2006 ACURA CSX Service Repair Manual

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Page 465 of 2893

ACURA CSX 2006 Service Repair Manual
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YES
NO
YES
NO
11-142PGM-FI System
DTC Troubleshooting (cont’d)
ECM/PCM CONNECTOR A (44P)
MRLY (GRN)
C ECM/PCM CONNECTOR A (44P)
MRLY (GRN)
C
10. Measure the

Page 466 of 2893

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NO
YES
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YES
NO
YES
NO
11-143
ECM/PCM CONNECTOR A (44P)
IGP (ORN)
14. Measure the voltage between ECM/PCM connectorterminal A8 and body ground.
Repair short to

Page 467 of 2893

ACURA CSX 2006 Service Repair Manual (#
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DTC P0602: DTC P0603:
DTC P062F:
YES
NO YES
NO
YES
NO
11-14411-144PGM-FI Sy

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DTC P0602: DTC P0603:
DTC P062F:
YES
NO YES
NO
YES
NO
11-14411-144PGM-FI System
DTC Troubleshooting (cont’d)
ECM/PCM Programming Error
ECM/PCM Internal Control
Module Keep Alive Memory (KAM) Error
(’06-08 models)
ECM/PCM Internal Control
Module Keep Alive Memory (KAM) Error
(’09 model)
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
This DTC is indicated when a ECM/PCM update is not completed.
Do not turn the ignition switch to LOCK (0) or ACC (I) while updating the ECM/PCM. If you do, the ECM/
PCM can be damaged.
1. Do the ECM/PCM update procedure (see page 11-227).
2. Check for Temporary DTCs or DTCs with the HDS.
Replace the original ECM/PCM (see page
11-228).
The update is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting. NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
Information marked with an asterisk ( ) applies to the ’06-08 models.
Information marked with a double asterisk ( ) applies to the ’09 model.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.
Go to step 4.
Intermittent failure, the system is OK at this
time.
4. 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).
5. Check for Temporary DTCs or DTCs with the HDS.
If the ECM/PCM was updated, substitute a
known-good ECM/PCM (see page 11-7), then
recheck. 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.
Is DT C P0602 ind icated ?
Is DT C P0603 ( P062F ) ind icated ?
Is DT C P0603 ( P062F ) ind icated ?
08/08/21 14:18:58 61SNR030_110_0144
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Page 468 of 2893

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DTC P0606: DTC P060A:
YES
NO
YES
NO YES
NO
YES
NO
11-14511-145
ECM/

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DTC P0606: DTC P060A:
YES
NO
YES
NO YES
NO
YES
NO
11-14511-145
ECM/PCM Processor Malfunction
PCM (A/T system) Internal
Control Module Malfunction
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Turn the ignition switch to ON (II).
5. Wait 40 seconds.
6. Check for Temporary DTCs or DTCs with the HDS.
Go to step 7.
Intermittent failure, the system is OK at this
time.
7. 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).
8. Turn the ignition switch to LOCK (0).
9. Turn the ignition switch to ON (II).
10. Wait 40 seconds.
11. Check for Temporary DTCs or DTCs with the HDS.
If the ECM/PCM was updated, substitute a
known-good ECM/PCM (see page 11-7), then go to
step 8. 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. NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.
Go to step 4.
Intermittent failure, the system is OK at this
time.
4. Update the PCM if it does not have the latest software (see page 11-227), or substitute a known-
good PCM (see page 11-7).
5. Check for Temporary DTCs or DTCs with the HDS.
If the PCM was updated, substitute a known-
good PCM (see page 11-7), then recheck. If the PCM
was substituted, go to step 1.
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-228). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Is DT C P0606 ind icated ?
Is DT C P0606 ind icated ? Is DT C P060A ind icated ?
Is DT C P060A ind icated ?
08/08/21 14:18:58 61SNR030_110_0145
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Page 469 of 2893

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DTC P0630:
YES
NO
YES
NO
YES
NO YES
NO
YES
NO
11-146
PGM-FI System
DTC Troubleshooting (cont’d)
VIN Not Pro

