2006 ACURA CSX turn signal

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11-30611-306Idle Control System
DTC Troubleshooting (cont’d) A/C Signal Circuit Troubleshooting
37. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the A/C pressure sensor and the ECM/
PCM. If the ECM/PCM was updated, substitute a
known-good ECM/PCM (see page 11-7), then go to
step 34. If the ECM/PCM was substituted, go to step
1.
If the ECM/PCM was updated, troubleshooting
is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-228). If
any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting. 1. Start the engine, and let it idle.
2. Turn the blower switch on.
3. Turn the A/C switch on.
4. Check the A/C CLUTCH in the DATA LIST with the
HDS.
Go to step 5.
Do the A/C system test (see page 21-99).
5. Check the A/C system.
The air conditioning system circuit is OK.
Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Turn the ignition switch to ON (II).
8. Activate the A/C CLUTCH in the INSPECTION MENU with the HDS.
Do the A/C system test (see page 21-99).
Go to step 9.
9. Turn the ignition switch to LOCK (0).
10. Jump the SCS line with the HDS.
11. Disconnect ECM/PCM connector A (44P).
12. Turn the ignition switch to ON (II).
Is DT C P0533 ind icated ?
Does it indicate ON?
Does t he A/ C sy st em oper at e?
I s t her e a cl i ck i ng noi se f r om t he A/ C compr essorclutch?
08/08/21 14:29:36 61SNR030_110_0306
ProCarManuals.com
DYNOMITE -2009-



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11-30711-307
Alternator FR Signal Circuit
Troubleshooting
ECM/PCM CONNECTOR A (44P)
ACC (RED)JUMPER WIRE
ECM/PCM CONNECTOR B (44P)ALTF
(WHT/RED)
13. Momentarily connect ECM/PCM connector terminalA14 to body ground with a jumper wire s everal
times.
Update the ECM/PCM if it does not have the
latest software (see page 11-227), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original ECM/
PCM (see page 11-228).
Check for poor connections or loose terminals
attheA/CclutchrelayandtheECM/PCM.Ifthe
connections and the terminals are OK, check the
A/C compressor clutch relay (see page 22-70),
repair open in the wires between the ECM/PCM
(A14), the A/C compressor clutch relay, and other
A/C systems parts. 1. Start the engine, and let it idle.
2. Monitor the ALTERNATOR in the DATA LIST with
the HDS.
3. Check if the indicated percentage varies when the headlight switch is turned on.
The alternator signal circuit is OK.
Go to step 4.
4. Turn the headlight switch and ignition switch to LOCK (0).
5. Jump the SCS line with the HDS.
6. Disconnect the alternator 4P connector.
7. Disconnect ECM/PCM connector B (44P).
8. Check for continuity between body ground and ECM/PCM connector terminal B43.
Repair short in the wire between the ECM/
PCM (B43) and the alternator.
Update the ECM/PCM if it does not have the
latest software (see page 11-227), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original ECM/
PCM (see page 11-228).
Terminal side of female terminals
Terminal side of female terminals
I s t her e a cl i ck i ng noi se f r om t he A/ C compr essorclutch? Does t he per cent age v ar y ?
Is there continuity?
08/08/21 14:29:37 61SNR030_110_0307
ProCarManuals.com
DYNOMITE -2009-



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11-30711-307
Alternator FR Signal Circuit
Troubleshooting
ECM/PCM CONNECTOR A (44P)
ACC (RED)JUMPER WIRE
ECM/PCM CONNECTOR B (44P)ALTF
(WHT/RED)
13. Momentarily connect ECM/PCM connector terminalA14 to body ground with a jumper wire s everal
times.
Update the ECM/PCM if it does not have the
latest software (see page 11-227), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original ECM/
PCM (see page 11-228).
Check for poor connections or loose terminals
attheA/CclutchrelayandtheECM/PCM.Ifthe
connections and the terminals are OK, check the
A/C compressor clutch relay (see page 22-70),
repair open in the wires between the ECM/PCM
(A14), the A/C compressor clutch relay, and other
A/C systems parts. 1. Start the engine, and let it idle.
2. Monitor the ALTERNATOR in the DATA LIST with
the HDS.
3. Check if the indicated percentage varies when the headlight switch is turned on.
The alternator signal circuit is OK.
Go to step 4.
4. Turn the headlight switch and ignition switch to LOCK (0).
5. Jump the SCS line with the HDS.
6. Disconnect the alternator 4P connector.
7. Disconnect ECM/PCM connector B (44P).
8. Check for continuity between body ground and ECM/PCM connector terminal B43.
Repair short in the wire between the ECM/
PCM (B43) and the alternator.
Update the ECM/PCM if it does not have the
latest software (see page 11-227), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original ECM/
PCM (see page 11-228).
Terminal side of female terminals
Terminal side of female terminals
I s t her e a cl i ck i ng noi se f r om t he A/ C compr essorclutch? Does t he per cent age v ar y ?
Is there continuity?
08/08/21 14:29:37 61SNR030_110_0307
ProCarManuals.com
DYNOMITE -2009-


