2006 ACURA CSX lock


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YES
NO
YES
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YES
NO
YES
NO
DTC B1127:
22-12122-121
FRONT PASSENGER’S POWER
WINDOW SWITCH 8P CONNECTOR
LOCK (YEL)
UNLOCK (PUR)
12. Turn the ignition switch to LOCK (0).
13. Disconnect the front passenger’s window switch 8Pconnector.
14. Disconnect under-dash fuse/relay box connector T (34P).
15. Check for continuity between front passenger’s power window switch 8P connector terminals No. 1
(LOCK) and No. 6 (UNLOCK).
Repair a short in the wire between the LOCK
and UNLOCK wires.
Substitute a known-good front passenger’s
power window switch, and recheck. If the
symptom/indication goes away, replace the
original front passenger’s power window switch. If
not, the MICU is faulty, replace the under-dash
fuse/relay box (see page 22-66). NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-93).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Insert the ignition key into the driver’s door key cylinder switch, and turn the key in LOCK and
UNLOCK positions ten times.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure. The driver’s door key
cylinder switch system is OK at this time.
5. With the driver’s door key cylinder in the neutral position, select KEYLESS with the HDS, and enter
the DATA LIST.
6. Check the ON/OFF information of the DRIVER’S DOOR KEY CYLINDER SWITCH (LOCK) and
DRIVER’S DOOR KEY CYLINDER SWITCH
(UNLOCK) in the DATA LIST.
Go to step 12.
Go to step 7.
7. Disconnect the driver’s door lock actuator 10P connector.
8. Check the ON/OFF information of the DRIVER’S DOOR KEY CYLINDER SWITCH (LOCK) and
DRIVER’S DOOR KEY CYLINDER SWITCH
(UNLOCK) in the DATA LIST.
Faulty driver’s door key cylinder switch;
replace the driver’s door lock actuator.
Go to step 9. (cont’d)Driver’s Door Key Cylinder
Switch Signal Error
Wire side of female terminals
Is there continuity? I s DT C B1127 i nd i cat ed ?
Ar e bot h i nf or mat i on i nd i cat or s OF F ?Ar e bot h i nf or mat i on i nd i cat or s OF F ?
08/08/21 14:26:02 61SNR030_220_0123
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DYNOMITE -2009-



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22-122Keyless/Power Door Locks/Security System
DTC Troubleshooting (cont’d)
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
LOCK
(ORN)
UNLOCK (BRN) UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
LOCK
(ORN)
UNLOCK (BRN)
9. Turn the ignition switch to LOCK (0).
10. Disconnect under-dash fuse/relay box connector T (34P).
11. Check for continuity between under-dash fuse/relay box connector T (34P) terminals No. 31 (UNLOCK)
and No. 32 (LOCK) and body ground.
Faulty MICU, replace the under-dash fuse/
relay box (see page 22-66).
Go to step 12.
12. Turn the ignition switch to LOCK (0).
13. Disconnect the driver’s door lock actuator 10P connector.
14. Disconnect under-dash fuse/relay box connector T (34P). 15. Check for continuity between under-dash fuse/relay
box connector T (34P) terminals No. 31 (UNLOCK)
and No. 32 (LOCK).
Repair a short in the wire between the LOCK
and UNLOCK wires.
Substitute a known-good MICU, and recheck.
If the symptom/indication goes away, replace the
original MICU, if not, replace the driver’s door lock
actuator.
Wire side of female terminals Wire side of female terminals
Is there continuity?
Is there continuity?
08/08/21 14:26:02 61SNR030_220_0124
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DYNOMITE -2009-


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DTC B1128:
YES
NO
YES
NO YES
NO
YES
NO
22-123
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
LOCK (GRN)
UNLOCK (GRY)
Driver’s Door Lock Switch Signal
Error (LOCK/UNLOCK)
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-93).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Operate the driver’s door lock switch LOCK/ UNLOCK several times.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure. The driver’s door lock
system is OK at this time.
5. With the driver’s door lock switch in the neutral position, select KEYLESS from the HDS and enter
the DATA LIST.
6. Check the ON/OFF information of the DRIVER’S DOOR LOCK SWITCH (LOCK) and DRIVER’S DOOR
LOCK SWITCH (UNLOCK) in the DATA LIST.
Go to step 12.
Go to step 7.
7. Disconnect the driver’s power window master switch 22P connector. 8. Check the ON/OFF information of the DRIVER’S
DOOR LOCK SWITCH (LOCK) and DRIVER’S DOOR
LOCK SWITCH (UNLOCK) in the DATA LIST.
Faulty door lock switch; replace the driver’s
power window master switch (see page 22-219).
Go to step 9.
9. Turn the ignition switch to LOCK (0).
10. Disconnect under-dash fuse/relay box connector T (34P).
11. Check for continuity between under-dash fuse/relay box connector T (34P) terminals No. 28 (LOCK) and
No. 27 (UNLOCK) and body ground.
Repair a short in the LOCK or UNLOCK
wire.
Faulty MICU, replace the under-dash fuse/
relay box (see page 22-66).
(cont’d)
Wire side of female terminals
I s DT C B1128 i nd i cat ed ?Ar e bot h i nf or mat i on i nd i cat or s OF F ? Ar e bot h i nf or mat i on i nd i cat or s OF F ?
Is there continuity?
08/08/21 14:26:02 61SNR030_220_0125
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DYNOMITE -2009-


