202 DTC
P2102[L3
WITH TC].)
P2103
Throttle actuator circuit high input
ON
1
CCM
C, O, R
×
(See01-02-
204 DTC
P2103[L3
WITH TC].)
P2107
Throttle actuator control module
processor problem
ON
1
CCM
C, R
×
(See01-02-
205 DTC
P2107[L3
WITH TC].)
P2108
Throttle actuator control module
performance problem
ON
1
CCM
C, R
×
(See01-02-
206 DTC
P2108[L3
WITH TC].)
P2119
Throttle actuator control throttle body
range/performance
ON
1
CCM
C, R
×
(See01-02-
207 DTC
P2119[L3
WITH TC].)
P2122
Accelerator pedal position (APP)
sensor No.1 circuit low input
ON
1
CCM
C, O, R
×
(See01-02-
208 DTC
P2122[L3
WITH TC].)
P2123
Accelerator pedal position (APP)
sensor No.1 circuit high input
ON
1
CCM
C, O, R
×
(See01-02-
210 DTC
P2123[L3
WITH TC].)
P2127
Accelerator pedal position (APP)
sensor No.2 circuit low input
ON
1
CCM
C, O, R
×
(See01-02-
212 DTC
P2127[L3
WITH TC].)
P2128
Accelerator pedal position (APP)
sensor No.2 circuit high input
ON
1
CCM
C, O, R
×
(See01-02-
214 DTC
P2128[L3
WITH TC].)
P2135
Throttle position sensor No.1/No.2
voltage correlation problem
ON
1
CCM
C, O, R
×
(See01-02-
216 DTC
P2135[L3
WITH TC].)
P2138
Accelerator pedal position (APP)
sensor No.1/No.2 voltage correlation
problem
ON
1
CCM
C, O, R
×
(See01-02-
217 DTC
P2138[L3
WITH TC].)
P2177
Fuel system too lean at off idle
ON
2
Fuel system
C, R
×
(See01-02-
218 DTC
P2177[L3
WITH TC].)
DTC No.
Condition
MIL
DC
Monitor item
Self-test
type
*2
Memory
function
Page
1871-1U-06B(01-02).fm 19 ページ 2006年3月15日 水曜日 午前10時32分
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–20
P2178
Fuel system too rich at off idle
ON
2
Fuel system
C, R
×
(See01-02-
220 DTC
P2178[L3
WITH TC].)
P2187
Fuel system too lean at idle
ON
2
Fuel system
C, R
×
(See01-02-
223 DTC
P2187[L3
WITH TC].)
P2188
Fuel system too rich at idle
ON
2
Fuel system
C, R
×
(See01-02-
226 DTC
P2188[L3
WITH TC].)
P2195
Front HO2S signal stuck lean
ON
2
HO2S
C
×
(See01-02-
229 DTC
P2195[L3
WITH TC].)
P2196
Front HO2S signal stuck rich
ON
2
HO2S
C
×
(See01-02-
231 DTC
P2196[L3
WITH TC].)
P2228
BARO sensor circuit low input
ON
1
CCM
C, O, R
×
(See01-02-
233 DTC
P2228[L3
WITH TC].)
P2229
BARO sensor circuit high input
ON
1
CCM
C, O, R
×
(See01-02-
234 DTC
P2229[L3
WITH TC].)
P2237
Front HO2S positive current control
circuit open
ON
2
HO2S
C, O, R
×
(See01-02-
235 DTC
P2237[L3
WITH TC].)
P2245
Front HO2S sensor reference voltage
circuit low input
ON
2
HO2S
C, O, R
×
(See01-02-
237 DTC
P2245[L3
WITH TC].)
P2246
Front HO2S sensor reference voltage
circuit high input
ON
2
HO2S
C, O, R
×
(See01-02-
239 DTC
P2246[L3
WITH TC].)
P2251
Front HO2S negative current control
circuit open
ON
2
HO2S
C, O, R
×
(See01-02-
241 DTC
P2251[L3
WITH TC].)
P2401
EVAP system leak detection pump
motor circuit low
ON
2
CCM
C, R
×
(See01-02-
243 DTC
P2401[L3
WITH TC].)
P2402
EVAP system leak detection pump
motor circuit high
ON
2
CCM
C, R
×
(See01-02-
246 DTC
P2402[L3
WITH TC].)
P2404
EVAP system leak detection pump
sensor circuit malfunction
ON
2
CCM
C, R
×
(See01-02-
248 DTC
P2404[L3
WITH TC].)
P2405
EVAP system leak detection pump
sensor circuit low input
ON
2
CCM
C, R
×
(See01-02-
249 DTC
P2405[L3
WITH TC].)
P2407
EVAP system leak detection pump
sensor circuit intermittent
ON
2
CCM
C, R
×
(See01-02-
250 DTC
P2407[L3
WITH TC].)
DTC No.
