oil pressure ACURA CSX 2006 Service Owner's Manual

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10-410-4 Cooling System
Radiator Cap Test
Radiator Test
A
B
A
1. Wait until the engine is cool, then carefully removethe radiator cap (A). Wet the radiator cap seal with
engine coolant, then install it on a commercially
available pressure tester (B).
2. Apply a pressure of 93 123 kPa (0.95 1.25 kgf/cm , 14 18 psi).
3. Check for a drop in pressure.
4. If the pressure drops, replace the cap. 1. Wait until the engine is cool, then carefully remove
the radiator cap and fill the radiator with engine
coolant to the base of the filler neck.
2. Attach a commercially available pressure tester (A) to the radiator, and apply a pressure of 93 123 kPa
(0.95 1.25 kgf/cm , 14 18 psi).
3. Inspect for engine coolant leaks and a drop in pressure.
4. Check for engine oil in the coolant and/or coolant in the engine oil.
5. Remove the tester, and reinstall the radiator cap.
2 2
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Fuel and Emissions
Fuel and Emissions Systems
PGM-FI System
Electronic Throttle Control System
VTEC/VTC
Idle Control SystemFuel Supply System
Intake Air System
Catalytic Converter System
EGR System
PCV System
EVAP System..................................................
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Special Tools . 11-2
General Troubleshooting Information . 11-3
DTC Troubleshooting Index . 11-9
Symptom Troubleshooting Index . 11-13
System Description . 11-15
How to Set Readiness Codes . 11-69
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Component Location Index . 11-72
DTC Troubleshooting . 11-74
F-CAN Circuit Troubleshooting . 11-191
MIL Circuit Troubleshooting . 11-203
DLC Circuit Troubleshooting . 11-204
Injector Replacement . 11-219
A/F Sensor Replacement . 11-221
Secondary HO2S Replacement . 11-221
CMP Sensor B Replacement . 11-222
CKP Sensor Replacement . 11-222
Output Shaft (Countershaft) Speed Sensor
Replacement . 11-223
Knock Sensor Replacement . 11-223
MAP Sensor Replacement . 11-224
MAF Sensor/IAT Sensor Replacement . 11-224
ECT Sensor 1 Replacement . 11-225
ECT Sensor 2 Replacement . 11-225
ELD Replacement . 11-226
ECM/PCM Update . 11-227
ECM/PCM Replacement . 11-228
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Component Location Index . 11-231
DTC Troubleshooting . 11-232
APP Sensor Signal Inspection . 11-268
Accelerator Pedal Module
Removal/Installation . 11-269
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Component Location Index
. 11-273
DTC Troubleshooting . 11-274
VTC Oil Control Solenoid Valve Removal/Test/Installation . 11-294
CMP Sensor A Replacement . 11-295
Rocker Arm Oil Control Valve Removal/Installation . 11-296
Rocker Arm Oil Pressure Switch Removal/Installation . 11-296
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Component Location Index
. 11-297
DTC Troubleshooting . 11-298
A/C Signal Circuit Troubleshooting . 11-306
Alternator FR Signal Circuit Troubleshooting . 11-307
Brake Pedal Position Switch Signal Circuit Troubleshooting . 11-308
Idle Speed Inspection . 11-309
ECM/PCM Idle Learn Procedure . 11-310 ..........................
