Mazda CX-9 Grand Touring. Manual — part 207
Fig. 6: Identifying PCM Bracket, Connector & Torque Specifications
Courtesy of MAZDA MOTORS CORP.
PCM INSPECTION [MZI-3.7]
PCM INSPECTION PREPARATION
1. Disconnect the negative battery cable.
2. Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)
3. Remove the windshield wiper arm and blade. (See WINDSHIELD WIPER ARM AND BLADE
REMOVAL/INSTALLATION .)
4. Remove the cowl grille. (See COWL GRILLE REMOVAL/INSTALLATION .)
5. Remove the windshield wiper motor. (See WINDSHIELD WASHER MOTOR
REMOVAL/INSTALLATION .)
6. Remove the cowl panel. (See COWL PANEL REMOVAL/INSTALLATION .)
7. Remove the PCM connector still connected.
8. Install the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)
9. Connect the negative battery cable.
TYPICAL DIAGNOSTIC REFERENCE VALUES
CAUTION:
The PCM terminal voltage can vary with the conditions when
measuring and changes due to aged deterioration on the vehicle,
causing false diagnosis. Therefore determine comprehensively where
the malfunction occurs among the input systems, output systems,
and the PCM.
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:07:19 AM
Page 7
© 2005 Mitchell Repair Information Company, LLC.
Fig. 7: Identifying PCM Wiring Harness-Side Connector
Courtesy of MAZDA MOTORS CORP.
VOLTAGE SENSOR SPECIFICATION CHART
Sensors/Inputs
Measured/PID Values
Units
Measured/PID
KOEO
Hot Idle
48 KM/H
(30MPH)
89 KM/H
(55MPH)
PSP
0.1/LOW
VBAT/HIGH
(I)
0.1/LOW
0.1/LOW
DCV/HIGH-LOW
GENMN
(GFS)
11.89/0
VBAT/50
VBAT/28
VBAT/25
DCV/%
APP1
3.9
3.9
3.5
3.3
DCV
APP2
1.6
1.7
1.8
2.1
DCV
APP3
1.0
1.0
1.3
1.5
DCV
FPM
OFF
ON
ON
ON
ON-OFF
ACP
0.8/70
0.86/73
0.9/75
1.0/87
DCV/psi
MAF
0
0.7
1.4
1.5
DCV
MAF SIGRTN
0
0.6-1.9
1-1.6
1.3-2.3
DCV
IAT
80 (K)
50 (K)
37 (K)
34 (K)
DEG F
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:07:19 AM
Page 8
© 2005 Mitchell Repair Information Company, LLC.
VOLTAGE SENSOR SPECIFICATION CHART
FTP
2.6/-0.01
2.6/-0.01
2.6/-0.01
2.6/-0.01
DCV/psi
BOO
VBAT/OFF
0.1/ON (E)
VBAT/OFF
VBAT/OFF
DCV/ON-OFF
BPA
0.1/OFF
VBAT/ON (E)
0.1/OFF
0.1/OFF
DCV/ON-OFF
FEPS
0.5-0.6
0.5-0.6
0.5-0.6
0.5-0.6
DCV
SCCS
5
0.1 (P)
5
5
DCV
HO2S12
(L)
(D)
(D)
(D)
DCV
HO2S22
0.1
(D)
(D)
(D)
DCV
HO2S21
0
switching (C)
switching (C)
switching (C)
DCV
HO2S11
(L)
switching (C)
switching (C)
switching (C)
DCV
CHT
3.6/199
3.6/199
3.58/201
3.45/208
DCV/DEG F
CMP2
0
5-7
13-16
20-23
Hz
CMP1
0
5-7
13-16
20-23
Hz
CKP
0
400-500
850-1050
1050-1150
Hz
KNOCK 1
23.99k
25.01k
25.73k
44.51k
N/A
TP2
1.1/25
0.8/15
1.0/19
1.4/27
DCV/%
TP1
4.1/17
4.4/13
4.2/16
4.0/19
DCV/%
ACCS
VBAT/OFF VBAT/ON (A)
VBAT/OFF
VBAT/OFF
DCV/ON-OFF
APP
3.9
0
0
22
%
APP_FLT
NO
FAULT
NO FAULT
NO FAULT
NO FAULT
FAULT - NO
FAULT
CPP/PNP
NEUTRAL
NEUTRAL
DRIVE
DRIVE
NEUTRAL-DRIVE
ETC_ACT
7.56
1.27
6.22
12.74
DEG
ETC_DSD
7.62
1.31
6.19
12.73
DEG
ETC_TRIM
0.23
0.21
0.24
0.24
DEG
FANVAR
NO
FAULT
NO FAULT
NO FAULT
NO FAULT
FAULT - NO
FAULT
FLI
71 (H)
72 (H)
82 (H)
81 (H)
%
LOAD
51.4 (L)
16.1
35.4
34.7
%
MISFIRE
NO
NO
NO
NO
YES-NO
RPM
0
600
1200
1500
RPM
VSS
0
0
30
55
MPH
WAC F
NO
FAULT
NO FAULT
NO FAULT
NO FAULT
FAULT - NO
FAULT
Actuators/Outputs
Measured/PID Values
Units
Measured/PID
Outputs
KOEO
Hot Idle
48 KM/H (30MPH) 89 KM/H
(55MPH)
GENFDC
3.79
0
0
0
%
SMC
0
0
0
0
DCV
CTO
0
0
0
0
Hz
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:07:19 AM
Page 9
© 2005 Mitchell Repair Information Company, LLC.