Condition
MIL
DC
Monitor item
Self-test
type
*2
Memory
function
Page
1871-1U-06B(01-02).fm 20 ページ 2006年3月15日 水曜日 午前10時32分
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–21
01-02
2007 Mazda CX-7 Workshop Manual (1871–1U–06B)
*
1
: California emission regulation applicable model
*
2
: C; CMDTC self-test, O; KOEO self-test, R; KOER self-test
End Of Sie
WM: CRUISE CONTROL SYSTEM
DTC B1342[L3 WITH TC]
id010239815700
Diagnostic procedure
End Of Sie
WM: DTC P00XX
P2502
Generator terminal B circuit open
OFF
1
–
C, R
×
(See01-02-
251 DTC
P2502[L3
WITH TC].)
P2503
Generator output voltage signal no
electricity
OFF
1
Other
C, R
×
(See01-02-
252 DTC
P2503[L3
WITH TC].)
P2504
Battery overcharge
OFF
1
Other
C, R
×
(See01-02-
254 DTC
P2504[L3
WITH TC].)
P2507
PCM +BB (back-up battery) voltage
low
ON
1
CCM
C, O, R
×
(See01-02-
256 DTC
P2507[L3
WITH TC].)
P2610
PCM internal engine off timer
performance
ON
2
CCM
C
×
(See01-02-
258 DTC
P2610[L3
WITH TC].)
U0073
Control module communication Bus
off
(See09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION SYSTEM])
U0101
CAN system communication error
(See09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION SYSTEM])
U0121
Communication error to ABS HU/CM
(See09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION SYSTEM])
U0155
Communication error to instrument
cluster
(See09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION SYSTEM])
DTC No.
Condition
MIL
DC
Monitor item
Self-test
type
*2
Memory
function
Page
DTC B1342
PCM malfunction
DETECTION
CONDITION
• Malfunction in the PCM internal circuit.
POSSIBLE
CAUSE
• PCM internal malfunction
STEP
INSPECTION
ACTION
1
VERIFY CURRENT STATUS OF MALFUNCTION
• Clear the DTC from the PCM memory using
the M-MDS.
• Is same DTC present?
Yes
Replace the PCM, then go to the next step.
No
Go to the next step.
2
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No
Troubleshooting completed.
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–22
2007 Mazda CX-7 Workshop Manual (1871–1U–06B)
Revised 8/2006 (Ref. No. R087/06)
DTC P0011[L3 WITH TC]
id010239801600
Diagnostic procedure
DTC P0011
CMP Timing over-advanced
DETECTION
CONDITION
• Actual valve timing is over-advanced by 17 ° (when the following conditions are met) from the target
valve timing when the OCV is controlled at the maximum valve timing retard condition.
MONITORING CONDITION
— Engine speed is below 4,000 rpm.
— Engine coolant temperature is above 70— 110
°C {158— 230 °F}.
Diagnostic support note
• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or
in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if the PCM detects the above malfunction condition during the first drive
cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in the PCM memory.
POSSIBLE
CAUSE
• OCV malfunction
• Spool valve in the OCV is stuck in the advance position.
• Variable valve timing actuator is stuck in the advance position.
• Loose timing chain or improper valve timing due to timing chain slippage
• PCM malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has the FREEZE FRAME DATA been
recorded?
Yes
Go to the next step.
No
Record FREEZE FRAME DATA on the repair order, then go
to the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
Yes
Perform the repair or diagnosis according to the available
repair information.
• If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY TIMING CHAIN INSTALLATION
• Stop the engine.
• Remove the timing chain cover.
• Is the camshaft timing mark at the correct
point?
(See 01-10-10 TIMING CHAIN REMOVAL/
INSTALLATION[L3 WITH TC].)
Yes
Go to the next step.
No
Reinstall the timing chain, then go to Step 7.
4
INSPECT OCV FOR MALFUNCTION
• Start the engine.
• Increase the engine speed.
• Stop the engine.
• Remove the OCV.
• Inspect the position of the spool valve in the
OCV.
• Is the spool valve located at the valve retard
position?
Yes
Go to the next step.
No
Replace the OCV, then go to Step 7.
5
INSPECT STOPPER PIN MECHANISM
• Remove the timing chain.
• Inspect the stopper pin.
(See 01-10-27 VARIABLE VALVE TIMING
ACTUATOR INSPECTION[L3 WITH TC].)
• Is the stopper pin mechanism normal?
Yes
Go to the next step.
No
Replace the variable valve timing actuator, then go to Step
7.
6
INSPECT ROTOR POSITION
• Remove the variable valve timing actuator.
• Is the rotor position at the maximum valve
timing retard?
Yes
VARIABLE VALVE TIMING MECHANISM IS NORMAL
Note
• This DTC is detected as an intermittent concern.
• The intermittent concern might be removed using the
cleaning mode of the variable valve timing control
function.
Go to the next step.
No
Replace the variable valve timing actuator, go to the next
step.
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