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Component Location Index
. 11-311
DTC Troubleshooting . 11-313
Fuel Pump Circuit Troubleshooting . 11-318
Fuel Pressure Relieving . 11-322
Fuel Pressure Test . 11-325
Fuel Tank Draining . 11-325
Fuel Line Inspection . 11-326
Fuel Line/Quick-Connect Fitting Precautions . 11-328
Fuel Line/Quick-Connect Fitting Removal . 11-329
Fuel Line/Quick-Connect Fitting Installation . 11-331
Fuel Tank Unit Removal and Installation . 11-334
Fuel Pressure Regulator Replacement . 11-337
Fuel Filter Replacement . 11-337
Fuel Pump/Fuel Gauge Sending Unit Replacement . 11-338
Fuel Tank Replacement . 11-339
Fuel Gauge Sending Unit Test . 11-340
Low Fuel Indicator Test . 11-341
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Component Location Index
. 11-342
Throttle Body Test . 11-343
Throttle Body Cleaning . 11-344
Intake Air Bypass Control Thermal Valve Test . 11-344
Air Cleaner Removal/Installation . 11-345
Air Cleaner Element Inspection/Replacement . 11-346
Intake Air Resonator Removal/Installation . 11-346
Throttle Body Removal/Installation . 11-348
Throttle Body Disassembly/Reassembly . 11-350
Intake Air Bypass Control Thermal Valve Replacement . 11-351
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Component Location Index
. 11-352
DTC Troubleshooting . 11-353
Catalytic Converter Removal/Installation . 11-355
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Component Location Index
. 11-356
DTC Troubleshooting . 11-357
EGR Valve Replacement . 11-370
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Component Location Index
. 11-371
PCV Valve Inspection . 11-372
PCV Valve Replacement . 11-373
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Component Location Index
. 11-374
DTC Troubleshooting . 11-375
Fuel Cap Warning Message System Troubleshooting . 11-405
EVAP Canister Replacement . 11-407
FTP Sensor Replacement . 11-408
EVAP Canister Vent Shut Valve Replacement . 11-409
EVAP Canister Purge Valve Replacement . 11-409
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%)Ref. No. Tool Number Description Qty
11-2
Fuel and Emissions Systems
Special Tools
07AAA-SNAA100
Fuel Pump Module Locknut Wrench 1
07AAJ-S6MA150 Fuel Pressure Gauge Attachment Set 1
07JAZ-001000B Vacuum/Pressure Gauge, 0 4 in.Hg 1
07NAJ-P07010A Pressure Gauge Adapter 1
07ZAJ-S5AA200 Oil Pressure Hose 1
-1 07406-0020201 A/T Pressure Hose 1
-2 07406-0070301 A/T Low Pressure Gauge W/Panel 1
-3 07MAJ-PY4011A A/T Pressure Hose, 2,210 mm 1
-4 07MAJ-PY40120 A/T Pressure Adapter 1
07406-004000B Fuel Pressure Gauge 1
-1, -2, -3, -4
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DTC
(MIL indication ) Two Drive Cycle
Detection Detection Item MIL Note
11-9
DTC Troubleshooting Index
P0010 (56)
Variable Valve Timing Control (VTC) Oil Control Solenoid Valve
Malfunction ON (see page 11-274)
P0011 (56) Variable Valve Timing Control (VTC) System Malfunction ON (see page 11-276)
P0101 (50) Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem ON (see page 11-74)
P0102 (50) Mass Air Flow (MAF) Sensor Circuit Low Voltage ON (see page 11-75)
P0103 (50) Mass Air Flow (MAF) Sensor Circuit High Voltage ON (see page 11-78)
P0107 (3) Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage ON (see page 11-80)
P0108 (3) Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage ON (see page 11-82)
