control arm ACURA CSX 2006 Service User Guide

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Special Tools Required
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4-6Starting System
Starter System Circuit Troubleshooting
OTC3131
Alternator, Regulator, Battery & Starter tester OTC3131
Available through the Honda Canada Inc. Technical
Tools Department; FAX
866-398-8665/e-mail:
ch_technicaltools ch.honda.com
NOTE:  Air temperature must be within 15 38 °C (59 100 °F) during this procedure.
 After this inspection, you must reset the engine control module (ECM)/powertrain control module
(PCM). Otherwise, the ECM/PCM will continue to stop
the fuel injectors from operating.
 The battery must be in good condition and fully charged.
1. Connect the alternator, regulator, battery & starter tester (OTC3131) to the battery as shown.
NOTE: The probe is not used for battery testing.
2. Do the BATTERY TEST. ThebatteryisOK.Gotostep3.
If the display indicates BAD BATTERY, replace
the battery, then retest. If the display indicates
CHARGE & RETEST, charge the battery, then retest. 3. Connect the Honda Diagnostic System (HDS) to the
data link connector (DLC) (see step 2 on page 11-3).
4. Turn the ignition switch to ON (II).
5. Make sure the HDS communicates with the vehicle and the ECM/PCM. If it does not communicate,
troubleshoot the DLC circuit (see page 11-204).
6. Select ALL INJECTORS STOP in the PGM-FI INSPECTION menu with the HDS.
7. Set the parking brake, then with the shift lever in N or P (A/T model) or the clutch pedal pressed (M/T
model), turn the ignition switch to START (III).
The starting system is OK. Go to step 14.
Go to step 8.
8. Turn the ignition switch to LOCK (0).
9. Check the electrical connections at the battery, the negative battery cable to the body, the engine
ground cables, and the starter for looseness and
corrosion. Then try cranking the engine again.
Repairing the loose connection corrected the
problem. The starting system is OK. Go to step 14.
Based on the following symptoms, take the
appropriate action:
 If the starter does not crank the engine at all, go to step 10.
 If the starter cranks the engine erratically or too slowly,gotostep12.
 If the starter does not disengage from the flywheel ring gear (M/T model) or torque
converter ring gear (A/T model) when you
release the key, replace the starter, or remove
and disassemble it, and check for the following:
– Starter solenoid and switch malfunction
– Dirty drive gear or damaged overrunning clutch
Does the display indicate GOOD or GOOD, LOWCHARGE? Does t he st ar t er cr ank t he engi ne nor mal l y ?
Does t he st ar t er cr ank t he engi ne nor mal l y ?
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Ignition Timing
M/T model: 8 ° 2 ° BTDC (RED mark (B)) at
idle in neutral
A/T model: 8 ° 2 ° BTDC (RED mark (B)) at idle in N or P
4-20Ignition System
Ignition Timing Inspection
A
B
1. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC) (see step 2 on page 11-3).
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11- 204).
4. Check for DTCs (see page 11-3). If a DTC is present, diagnose and repair the cause before continuing
with this test.
5. Start the engine. Hold the engine speed at 3,000 rpm with no load (in N or P (A/T model) or
neutral (M/T model)) until the radiator fan comes
on, then let it idle.
6. Check the idle speed (see page 11-309).
7. Jump the SCS line with the HDS.
8. Connect the timing light to the service loop (white tape). 9. Aim the light toward the pointer (A) on the cam
chain case. Check the ignition timing under a no
load condition (headlights, blower fan, rear window
defogger, and air conditioner are turned off).
10. If the ignition timing differs from the specification, check the cam timing. If the cam timing is OK,
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
system work properly, and the ECM/PCM was
substituted, replace the original ECM/PCM
(see page 11-228).
11. Disconnect the HDS and the timing light.
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4-23
Charging System
Component Location Index
BATTERY
DRIVE BELT CHARGING SYSTEM INDICATOR
(In the gauge control module (tach))
UNDER-HOOD FUSE/RELAY BOX
(Has built-in ELECTRICAL LOAD
DETECTOR (ELD))
ALTERNATOR
DRIVE BELT AUTO-TENSIONER
IDLER PULLEY
Test, page 22-67
Inspection, page 4-30
Replacement, page 4-31 Removal and Installation, page 4-34
Overhaul, page 4-38
Inspection, page 4-31
Removal/Installation, page 4-32
Tensioner Pulley Replacement,
page 4-33
Replacement,
page 4-34
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Symptom Diagnostic procedure Also check for
4-24
Charging System
Symptom Troubleshooting Index
Charging system
indicator does not come
on with the ignition
switch in ON (II)
Troubleshoot the charging system indicator circuit
(see page 4-26).
Charging system
indicator stays on 1.
2.
3.
4.Troubleshoot the charging system indicator circuit
(see page 4-26).