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11-308Idle Control System
Brake Pedal Position Switch Signal Circuit Troubleshooting
ECM/PCM CONNECTOR A (44P)
BKSW (LT GRN)
1. Turn the ignition switch to ON (II).
2. Check the BRAKE SWITCH in the DATA LIST withthe HDS.
Go to step 3.
Inspect the brake pedal position switch
(see page 19-6).
3. Press the brake pedal while checking the BRAKE SWITCH in the DATA LIST with the HDS.
The brake pedal position switch signal circuit
(BKSW line) is OK.
Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Jump the SCS line with the HDS.
6. Disconnect the brake pedal position switch 4P connector.
7. Disconnect ECM/PCM connector A (44P). 8. Check for continuity between ECM/PCM connector
terminal A40 and body ground.
Repair short in the wire between the ECM/
PCM (A40) and the No. 12 HORN/STOP (15 A) fuse.
Also, replace the No. 12 HORN/STOP (15 A) fuse.
Go to step 9.
Terminal side of female terminals
Does it indicate OFF?
Does i t change t o ON ? Is there continuity?
08/08/21 14:29:37 61SNR030_110_0308
ProCarManuals.com
DYNOMITE -2009-


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11-314Fuel Supply System
DTC Troubleshooting (cont’d)
FUEL TANK UNIT 4P CONNECTOR
SIGNAL
(ORN)
E
8.9 mm
(0.35 in.)
A
14. Check for continuity between fuel tank unit 4P
connector terminal No. 1 and body ground.
Repair short in the wire between the gauge
control module (tach) (signal line) and the fuel
gauge sending unit, then go to step 23.
Go to step 15.
15. Reconnect the gauge control module (tach) 36P connector.
16. Remove the fuel tank unit (see page 11-334).
17. Connect the fuel tank unit 4P connector.
18. Turn the ignition switch to ON (II).
19. Clear the DTC with the HDS. 20. Set the float (A) to the E position.
21. Check the fuel gauge.
Go to step 29.
Replace the gauge control module (tach)
(see page 22-277), then go to step 22.
22. Turn the ignition switch to LOCK (0).
23. Reconnect all connectors.
24. Install the parts in the reverse order of removal.
25. Turn the ignition switch to ON (II).
26. Reset the ECM/PCM with the HDS.
27. Do the ECM/PCM idle learn procedure (see page 11-310).
28. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the gauge control module (tach) and
the fuel gauge sending unit, then go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Wire side of female terminals
Is there continuity? Does the gauge move to the empty position?
Is DTC P0462 indicated?
08/08/21 14:29:43 61SNR030_110_0314
ProCarManuals.com
DYNOMITE -2009-

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)Vehicle speed Inhibitor Reverse selection
13-73
System Description
With 5th/6th selected
With reverse selected
Select lever
Change lever Select lock
cam A
Select lock cam B Select lock return spring
Direction of reverse selection Locked position
Inhibitor OFF
At vehicle speeds of 20 km/h (12 mph) or more, the ECM, which monitors the signals from the output shaft
(countershaft) speed sensor, activates the r everse lockout solenoid, which pushes select lock cam B into the locked
position. As a result, the select lever ca nnot rotate to the reverse select position, making it impossible to engage
reverse gear. As the vehicle speed drops to 15 km/h (9 mph) or less, the ECM turns off the reverse lockout solenoid.
The select lock return spring pulls back select lock cam B, enabling the select lever to move freely so reverse gear can
be selected.
Above 20 km/h (12 mph) ON Not allowedBelow 15 km/h (9 mph) OFF Allowed
Ignition switch LOCK (0) OFF Allowed
08/08/21 14:46:39 61SNR030_130_0075
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DYNOMITE -2009-