P0111 (10) Intake Air Temperature (IAT) Sensor Circuit Range/Performance
Problem ON (see page 11-85)
P0112 (10) Intake Air Temperature (IAT) Sensor Circuit Low Voltage ON (see page 11-86)
P0113 (10) Intake Air Temperature (IAT) Sensor Circuit High Voltage ON (see page 11-87)
P0116 (86) Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/
Performance Problem ON (see page 11-90)
P0117 (6) Engine Coolant Temperature (ECT) Sensor 1 Circuit Low Voltage ON (see page 11-91)
P0118 (6) Engine Coolant Temperature (ECT) Sensor 1 Circuit High Voltage ON (see page 11-92)
P0122 (7) Throttle Position (TP) Sensor A Circuit Low Voltage ON (see page 11-232)
P0123 (7) Throttle Position (TP) Sensor A Circuit High Voltage ON (see page 11-234)
P0125 (86) Engine Coolant Temperature (ECT) Sensor 1 Malfunction/Slow
Responce ON (see page 11-95)
P0128 (87) Cooling System Malfunction ON (see page 11-96)
P0133 (61) Air Fuel Ratio (A/F) Sensor (Sensor 1) Malfunction/Slow Response ON (see page 11-97)
P0134 (41) Air Fuel Ratio (A/F) Sensor (Sensor 1) Heater System Malfunction ON (see page 11-98)
P0135 (41) Air Fuel Ratio (A/F) Sensor (Sensor 1) Heater Circuit Malfunction ON (see page 11-99)
P0137 (63) Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Circuit Low Voltage ON (see page 11-104)
P0138 (63) Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Circuit High Voltage ON (see page 11-106)
P0139 (63) Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Slow Response ON (see page 11-109)
P0141 (65) Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Heater Circuit Malfunction ON (see page 11-110)
P0171 (45) Fuel System Too Lean ON (see page 11-113)
P0172 (45) Fuel System Too Rich ON (see page 11-113)
P0222 (7) Throttle Position (TP) Sensor B Circuit Low Voltage ON (see page 11-236)
P0223 (7) Throttle Position (TP) Sensor B Circuit High Voltage ON (see page 11-239)
P0300 (75)
and any
combination of
the following:
P0301 (71)
P0302 (72)
P0303 (73)
P0304 (74) Random Misfire Detected
ON (see page 11-115)
P0301 (71) No. 1 Cylinder Misfire Detected ON (see page 11-118)
P0302 (72) No. 2 Cylinder Misfire Detected ON (see page 11-118)
P0303 (73) No. 3 Cylinder Misfire Detected ON (see page 11-118)
P0304 (74) No. 4 Cylinder Misfire Detected ON (see page 11-118)
NOTE:  The above DTCs are indicated when the PGM-FI system is selected with the HDS.
 Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T system, and check for automatic transmission DTCs.
: These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.
4: K20Z2 engine
5: K20Z3 engine
(cont’d)
4
5 4
5
08/08/21 14:12:35 61SNR030_110_0009
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DYNOMITE -2009-

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DTC
(MIL indication ) Two Drive Cycle
Detection Detection Item MIL Note
11-12Fuel and Emissions Systems
DTC Troubleshooting Index (cont’d)
P2227 (13)
Barometric Pressure (BARO) Sensor Circuit Range/Performance
Problem ON (see page 11-176)
P2228 (13) Barometric Pressure (BARO) Sensor Circuit Low Voltage ON (see page 11-177)
P2229 (13) Barometric Pressure (BARO) Sensor Circuit High Voltage ON (see page 11-177)
P2238 (48) Air Fuel Ratio (A/F) Sensor (Sensor 1) AFS Circuit Low Voltage ON (see page 11-178)
P2252 (48) Air Fuel Ratio (A/F) Sensor (Sensor 1) AFS Circuit Low Voltage ON (see page 11-179)