Check for a broken drive belt (see page 4-30).
Check the drive belt auto-tensioner (see page 4-31).
Check for PGM-FI DTCs (see page 11-3).
Battery discharged 1. 2.
3.
4.
5.
6.Check for a poor connection at the battery terminal.
Check for a broken drive belt (see page 4-30).
Test the battery (see page 22-67).
Troubleshoot the alternator and regulator circuit
(see page 4-28).
Check the drive belt auto-tensioner (see page 4-31).
Check for excessive parasitic electrical current draw
with the ignition switch to LOCK (0), and the key
removed. The multiplex control unit may take up to 10
minutes to turn off (sleep mode) for same models.
Battery overcharged 1. 2.Test the battery (see page 22-67).
Troubleshoot the alternator and regulator circuit
(see page 4-28).
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4-25
Circuit Diagram
6
3
191 F5
17 D2
A3
A2 H1
ELD
CANL
CANH
ALTF ALTC ALTL
5V
ALTERNATOR DRIVER
YEL
FR L C IG BRN
ELD
A23 GAUGE CONTROL MODULE (TACH)
IGNITION SWITCH
BATIG1
B43 B42 B41 A37
A36 RED
WHT CPU
YEL
1
BLK/YEL
No. 2 (50 A)
BLK
RECTIFIER
BATTERY
VOLTAGE REGULATOR2
3
4
B
BLK
G301
UNDER-HOOD FUSE/RELAY BOX
No. 1 (100 A)
ORN
WHT/RED WHT/GRNWHT/BLU UNDER-DASH
FUSE/RELAY BOX
CHARGING
SYSTEM
INDICATOR
IG1 HOT in ON (II)
and START (III)
A1
ECM/PCM BLU
Q9
WHT
22
17C101
CANH
CANL
YEL
No. 10
(7.5 A)
No. 3
(10 A)
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4-26Charging System
Charging System Indicator Circuit Troubleshooting
ALT L
(WHT/BLU)
ECM/PCM CONNECTOR B (44P)
NOTE: Check for stored DTCs in the PGM-FI before
troubleshooting the charging system indicator.
1. Turn the ignition switch to ON (II).
Go to step 2.
Go to step 14.
2. Start the engine. Hold the engine speed at 2,000 rpm for 1 minute.
Charging system indicator circuit is OK. Go
to the alternator and regulator circuit
troubleshooting (see page 4-28).
Go to step 3.
3. Do the gauge control module self-diagnostic function procedure (see page 22-241).
Go to step 4.
Replace the gauge control module (tach)
(see page 22-277).
4. Turn the ignition switch to LOCK (0).
5. Disconnect the alternator 4P connector.
6. Turn the ignition switch to ON (II).
Replace the alternator (see page 4-34), or
repair the alternator (see page 4-38).
Go to step 7. 7. Turn the ignition switch to LOCK (0).
8. Connect the Honda Diagnostic System (HDS) to the
data link connector (DLC) (see step 2 on page 11-3).
9. Turn the ignition switch to ON (II).
10. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11-204).
11. Jump the SCS line with the HDS, then turn the ignition switch to LOCK (0).
NOTE: This step must be done to protect the ECM/
PCMfromdamage.
12. Disconnect ECM/PCM connector B (44P).
13. Check for continuity between ECM/PCM connector terminal B42 and body ground.
Repair short to ground in the wire between
alternator 4P connector terminal No. 3 and ECM/
PCM connector terminal B42.
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
Does t he char gi ng sy st em i nd i cat or come on?
Does t he char gi ng sy st em i nd i cat or go of f ?
Does t he char gi ng sy st em i nd i cat or f l ash?
Does t he char gi ng sy st em i nd i cat or go of f ? Is there continuity?
08/08/21 14:10:11 61SNR030_040_0027
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4-27
ALTERNATOR 4P CONNECTOR
L
(WHT/BLU) JUMPER
WIER
ALT L
(WHT/BLU)
ECM/PCM CONNECTOR B (44P)
L
(WHT/BLU)
ALTERNATOR
4P CONNECTOR
14. Do the gauge control module self-diagnostic function procedure (see page 22-241).
Go to step 15.
Replace the gauge control module (tach)
(see page 22-277).
15. Turn the ignition switch to LOCK (0).
16. Disconnect the alternator 4P connector.
17. Connect alternator 4P connector terminal No. 3 and body ground with a jumper wire.
18. Turn the ignition switch to ON (II). Replace the alternator (see page 4-34), or
repair the alternator (see page 4-38).
Disconnect the jumper wire, then go to step
19.
19. Turn the ignition switch to LOCK (0). 20. Connect the HDS to the DLC (see step 2 on page
11-3).
21. Turn the ignition switch to ON (II).
22. Make sure the HDS communicates with the vehicle and the ECM/PCM. If it does not communicate,
troubleshoot the DLC circuit (see page 11-204).
