2006 ACURA CSX brake sensor

differential brake sensor fog light radio brake pads oil reset

Page 479 of 2893

ACURA CSX 2006 Service Repair Manual µ
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DTC P1129:
YES
NO
YES
NO YES
NO
11-156PGM-FI System
DTC Troubleshooting (cont’d)
MAP Sensor Signal Higher T

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DTC P1129:
YES
NO
YES
NO YES
NO
11-156PGM-FI System
DTC Troubleshooting (cont’d)
MAP Sensor Signal Higher Than
Expected
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Check for vacuum leaks in these parts: PCV valve
PCV hose
EVAP canister purge valve
Throttle body
Intake manifold
Brake booster
Brake booster hose
Repair or replace the part(s) with vacuum
leaks, then go to step 9.
Go to step 2.
2. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in
neutral) until the radiator fan comes on, then let it
idle.
3. ChecktheMAPSENSORintheDATALISTwiththe HDS.
Go to step 7.
Go to step 4.
4. Clear the DTC with the HDS.
5. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1)above70°C(158°F)
A/TinD,M/Tin5th
Drive at a steady speed between 88 120 km/h (55 75 mph) for 10 seconds
During the drive, decelerate (with the throttle fully closed) for at least 2 seconds 6. Monitor the OBD STATUS for DTC P1129 in the
DTCs MENU with the HDS.
Go to step 7.
If the screen indicates PASSED, intermittent
failure, the system is OK at this time. Check for
poor connections or loose terminals at the MAP
sensor and the ECM/PCM. If the screen indicates
NOT COMPLETED, go to step 5 and recheck.
7. Turn the ignition switch to LOCK (0).
8. Replace the MAP sensor (see page 11-224).
9. Turn the ignition switch to ON (II).
10. Reset the ECM/PCM with the HDS.
11. Do the ECM/PCM idle learn procedure (see page 11-310).
12. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in
neutral) until the radiator fan comes on, then let it
idle.
13. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1)above70°C(158°F)
A/TinD,M/Tin5th
Drive at a steady speed between 88 120 km/h (55 75 mph) for 10 seconds
During the drive, decelerate (with the throttle fully closed) for at least 2 seconds
Ar e t her e any v acuum l eak s?
I s mor e t han 36.9 k Pa ( 27 7 mmH g, 11.0 i n.H g) or1.1 V hel d f or mor e t han f or 5 second s? Does t he scr een i nd i cat e F AILE D?
08/08/21 14:20:22 61SNR030_110_0156
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Page 622 of 2893

ACURA CSX 2006 Service Repair Manual Î
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11-297
Idle Control System
Component Location Index
ALTERNATOR
A/C PRESSURE SENSOR
A/C COMPRESSOR
CLUTCH RELAY
A/C COMPRESSOR ENGINE C

Page 928 of 2893

ACURA CSX 2006 Service Repair Manual SymptomProbable cause(s) Notes
14-12Automatic Transmission
Symptom Troubleshooting Index (cont’d)

Shift lever cannot
be moved from P
while pressing on
the bra

Page 955 of 2893

ACURA CSX 2006 Service Repair Manual Î
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Electronic Control System
Functional Diagram
14-39
*1: ’06-07 models
*2: ’08-09 models Engine RPM Signal
Accelerator Pedal
Position

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Electronic Control System
Functional Diagram
14-39
*1: ’06-07 models
*2: ’08-09 models Engine RPM Signal
Accelerator Pedal
Position Sensor Signal
Barometric Pressure
Sensor Signal
Manifold Absolute
Pressure Sensor Signal
ATF Temperature
Sensor Signal
Service Check SignalTransmission
Range
Switch
Signal
Brake Pedal Position
Switch Signal PGM-FI Control
System
PCM
A/T Control System Shift Control
Ascending Control
Descending
Control
D-paddle Shift
Control

Clutch Pressure
Control
Lock-up Control
Shift Lock Control Shift Lock Solenoid
Vehicle Speed Signal
Data Link Connector Shift Solenoid Valve E
Shift Solenoid Valve D Shift Solenoid Valve C Shift Solenoid Valve B
Shift Solenoid Valve A
F-CAN Line
Automatic
Five-speed and
ReverseLock-up
ON/OFF
Lock-up
Conditions
Sequential
Sportshift
Control Gauge Control Module
(Tach) A/T Gear
Position Indicator
Engine Coolant
Temperature Sensor Signal
2ndClutchTransmission
Fluid Pressure Switch Signal ABS Modulator-Control
Unit Signal (via F-CAN line)*
Output Shaft (Countershaft)
Speed Sensor Signal
Paddle Shifter /
(Upshift/Downshift Switch) 3rdClutchTransmission
Fluid Pressure Switch Signal
1
VSA Modulator-Control
Unit Signal (via F-CAN line)*2
Input Shaft (Mainshaft)
Speed Sensor Signal
Grade Logic Control
Self-diagnosis/
Fail-safe Function
Communication and
Output Function
A/TClutchPressure
Control Solenoid Valve C A/TClutchPressure
Control Solenoid Valve B A/TClutchPressure
Control Solenoid Valve A
The electronic control system consists of the powertrain control module (PCM), sensors, and solenoid valves.
Shifting and lock-up are electronically controlled for comfortable driving under all conditions.
The PCM receives input signals from sensors, switches, and other control units, processes data, and outputs signals
for the engine control system and the A/T control system. The A/T control system includes shift control, grade logic
control, clutch pressure control, and lock-up control.
The PCM switches the shift solenoid valves and the A/T clutch pressure control solenoid valves ON and OFF to control
gear selection and torque converter clutch lock-up.
(cont’d)
08/08/21 14:38:21 61SNR030_140_0041
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Page 957 of 2893