P2270 (63) Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Circuit Signal Stuck Lean ON (see page 11-181)
P2271 (63) Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Circuit Signal Stuck Rich ON (see page 11-181)
P2413 (12) Exhaust Gas Recirculation (EGR) System Malfunction ON (see page 11-363)
P2422 (117) Evaporative Emission (EVAP) Canister Vent Shut Valve Stuck Closed
Malfunction ON (see page 11-402)
P2610 (132) Engine Control Module (ECM)/Powertrain Control Module (PCM)
Ignition Off Internal Timer Malfunction ON (see page 11-182)
P2646 (22) Rocker Arm Oil Pressure Switch Circuit Low Voltage ON (see page 11-284)
P2647 (22) Rocker Arm Oil Pressure Switch Circuit High Voltage ON (see page 11-287)
P2648 (21) Rocker Arm Oil Control Solenoid Circuit Low Voltage ON (see page 11-289)
P2649 (21) Rocker Arm Oil Control Solenoid Circuit High Voltage ON (see page 11-291)
P2A00 (61) Air Fuel Ratio (A/F) Sensor (Sensor 1) Circuit Range/Performance
Problem ON (see page 11-182)
U0028 (126) F-CAN Malfunction (BUS-OFF (Engine Control Module (ECM)/
Powertrain Control Module (PCM))) ON (see page 11-183)
U0122 (126) F-CAN Malfunction (Engine Control Module (ECM)/Powertrain
Control Module (PCM)-Vehicle Stability Assist (VSA) Modulator-
Control Unit) OFF (see page 11-184)
U0131 (126) F-CAN Malfunction (Engine Control Module (ECM)/Powertrain
Control Module (PCM)-Electrical Power Steering (EPS) Control Unit) OFF (see page 11-186)
U0155 (126) F-CAN Malfunction (Engine Control Module (ECM)/Powertrain
Control Module (PCM)-Gauge Control Module) ON (see page 11-188)
U0300 (131) PGM-FI System and A/T System Program Version Mismatch ON (see page 11-190)
NOTE:  The above DTCs are indicated when the PGM-FI system is selected with the HDS.
 Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T system, and check for automatic transmission DTCs.
: These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.
1: A/T
4: K20Z2 engine
6: with VSA
4
6
1
08/08/21 14:12:36 61SNR030_110_0012
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DYNOMITE -2009-

SymptomDiagnostic procedure Also check for
11-14Fuel and Emissions Systems
Symptom Troubleshooting Index (cont’d)










Low power
(MIL works OK, no DTCs set)
Check the fuel pressure (see page 11-325). Low compression
Incorrect camshaft
timing
Incorrect engine oil
level
Exhaust restriction
Engine stalls
(MIL works OK, no DTCs set) 1.
2.
3.
4.DotheECM/PCMidlelearnprocedure(seepage
11-310).
Check the fuel pressure (see page 11-325).
Check the idle speed (see page 11-309).
Troubleshoot the brake pedal position switch signal
circuit (see page 11-308). Intake air leaks
Faulty harness and
sensor
connections
Fuel contamination
Difficult to refuel
(MIL works OK, no DTCs set) 1.
2.
3.Check the fuel vent tube between the EVAP canister
and the fuel tank.
Check the fuel tank vapor recirculation tube between
thefuelpipeandthefueltank.
Replace the fuel tank (see page 11-339). Malfunctioning gas
station filling
nozzle.
Filler neck
restriction
Faulty fuel tank
vapor control valve
Fuel overflows during
refueling
(No DTCs set) Replace the fuel tank (see page 11-339). Malfunctioning gas
station filling nozzle.
HDS does not communicate
with the ECM/PCM or the
vehicle Troubleshoot the DLC circuit (see page 11-204).
Fuel cap warning message
stays on
(MIL works OK, no DTCs set)
(K20Z3 engine) Troubleshoot the fuel cap warning message system
(see page 11-405).