23. Jump the SCS line with the HDS, then turn the ignition switch to LOCK (0).
NOTE: This step must be done to protect the ECM/
PCMfromdamage.
24. Disconnect ECM/PCM connector B (44P).
25. Check for continuity between ECM/PCM connector terminal B42 and alternator 4P connector terminal
No. 3.
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).
Repair open in the wire between alternator 4P
connector terminal No. 3 and ECM/PCM connector
terminal B42.
Wire side of female terminals Terminal side of female terminals
Wire side of
female terminals
Does t he char gi ng sy st em i nd i cat or f l ash?
Does t he char gi ng sy st em i nd i cat or come on? Is there continuity?
08/08/21 14:10:11 61SNR030_040_0028
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4-28
Charging System
Alternator and Regulator Circuit Troubleshooting
OTC3131
Alternator, Regulator, Battery & Starter tester OTC3131
Available through the Honda Canada Inc. Technical
Tools Department; FAX
866-398-8665/e-mail:
ch_technicaltools ch.honda.com
1. Make sure the battery connections are good and the battery is sufficiently charged.
2. Connect the alternator, regulator, battery & starter tester (OTC3131) to the battery as shown.
3. Start the engine. Hold the engine speed at 3,000 rpm with no load (in N or P (A/T model) or
neutral (M/T model)) until the radiator fan comes
on, then let it idle.
4. Do the CHARGING SYSTEM TEST.
Go to step 5.
If the voltage is less than 13.5 V, go to
alternator control circuit troubleshooting (see page
4-29). If the voltage is over 15.1 V and amperage is
less than 87.5 A, replace the alternator (see page
4-34) or repair the alternator (see page 4-38). 5. Check the diode condition on the display.
The diode is OK. Troubleshooting is
complete.
If the display indicates BAD, replace the
alternator (see page 4-34) or repair the alternator
(see page 4-38), then retest.
NOTE: If the display indicates N/A, the diode
pattern could not be diagnosed. Repeat the test
again. If test is complete, use multimeter to
perform further pinpoint testing, then retest.
Does the display indicate the voltage is within 13.5 15 .1 V t he amper age i s 87 .5 A or mor e? Does t he d i spl ay i nd i cat e GOOD?
08/08/21 14:10:11 61SNR030_040_0029
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4-29
Alternator Control Circuit Troubleshooting
BATTERY
ALTERNATOR
4P CONNECTOR C (WHT/GRN) ALT C
(WHT/GRN)
ECM/PCM CONNECTOR B (44P)
1. Connect the Honda Diagnostic System (HDS) to the
data link connector (DLC) (see step 2 on page 11-3).
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11- 204).
4. Check for DTCs (see page 11-3). If a DTC is present, diagnose and repair the cause before continuing
with this test.
5. Disconnect the alternator 4P connector.
6. Start the engine, and turn on the headlights to high beam.
7. Measure the voltage between alternator 4P connector terminal No. 2 and the positive terminal
of the battery.
Go to step 11.
Go to step 8.
8. Jump the SCS line with the HDS, then turn the ignition switch to LOCK (0).
NOTE: This step must be done to protect the ECM/
PCM from damage.
9. Disconnect ECM/PCM connector B (44P). 10. Check for continuity between ECM/PCM connector
terminal B41 and body ground.
Repair short to ground in the wire between
alternator 4P connector terminal No. 2 and ECM/
PCM connector terminal B41.
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).
11. Jump the SCS line with the HDS, then turn the ignition switch to LOCK (0).
NOTE: This step must be done to protect the ECM/
PCMfromdamage.
12. Disconnect ECM/PCM connector B (44P).
(cont’d)
Wire side of
female terminals Terminal side of female terminals
Is t her e 1 V or l ess?
Is there continuity?
08/08/21 14:10:12 61SNR030_040_0030
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4-304-30 Charging System
Alternator Control Circuit
Troubleshooting (cont’d)
Drive Belt Inspection
C (WHT/GRN)
ALTERNATOR
4P CONNECTOR ALT C
(WHT/GRN)
ECM/PCM CONNECTOR B (44P)
A
B
13. Check for continuity between ECM/PCM connector terminal B41 and alternator 4P connector terminal
No. 2.
Replace the alternator (see page 4-34), or
repair the alternator (see page 4-38).
Repair open in the wire between alternator 4P
connector terminal No. 2 and ECM/PCM connector
terminal B41. 1. Inspect the belt for cracks or damage. If the belt is
cracked or damaged, replace it (see page 4-31).
2. Check the position of the auto-tensioner indicator (A) is within the standard range (B) as shown. If it is
out of the standard range, replace the drive belt
(see page 4-31).
Wire side of
female terminals
Terminal side of female terminals
Is there continuity?
08/08/21 14:10:12 61SNR030_040_0031
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