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YES
NO
YES
NO
YES
NO
DTC B1129:
22-12422-124Keyless/Power Door Locks/Security System
DTC Troubleshooting (cont’d)
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
LOCK (GRN)
UNLOCK (GRY)
12. Turn the ignition switch to LOCK (0).
13. Disconnect the power window master switch 22P
connector.
14. Disconnect under-dash fuse/relay box connector T (34P).
15. Check for continuity between under-dash fuse/relay box connector T (34P) terminals No. 28 (LOCK) and
No. 27 (UNLOCK).
Repair a short in the wire between the LOCK
and UNLOCK wires.
Substitute a known-good power window
master switch, and recheck. If the symptom/
indication goes away, replace the original power
window master switch. If not, the MICU is faulty,
replace the under-dash fuse/relay box (see page
22-66). NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-93).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Operate the driver’s door lock knob switch several times.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure. The system is OK at this
time.
5. Select KEYLESS from the BODY ELECTRICAL menu, and enter the DATA LIST.
6. Check the ON/OFF information of the DRIVER’S DOOR LOCK KNOB SWITCH (LOCK) and the
DRIVER’S DOOR LOCK KNOB SWITCH (UNLOCK).
Faulty MICU, replace the under-dash fuse/
relay box (see page 22-66).
Go to step 7.Driver’s Door Lock Knob Switch
Signal Error (LOCK/UNLOCK)
Wire side of female terminals
Is there continuity? I s DT C B1129 i nd i cat ed ?
Is the DRIV ER’S DOOR LOCK K NOB SW IT CH( LOCK ) i nf or mat i on i nd i cat or ON and t heDRIV ER’S DOOR LOCK K NOB SW IT CH(UNLOCK ) inf ormation indicator OFF with thedriver’s door lock knob switch in the LOCKposi t i on, and i s t he DRI V E R’ S DOOR LOCKK N OB SW I T CH ( LOCK ) i nf or mat i on i nd i cat orOF F and the DRIV ER’S DOOR LOCK K NOBSW IT CH (UNLOCK ) inf ormation indicator ONw i t h t he d r i v er ’ s d oor l ock k nob sw i t ch i n t heUNLOCK position?
08/08/21 14:26:02 61SNR030_220_0126
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DYNOMITE -2009-



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22-125
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
LOCK (LT GRN)
UNLOCK (WHT) UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
LOCK (LT GRN)
UNLOCK (WHT)
7. Disconnect the driver’s door lock actuator 10P
connector.
8. Check the ON/OFF information of the DRIVER’S DOOR LOCK KNOB SWITCH (LOCK) and DRIVER’S
DOOR LOCK KNOB SWITCH (UNLOCK) in the
DATA LIST.
Check for an open in the driver’s door lock
knob switch (LOCK) wire or the driver’s door lock
knob switch (UNLOCK) wire between the MICU and
the driver’s door lock knob switch. If OK, replace
the driver’s door lock actuator.
Go to step 9.
9. Turn the ignition switch to LOCK (0).
10. Disconnect under-dash fuse/relay box connector T (34P).
11. Check for continuity between under-dash fuse/relay box connector T (34P) terminals No. 23 (UNLOCK)
and No. 24 (LOCK) and body ground.
Repair a short to ground in the LOCK or
UNLOCK wire.
Go to step 12. 12. Check for continuity between under-dash fuse/relay
box connector T (34P) terminals No. 23 (UNLOCK)
and No. 24 (LOCK).
Repair a short in the wire between the LOCK
wire and UNLOCK wire.
Faulty MICU, replace the under-dash fuse/
relay box (see page 22-66).
Wire side of female terminals Wire side of female terminals
Ar e bot h i nf or mat i on i nd i cat or s OF F ?
Is there continuity? Is there continuity?
08/08/21 14:26:03 61SNR030_220_0127
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DYNOMITE -2009-

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Power Door Locks/Keyless
No.Symptom Check Items
22-126Keyless/Power Door Locks/Security System
Symptom Troubleshooting
1. If the door lock system works properly, but the keyless operation does not, refer to the immob
ilizer-keyless control
unit symptom troubleshooting information (see page 22- 321).
NOTE: The door lock system does not function when:  Any of the doors is open.
 Ignition key is in the ignition key switch.
 Ignition switch is ON (II).