08/08/21 14:12:36 61SNR030_110_0014
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´µ
ECM/PCM Electrical Connections (cont’d)
11-18 Fuel and Emissions Systems
System Description (cont’d)
D
C
EVAP CANISTER
PURGE VALVE
EVAP CANISTER
VENT SHUT VALVE
ALTERNATOR
ICM
To
SPARK
PLUG
No. 1 IGNITION COIL
To
SPARK
PLUG ICM
No. 2 IGNITION COIL
To
SPARK
PLUG ICM
No. 3 IGNITION COIL
To
SPARK
PLUG ICM
No. 4 IGNITION COIL A10 VSV B3 PCS
B42 ALTL
B43 ALTF
C15 IGPLS1
C16 IGPLS2
C17 IGPLS3
C18 IGPLS4 B41 ALTC LG1 C40 I
VTS B34 ROCKER ARM
OIL CONTROL
SOLENOID
VTC C23
AFSHTC C9
AFS C29
SHO2S C27
SO2SHTC B4
LG2 C44
AFS C30
SECONDARY
HO2S
(SENSOR 2) A/F SENSOR
(SENSOR 1)
S-NET5V A44 G
CMPA C41 K
Q
CMP SENSOR A
ROCKER ARM
OIL PRESSURE
SWITCH
P
VTPSW C22 VTC OIL CONTROL
SOLENOID VALVE
To MICU
08/08/21 14:12:38 61SNR030_110_0018
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´µ
11-19
A42 WEN
A31 SCS OIL PRESSURE
SWITCH
B
BRAKE PEDAL
POSITION SWITCH
BKSW A40
BKSWNC A39 H
VSSOUT A29 To
MOONROOF
CONTROL UNIT/MOTOR,
AUDIO UNIT
A37 CANL
FTP SENSOR
A19 VCC6
A26 FTP
A9 SG6
A36 CANH
E OPSW B7
Q
R
P
CRMTCLS A41 CLUTCH PEDAL
POSITION SWITCH
S
THROTTLE
ACTUATOR
THROTTLE BODY C12 VCC3
C20 TPSA
C21 TPSB
C39 SG3
C4 ETCSM
C3 ETCSM ECT SENSOR 2
R
S
A/C PRESSURE
SENSOR *2
VCC4 A25 APSA A17 SG4 A35
VCC5 A24
APSB A18 SG5 A34
ETC2 A33
ACPD A16
To MICU *3
T
RVS A27
GAUGE CONTROL MODULE (TACH)
B A
REVERSE LOCKOUT
SOLENOID
TP SENSOR A/B A
DATA LINK
CONNECTOR
B APP SENSOR A/B
*2: M/T
*3: K20Z3 engine
(cont’d)
08/08/21 14:12:39 61SNR030_110_0019
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ÎÚ
ECM/PCM Inputs and Outputs at Connector B ( ) (44P)
Terminal
numberWire color Terminal name DescriptionSignal
11-28Fuel and Emissions Systems
System Description (cont’d)
NOTE: Standard battery voltage is about 12 V.




1BLK/RED
(BLK) PG2 (POWER GROUND) Ground circuit for ECM/
PCMLess than 1.0 V at all times
2 BLU/RED EGR (EXHAUST GAS RECIRCULATION (EGR)
VALVE) Drives EGR valve With EGR operating: duty controlled
With EGR not operating: about 0 V
3 YEL/BLU PCS (EVAPORATIVE EMISSION (EVAP)
CANISTER PURGE VALVE) Drives EVAP canister purge
valve
With engine running, engine coolant below 60 °C
(140 °F): battery voltage
With engine running, engine coolant above 60 °C
(140 °F): duty controlled
4 BLK/WHT SO2SHTC (SECONDARY HEATED OXYGEN SENSOR
(SECONDARY HO2S)
HEATER (SENSOR 2)) Drives secondary HO2S
heater (sensor 2)
With ignition switch ON (II): battery voltage
With warmed up engine running: duty controlled
7 YEL/RED OPSW (OIL PRESSURE SWITCH) Detects engine oil pressure
signalWith ignition switch OFF: about 0 V
With engine running: battery voltage
8 BLU/RED OP2SW (2ND CLUTCH TRANSMISSION FLUID
PRESSURE SWITCH) Detects 2nd clutch
transmission fluid pressure
switch inputWith ignition switch ON (II):
Without 2nd clutch pressure: about 5.0 V
With 2nd clutch pressure: about 0 V
9 BLU/WHT OP3SW (3RD CLUTCH TRANSMISSION FLUID
PRESSURE SWITCH) Detects 3rd clutch
transmission fluid pressure
switch inputWith ignition switch ON (II):
Without 3rd clutch pressure: about 5.0 V
With 3rd clutch pressure: about 0 V
10 BLU/BLK SHA (SHIFT SOLENOID VALVE A) Drives shift solenoid