EVMV
0
337
0
847
mA
EVAPCV
0
0
0
0
%
FP
8.3/75
3.6/27
3.6/27
3.8/29
DCV/%
WAC/ACCR
OFF
OFF
OFF
OFF
ON-OFF
HTR12
VBAT/OFF 0.2/ON
0.2/ON
0.2/ON
DCV/ON-OFF
HTR22
VBAT/OFF 0.2/ON
0.2/ON
0.2/ON
DCV/ON-OFF
CD6F (CYL 6)
VBAT
VBAT
VBAT
VBAT
DCV
CD5D (CYL 5)
VBAT
VBAT
VBAT
VBAT
DCV
CD4B (CYL 4)
VBAT
VBAT
VBAT
VBAT
DCV
CD3E (CYL 3)
VBAT
VBAT
VBAT
VBAT
DCV
CD2C (CYL 2)
VBAT
VBAT
VBAT
VBAT
DCV
CD1A(CYL1)
VBAT
VBAT
VBAT
VBAT
DCV
PCVHC
0
0
0
0
%
TACM (+)
3.7
VBAT
VBAT
VBAT
DCV
INJ2
0
2.6-3.2
2.5-5.5
3.5-8.5
mS
INJ4
0
2.6-3.2
2.5-5.5
3.5-8.5
mS
INJ6
0
2.6-3.2
2.5-5.5
3.5-8.5
mS
TACM (-)
3.7
VBAT
VBAT
VBAT
DCV
INJ1
0
2.6-3.2
2.5-5.5
3.5-8.5
mS
INJ3
0
2.6-3.2
2.5-5.5
3.5-8.5
mS
INJ5
0
2.6-3.2
2.5-5.5
3.5-8.5
mS
VCTADV
0
-.031
-27.56
-30.94
DEG
VCTADV2
0
0
-27.69
-31.06
DEG
HTR11
0.1/ON (O) 0.1/ON
0.1/ON
0.1/ON
DCV/ON-OFF
HTR21
0.1/ON (O) 0.1/ON
0.1/ON
0.1/ON
DCV/ON-OFF
FANVAR
0
0
0
0
%
FANDC
7.5
7.5
7.5
7.5
%
FP
ON/OFF
ON
ON
ON
ON-OFF
LONGFT1
(L)
(-)20-(+)
20
(-)20-(+)
20
(-)20-(+)20
%
LONGFT2
(L)
(-)20-(+)
20
(-)20-(+)
20
(-)20-(+)20
%
MIL
OFF
OFF
OFF
OFF
ON-OFF
SHRTFT1
(L)
(-)10-(+)
10
(-)10-(+)
10
(-)10-(+)10
%
SHRTFT2
(U
(-)10-(+)
10
(-)10-(+)
10
(-)10-(+)10
%
SPARKADV
10
13.25
44
45.25
DEG
VCTDC
0
0
47.32
80
%
VCTDC2
0
0
46.8
80
%
VCTADVERR
0
0.18
-0.37
-0.18
DEG
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:07:19 AM
Page 10
© 2005 Mitchell Repair Information Company, LLC.
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