1 The doors will not lock or unlock. MICU input test (see page 22-
131).
Driver’s door key cylinder switch test (see page 22-140).
Door lock switch test (see page 22-139).
Door lock knob switch test (see page 22-138).
2 The doors will not lock. MICU input test (see page 22- 131).
Door lock knob switch test (see page 22-138).
Driver’s door switch test (check the door switch ON/OFF
information with the HDS).
3 The doors will not unlock. MICU input test (see page 22- 131).
Door lock knob switch test (see page 22-138).
Door switch test (check the door switch ON/OFF
information with the HDS).
4 Keyless operation does not work (LOCK, UNLOCK, PANIC). Symptom troubleshooting (see page 22-127).
5 Doors will not unlock with the transmitter, but will unlock with the
door switch. Symptom troubleshooting (see page 22-129).
6 Doors will not lock with the transmitter, but will lock with the door switch. Symptom troubleshooting (see page 22-129).
7 Doors automatically relock after being unlocked with the transmitter even
though a door has been opened. Symptom troubleshooting (see page 22-130).
8 The horn does not sound when PANIC button on the transmitter pressed. Symptom troubleshooting (see page 22-129).
9 Keyless operation will work even though the ignition key is in the
ignition switch. Ignition key switch test (see page 22-207).
: If only one door is not working properly, check that door’s lock actuator first, then check the other items listed in this table.
08/08/21 14:26:03 61SNR030_220_0128
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DYNOMITE -2009-



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Keyless operation does not work (LOCK,
UNLOCK, PANIC)
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YES
NO YES
NO
YES
NO
22-127
IMMOBILIZER-KEYLESS CONTROL UNIT 7P CONNECTOR
VBU (WHT)
IGNITION KEY SWITCH 6P CONNECTOR GND
IG KEY SW
NOTE:
 Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first.
 Before troubleshooting, do the keyless transmitter test (see page 22-142).
1. Turn the ignition switch to ON (II).
2. Try to start the engine.
ThesystemisOK,gotostep3.
Go to the immobilizer symptom
troubleshooting (see page 22- 323).
3. Turn the ignition switch to LOCK (0).
4. Connect the HDS to the data link connector.
5. Close all doors, then turn the ignition switch to ON (II).
6. Enter the BODY ELECTRICAL menu, and check the door switch parameters.
Go to step 7.
Faulty door switch, or shorted door switch
wire. Repair as necessary.
7. Remove the ignition key from the ignition switch.
8. Disconnect the immobilizer-keyless control unit 7P connector. 9. Measure the voltage between immobilizer-keyless
control unit 7P connector terminal No. 1 and body
ground.
Go to step 10.
Check the fuse No. 23 (10 A) in the under-
hood fuse/relay box. If the fuse is blown, replace
the fuse and repair a short to ground in the wire. If
the fuse is OK, repair an open in the wire.
10. Disconnect the ignition key switch 6P connector.
11. At the ignition key switch side, check for continuity between ignition key switch 6P connector terminals
No. 1 and No. 2.
Faulty ignition key switch or short to ground,
replace the steering lock assembly (see page 17-14).
Go to step 12. (cont’d)
Wire side of female terminals
Terminal side of male terminals
Doestheenginestart? Do al l d oor sw i t ches i nd i cat e OF F ? Is there battery voltage?
Is there continuity?
08/08/21 14:26:03 61SNR030_220_0129
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DYNOMITE -2009-



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22-128Keyless/Power Door Locks/Security System
Symptom Troubleshooting (cont’d)
IGNITION KEY SWITCH 6P CONNECTOR
GND
IG KEY SW
IGNITION KEY SWITCH 6P CONNECTOR
IMMOBILIZER-KEYLESS CONTROL UNIT 7P CONNECTOR IG KEY SW (PNK)
IG KEY SW (PNK) IMMOBILIZER-KEYLESS CONTROL UNIT 7P CONNECTOR
IG KEY SW (PNK)
12. Insert the ignition key into the ignition switch.
13. At the ignition key switch side, check for continuitybetween ignition key switch 6P connector terminals
No. 1 and No. 2.
Go to step 14.
Faulty ignition key switch, replace the
steering lock assembly (see page 17-14).
14. Check for continuity between immobilizer-keyless control unit 7P connector terminal No. 6 and
ignition key switch 6P connector terminal No. 1.
Go to step 15.
Repair an open in the wire. 15. Check for continuity between immobilizer-keyless
control unit 7P connector terminal No. 6 and body
ground.
Repair a short to ground in the wire.
Replace the immobilizer-keyless control unit
(see page 22-332).
Terminal side of male terminals
Wire side of female terminalsWire side of female terminals Wire side of female terminals
Is there continuity?
Is there continuity? Is there continuity?
08/08/21 14:26:04 61SNR030_220_0130
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