valve AWith engine running in R, D, and S (in 1st, 4th, or
5th gears): battery voltage
With engine running in P, N, D, and S (in 2nd and
3rd gears): about 0 V
11 GRN/WHT SHB (SHIFT SOLENOID VALVE B) Drives shift solenoid
valve BWith engine running in P, R, N, D, and S (in 1st and
2nd gears): battery voltage
With engine running in D and S (in 3rd, 4th, 5th
gears): about 0 V
12 RED/BLK ATPN (TRANSMISSION RANGE SWITCH N) Detects transmission range
switch N position signal
inputIn N: about 0 V
In any position other than N: about 5.0 V
13 BLU/BLK ATPP (TRANSMISSION RANGE SWITCH P) Detects transmission range
switch P position signal
inputIn P: about 0 V
In any position other than P: about 5.0 V
14 WHT ATPR (TRANSMISSION RANGE SWITCH R) Detects transmission range
switch R position signal
inputIn R: about 0 V
In any position other than R: about 5.0 V
15 RED ATPS (TRANSMISSION RANGE SWITCH S) Detects transmission range
switch S position signal
inputIn S: about 0 V
In any position other than S: battery voltage
1: A/T
4: K20Z2 engine
5: ’07-09 models
5
4
1
1
1
1
1
1
1
1
Terminal side of female terminals
08/08/21 14:12:43 61SNR030_110_0028
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ECM/PCM Inputs and Outputs at Connector B ( ) (44P)
Terminal
numberWire color Terminal name DescriptionSignal
11-30Fuel and Emissions Systems
System Description (cont’d)
NOTE: Standard battery voltage is about 12 V.


30 RED/BLK VG (MASS AIR FLOW
(MAF) SENSOR SIDE) Detects MAF sensor signal At idle: about 1.1 1.6 V
(between VG terminal and VG terminal)
31 RED/YEL IAT (INTAKE AIR TEMPERATURE (IAT)
SENSOR) Detects IAT sensor signal With ignition switch ON (II): about 0.1 4.0 V
(about 1.8 V at normal operating temperature)
32 BLK/BLU VG (MASS AIR FLOW (MAF) SENSOR SIDE) Ground for MAF sensor
signal
33 GRN/BLK SG2 (SENSOR GROUND) Sensor ground Less than 1.0 V at all times
34 GRN/YEL VTS (ROCKER ARM OIL CONTROL SOLENOID) Drives rocker arm oil
control solenoidAt idle: about 0 V
35 BRN LSB (A/T CLUTCH PRESSURE CONTROL
SOLENOID VALVE B) Drives A/T clutch pressure
control solenoid valve B
With ignition switch ON (II): current controlled
36 BLK PG1 (POWER GROUND) Ground circuit for ECM/ PCMLess than 1.0 V at all times
40 BRN SDNP (PADDLE SHIFTER (DOWN SHIFT SWITCH)) Detects paddle shifter
(downshift switch) signalIn S:
With paddle shifter (downshift switch) pressed:
about 0 V
With paddle shifter (downshift switch) released:
about 5.0 V
41 WHT/GRN ALTC (ALTERNATOR CONTROL) Sends alternator control
signalWith warmed up engine running: about 5.0 V
(depending on electrical load)
42 WHT/BLU ALTL (ALTERNATOR L SIGNAL) Detects alternator L signal With ignition switch ON (II): about 0 V
With engine running: battery voltage
43 WHT/RED ALTF (ALTERNATOR FR SIGNAL) Detects alternator FR signal With engine running: about 2.6 3.4 V
(depending on electrical load)
44 RED/BLK LSA (A/T CLUTCH PRESSURE CONTROL
SOLENOID VALVE A) Drives A/T clutch pressure
control solenoid valve A
With ignition switch ON (II): current controlled
1: A/T
1
1
1
Terminal side of female terminals
08/08/21 14:12:44 61SNR030_110_0030
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