ACURA CSX 2006 Service Repair Manual Shift Control - Grade Logic Control
14-41
Transmission Range
Switch Signal PCM
Brake Pedal Position
Switch Signal Engine RPM
Control
Engine RPM Signal
Output Shaft
(Countershaft)
Speed Sensor Sign

Page 964 of 2893

ACURA CSX 2006 Service Repair Manual Î
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Electronic Control System (cont’d)
PCM A/T Control System Electrical Connections
14-48 Automatic Transmission
System Description (cont’d)
41
23
41 24
23 4
40
29
26 2
27
20

Page 1124 of 2893

ACURA CSX 2006 Service Repair Manual µ

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14-208Automatic Transmission
Road Test
A
1. Apply the parking brake, and block both rear
wheels.
2. Start the engine, and warm it up to norm

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14-208Automatic Transmission
Road Test
A
1. Apply the parking brake, and block both rear
wheels.
2. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).
3. Shift to D while pressing the brake pedal. Press the accelerator pedal, and release it suddenly. The
engine should not stall.
4. Repeat step 3 in all shift lever positions.
5. Connect the HDS to the DLC (A) located under the driver’s side of the dashboard.
6. Turn the ignition switch to ON (II), and go to the A/T Data List. Make sure the HDS communicates with
the PCM. If it does not, go to the DLC circuit
troubleshooting (see page 11- 204).7. Prepare the HDS to take a HIGH SPEED SNAPSHOT
(refer to the HDS user guide for more details if
needed):
Select High Speed icon.
Select these parameters: – Vehicle Speed
– Output Shaft (Countershaft) Speed (rpm)
– Input Shaft (Mainshaft) Speed (rpm)
– Engine Speed
– APP Sensor A (V)
– ATF Temp Sensor (V)
– Battery Voltage
– Shift Control
– Brake Switch
Set the Trigger Type to Parameter.
Adjust the Parameter setting to APP Sensor A above 1.2 V.
Set the recording time to 60 seconds.
Set the Trigger point to 30 seconds.
8. Find a suitable level road. When you are ready to do the test, press OK on the HDS.
9. Monitor the HDS and accelerate quickly until the APP Sensor A reads 1.3 V. Maintain a steady
throttle until the transmission shifts to 5th gear,
then slow the vehicle and come to a stop.
10. Save the snapshot if the entire event was recorded or increase the recording time setting as necessary
and repeat step 9.
11. Adjust the Parameter setting to 2.4 V. Retest-drive the vehicle. While monitoring the HDS, accelerate
quickly until the APP Sensor A reads 2.5 V.
Maintain a steady throttle until the transmission
shifts to 5th gear (or reasonable speed), then slow
the vehicle and come to a stop.
12. Save the snapshot if the entire event was recorded or increase the recording time setting as necessary
and repeat step 11.
13. Accelerate quickly until the accelerator pedal is to the floor. Maintain a steady pedal until the
transmission shifts to 3rd gear, then slow to a stop,
and save the snapshot.
08/08/21 14:45:32 61SNR030_140_0210
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DYNOMITE -2009-

Page 1125 of 2893

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Upshift: D Position
APP sensor A voltage: 1.3 V
APP sensor A voltage: 2.5 V
Fully-opened throttle
APP sensor A voltage: 4.4 V
Downshift: D Position APP sensor A voltage: 1.3 V
APP sensor A voltage: 2.5 V
Fully-opened throttle
APP sensor A voltage: 4.4 V
14-209
14. Review each snapshot individually, and compare the Shift Control, the APP Sensor A Voltage, and
the Vehicle Speed to the following table.
1st 2nd 14 18 km/h (9 11 mph)
2nd 3rd 29 35 km/h (18 22 mph)
3rd 4th 41 49 km/h (25 30 mph)
4th 5th 62 72 km/h (39 45 mph)
Lock-up ON 48 56 km/h (30 35 mph)
1st 2nd 24 30 km/h (15 19 mph)
2nd 3rd 49 59 km/h (30 37 mph)
3rd 4th 81 93 km/h (50 58 mph)
4th 5th 155 171 km/h (96 106 mph)
Lock-up ON 177 193 km/h (110 120 mph)
1st 2nd 54 64 km/h (34 40 mph)
2nd 3rd 100 112 km/h (62 70 mph)
3rd 4th 148 162 km/h (92 101 mph)
Lock-up OFF 46 54 km/h (29 34 mph)
5th 4th 47 57 km/h (29 35 mph)
4th 3rd 29 35 km/h (18 22 mph)
3rd1st 713km/h(48mph)
Lock-up OFF 106 118 km/h (66 73 mph)
Lock-up OFF 173 189 km/h (108 117 mph)
5th 4th 182 198 km/h (113 123 mph)
4th 3rd 123 137 km/h (76 85 mph)
3rd 2nd 84 96 km/h (52 60 mph)
2nd 1st 42 52 km/h (26 32 mph)
15. Drive the vehicle in 4th or 5th gear with the shift lever in S with the sequential sportshift mode, then
decelerate and downshift to 2nd gear by pressing
the paddle shifter (downshift switch). The
vehicle should immediately begin to slow down
from the engine braking, then slow to a stop.
16. Shift to R, accelerate from a stop at full throttle momentarily, and check for abnormal noise and
clutch slippage. 17. Park the vehicle on a slope (about 16-degrees),
apply the brake, and shift into P. Release the brake;
the vehicle should not move.
NOTE: Always use the brake to hold the vehicle,
when stopped on an incline in gear. Depending on
the grade of the incline, the vehicle could roll
backwards if the brake is released.
08/08/21 14:46:41 61SNR030_140_0211
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