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General Operation
Torque Converter, Gears, and Clutches
Electronic Control
Hydraulic Control
Shift Control Mechanism
Lock-up Mechanism
14-28Automatic Transmission
System Description
The automatic transmission is a combination of a three-element torque converter and triple-shaft electronically
controlled unit which provides five speeds forward and one in reverse. The entire unit is positioned in line with the
engine.
The torque converter consists of a pump, turbine, and stator assembly in a single unit. The converter housing (pump)
is connected to the engine crankshaft and turns as the engine turns. Around the outside of the torque converter is a
ring gear which meshes with the starter drive gear when the engine is being started. The entire torque converter
assembly serves as a flywheel while transmitting power to the transmission mainshaft. The transmission has three
parallel shafts; the mainshaft, the countershaft, and the secondary shaft. The mainshaft is in line with the engine
crankshaft, and includes the 4th and 5th clutches, and gears for 5th, 4th, reverse, and idler. The mainshaft reverse gear
is integral with the mainshaft 4th gear. The countershaft includes the gears for 1st, 2nd, 3rd, 4th, 5th, reverse, park,
and the final drive. The final drive gear is integral with the countershaft. The countershaft 4th gear and the
countershaft r
everse gear can be locked to the countershaft providing 4th or r everse gear, depending on which way
the selector is moved. The secondary shaft includes the 1st, 2nd, and 3rd clutches, and gears for 1st, 2nd, 3rd, and
idler. The idler gear shaft is located between the mainshaft and the secondary shaft, and the idler gear transmits
power between the mainshaft and the secondary shaft. The gears on the mainshaft and the secondary shaft are in
constant mesh with those on the countershaft. When certain combinations of gears in the transmission are engaged
by the clutches, power is transmitted through the mainshaft, then to the secondary shaft to the countershaft, or
through the mainshaft to the countershaft to provide drive.
The electronic control system consists of the powertrain control module (PCM), sensors, and shift solenoid valves.
Shifting and lock-up are electronically controlled for comfortable driving under all conditions. The PCM is located in
the engine compartment.
The valve bodies include the main valve body, the regulator valve body, and the servo body. They are bolted to the
torque converter housing. The main valve body contains the manual valve, shift valves A, B, C, and E, the relief valve,
the lock-up control valve, the cooler check valve, the servo control valve, and the ATF pump gears. The regulator valve
body contains the regulator valve, the torque converter check valve, the lock-up shift valve, and the 1st and 3rd
accumulators. The servo body contains the servo valve, shift valve D, the accumulators for 2nd, 4th, and 5th, and shift
solenoid valves A, B, C, D, and E. Fluid from the regulator passes through the manual valve to the various control
valves. The 1st, 3rd, and 5th clutches receive fluid from their respective feed pipes, and the 2nd and 4th clutches
receive fluid from the internal hydraulic circuit.
To shift gears, the PCM controls shift solenoid valves A, B, C, D, and E, and A/T clutch pressure control solenoid valves
A, B, and C, while receiving input signals from various sensors and switches located throughout the vehicle. The shift
solenoid valves shift the positions of the shift valves to switch the port leading hydraulic pressure to the clutch. A/T
clutch pressure control solenoid valves A, B, and C regulate their respective pressure, and pressurize the clutches to
engage them and their corresponding gears. The pressure of the A/T clutch pressure control solenoid valves also
applies to the shift valves to switch the port.
The lock-up mechanism operates in D (2nd, 3rd, 4th, and 5th gears). The pressurized fluid is drained from the back of
the torque converter through a fluid passage, causing the torque converter clutch piston to be held against the torque
converter cover. As this takes place, the mainshaft rotates at the same speed as the engine crankshaft. Together with
the hydraulic control, the PCM optimizes the timing and volume of the lock-up mechanism. When shift solenoid valve
E is turned on by the PCM, shift solenoid valve E pressure switches the lock-up shift valve on and off. A/T clutch
pressure control solenoid valve A and the lock-up control valve control the degree of lock-up.
08/08/21 14:37:16 61SNR030_140_0030
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DYNOMITE -2009-

Electronic Control System (cont’d)
Shift ControlPosition Gear Position Shift Solenoid Valve
ABCDE
14-40 Automatic Transmission
System Description (cont’d)
The PCM instantly determines which gear should be selected by various signals sent from sensors and switches, and
it actuates shift solenoid valves A, B, C, D, and E to control gear selection.
Shift solenoid valves are a normally closed type. Shift solenoid valve opens the port of shift solenoid valve pressure
leading to shift valves while shift solenoid valve is turned ON by the PCM, and closes the port when shift solenoid
valve is OFF.
The combination of driving signals to shift solenoid valves A, B, C, D, and E are shown in the table.
D and S Shifting from N OFF ON ON OFF OFF
Stays in 1st ON ON ON OFF OFF
Shifting gears between 1st and
2nd OFF ON ON OFF OFF
Stays in 2nd OFF ON OFF ON OFF or ON
Shifting gears between 2nd and
3rd OFFONONONOFForON
Stays in 3rd OFF OFF ON OFF OFF or ON
Shifting gears between 3rd and
4th OFF OFF OFF OFF OFF or ON
Stays in 4th ON OFF OFF OFF OFF or ON
Shifting gears between 4th and
5th ON OFF OFF ON OFF or ON
Stays in 5th ON OFF ON ON OFF or ON
N Neutral OFF ON ON OFF OFF
R Shifting from P and N OFF ON OFF OFF ON
Stays in reverse ON ON OFF OFF ON
Reverse inhibit control OFF OFF ON OFF OFF
P Park OFF ON OFF OFF ON
08/08/21 14:38:21 61SNR030_140_0042
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DYNOMITE -2009-