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DTC P0630:
YES
NO
YES
NO
YES
NO YES
NO
YES
NO
11-146
PGM-FI System
DTC Troubleshooting (cont’d)
VIN Not Programmed or
Mismatch
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
This DTC is stored only when the ECM/PCM does not have the VIN information of the vehicle. Use the HDS
to input the missing VIN information.
Information marked with an asterisk ( ) applies to the ’06-08 models.
Information marked with a double asterisk ( ) applies to the ’09 model.
1. Turn the ignition switch to ON (II).
2. Check the VIN with the HDS.
Go to step 5.
Go to step 3.
3. Input the VIN to the ECM/PCM with the HDS.
Go to step 5.
Go to step 4.
4. Check for DTCs with the HDS.
Go to the DTC P0603 (P062F)
troubleshooting (see page 11- 144).
Go to step 9.
5. Clear the DTC with the HDS.
6. Turn the ignition switch to LOCK (0).
7. Turn the ignition switch to ON (II), and wait 5 seconds. 8. Check for Temporary DTCs or DTCs with the HDS.
Go to step 9.
Intermittent failure, the system is OK at this
time. If any other Temporary DTCs or DTCs are
indicated, go to the indicated DTC’s
troubleshooting.
9. 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).
10. Check for Temporary DTCs or DTCs with the HDS.
If the ECM/PCM was updated, substitute a
known-good ECM/PCM (see page 11-7), then
recheck. 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.
Does the HDS show the vehicle’s V IN?
Does t he scr een show COM PLE T E ?Is DT C P0603 ( P062F ) ind icated ? Is DT C P0630 ind icated ?
Is DT C P0630 ind icated ?
08/08/21 14:18:59 61SNR030_110_0146
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Page 470 of 2893

ACURA CSX 2006 Service Repair Manual (#
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DTC P0685:
YES
NO YES
NO
11-147
ECM/PCM Power Control Circuit/
Internal Circuit Malfunction
NOTE:
Before you troubleshoot, record a

Page 471 of 2893

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DTC P0720:
YES
NO
YES
NO YES
NO
YES
NO
11-148
PGM-FI System
DTC Troubleshooting (cont’d)
Output Shaft (Counters

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DTC P0720:
YES
NO
YES
NO YES
NO
YES
NO
11-148
PGM-FI System
DTC Troubleshooting (cont’d)
Output Shaft (Countershaft)
Speed Sensor Circuit Malfunction
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Check for Temporary DTCs or DTCs in the A/T SYSTEM with the HDS.
Troubleshoot for DTC P 0722 in the A/T
system (see page 14-111).
Go to step 3.
3. Update the PCM if it does not have the latest software (see page 11-227), or substitute a known-
good PCM (see page 11-7).
4. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1)above80°C(176°F)
Transmission in D
ENGINE S PEED between 2,000 4,500 rpm
Drive for several minutes, then decelerate (with throttle fully closed) for 5 seconds or more
5. Check for Temporary DTCs or DTCs in the PGM-FI SYSTEM with the HDS.
Go to step 6.
Go to step 7. 6. Check for Temporary DTCs or DTCs in the A/T
SYSTEM with the HDS.
Troubleshoot for DTC P0722 in the A/T
system (see page 14-111).
If the PCM was updated, substitute a known-
good PCM (see page 11-7). If the PCM was
substituted, check for poor connections or loose
terminals at the output shaft (countershaft) speed
sensor and the PCM, then go to step 1.
7. Monitor the OBD STATUS for DTC P0720 in the DTCs MENU with the HDS.
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-228).
If the screen indicates FAILED, check for poor
connections or loose terminals at the output shaft
(countershaft) speed sensor and the PCM. If the
PCM was updated, substitute a known-good PCM
(see page 11-7), then go to step 4. If the PCM was
substituted, go to step 1. If the screen indicates
NOT COMPLETED, go to step 4.
Is DTC P0722 indicated?
Is DTC P0720 indicated? Is DTC P0722 indicated?
Does t he scr een i nd i cat e PASSE D?
08/08/21 14:18:59 61SNR030_110_0148
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Page 472 of 2893

ACURA CSX 2006 Service Repair Manual

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DTC P0720:
YES
NO YES
NO
YES
NO
11-149
OUTPUT SHAFT (COUNTERSHAFT)
SPEED SENSOR 3P CONNECTOR
VCC1 (YEL/RED)
(VCC2 (

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