2006 ACURA CSX Service Repair Manual

ECU octane pairing phone water pump fuel type wipers

Page 2105 of 2893

ACURA CSX 2006 Service Repair Manual
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DTC B1078:
YES
NO
YES
NO YES
NO
22-157
DTC Troubleshooting
UNDER-DASH FUSE/RELAY BOX CONNECTOR E (42P)
GND (BLK)
UNDER-D

Page 2106 of 2893

ACURA CSX 2006 Service Repair Manual

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YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
22-158Exterior Lights
DTC Troubleshooting (cont’d)
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P

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YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
22-158Exterior Lights
DTC Troubleshooting (cont’d)
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
BRH/L(HI)(WHT)
RIGHT HEADLIGHT (HIGH BEAM) 2P CONNECTOR B R H/L (HI) (WHT) UNDER-DASH FUSE/RELAY BOX CONNECTOR G (21P)
LEFT HEADLIGHT (HIGH BEAM) 2P CONNECTOR B L H/L (HI) (PNK)
B L H/L (HI) (PNK)
HEADLIGHT (HIGH BEAM) 2P CONNECTOR GND (BLK)
11. Check the No. 12, No. 13, and No. 18 fuses in theunder-dash fuse/relay box.
Go to step 12.
Replace the blown fuse and recheck. If the
No. 18 (20 A) fuse is blown again, replace the
under-dash fuse/relay box. If the No. 12 (10 A) or
No. 13 (10 A) fuse is blown again, repair a short in
the wire between the under-dash fuse/relay box
and appropriate headlight (high beam).
12. Check the headlight bulbs.
Go to step 13.
Replace the faulty bulb.
13. Disconnect under-dash fuse/relay box connectors F (34P) and G (21P).
14. Disconnect the both headlight (high beam) 2P connectors.
15. Check for continuity between right headlight (high beam) 2P connector terminal No. 2 and under-dash
fuse/relay box connector F (34P) terminal No. 22.
Go to step 16.
Repair an open in the wire between the right
headlight (high beam) and the under-dash fuse/
relay box. 16. Check for continuity between left headlight (high
beam) 2P connector terminal No. 2 and under-dash
fuse/relay box connector G (21P) terminal No. 15.
Go to step 17.
Repair an open in the wire between the left
headlight (high beam) and the under-dash fuse/
relay box.
17. Check for continuity between headlight (high beam) 2P connector terminal No. 1 and body
ground.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
Repair an open in the BLK wire or poor
ground (G 201-right side, G301-left side).
Wire side of female terminals
Wire side of female terminals Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Ar e al l f uses OK ? Ar e t he head l i ght bul bs OK ?
Is there continuity? Is there continuity?
Is there continuity?
08/08/21 14:26:57 61SNR030_220_0160
ProCarManuals.com
DYNOMITE -2009-

Page 2107 of 2893

ACURA CSX 2006 Service Repair Manual (# .
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DTC B1275:
DTC B1276:
DTC B1278:
YES
NO
When the combination light switch is turned OFF
When the combination light switch is

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DTC B1275:
DTC B1276:
DTC B1278:
YES
NO
When the combination light switch is turned OFF
When the combination light switch is turned to
PARKING (SMALL) When the combination light switch is turned ON
(HEADLIGHT)
YES
NO
When the combination light switch is turned OFF
YES
NO
22-159
Combination Light Switch OFF
Position Circuit Malfunction
Combination Light Switch
Parking (SMALL) Position Circuit Malfunction
Combination Light Switch ON
Position Circuit Malfunction
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. Turn the combination light switch to the PARKING (SMALL), and ON (low beam) positions for 6
seconds in each position, and then to the OFF
position.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure, the system is OK at this
time. Check for loose or poor connections.
5. Select LIGHTING from the BODY ELECTRICAL system select menu, and enter DATA LIST.
6. Check each combination light switch position value with the DATA LIST menu.
Data List Value
Headlight Switch (OFF) ON
Headlight Switch (PARKING) OFF
Headlight Switch (HEADLIGHT) OFF
Data List Value
Headlight Switch (OFF) OFF
Headlight Switch (PARKING) ON
Headlight Switch (HEADLIGHT) OFF Data List Value
Headlight Switch (OFF) OFF
Headlight Switch (PARKING) ON
Headlight Switch (HEADLIGHT) ON
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
Go to step 7.
7. Turn the ignition switch to LOCK (0).
8. Disconnect the combination light switch 12P connector.
9. Turn the ignition switch to ON (II).
10. Select LIGHTING from the BODY ELECTRICAL system select menu, and enter DATA LIST.
11. Check each combination light switch position value with the DATA LIST menu.
Data List Value
Headlight Switch (OFF) OFF
Headlight Switch (PARKING) OFF
Headlight Switch (HEADLIGHT) OFF
Go to step 15.
Go to step 12.
(cont’d)
I s DT C B12 7 5 , B12 7 6, or B12 7 8 i nd i cat ed ? Are all data list values correct?
Are all data list values indicated OFF?
08/08/21 14:26:57 61SNR030_220_0161
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DYNOMITE -2009-

Page 2108 of 2893

ACURA CSX 2006 Service Repair Manual Î
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YES
NO
YES
NO
YES
NO
YES
NO
22-160Exterior Lights
DTC Troubleshooting (cont’d)
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
H/L OFF
SW (ORN)
SMALL LT SW

Page 2109 of 2893

ACURA CSX 2006 Service Repair Manual Î
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DTC B1279:
YES
NO
When the passing switch is operated
When the headlight switch is turned ON, and the
dimmer

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DTC B1279:
YES
NO
When the passing switch is operated
When the headlight switch is turned ON, and the
dimmer switch changed from low beam to high
beam
YES
NO When the combination light switch is turned OFF
YES
NO
YES
NO
22-161
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
DIMMER SW
(LT BLU)
H/L ON
SW (PNK)
PASSING
SW (RED)
Headlight Switch DIMMER
Position Circuit Malfunction
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. Turn the combination light (headlight) switch ON.
4. Change the dimmer switch from low beam to high beam.
5. Turn the combination light switch OFF, and then to the passing position, and wait for at least 6 seconds.
6. Check for DTCs with the HDS.
Go to step 7.
Intermittent failure, the system is OK at this
time. Check for loose or poor connections.
7. Select LIGHTING from the BODY ELECTRICAL system select menu, then enter DATA LIST.
8. Check each combination light switch position value with the DATA LIST menu.
Data List Value
Headlight Switch (PASSING) ON
Headlight Switch (High beam) OFF
Data List Value
Headlight Switch (PASSING) OFF
Headlight Switch (High beam) ON
Headlight Switch (HEADLIGHT) ON
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
Go to step 9. 9. Turn the ignition switch to LOCK (0).
10. Disconnect the combination light switch 12P connector.
11. Turn the ignition switch to ON (II).
12. Select LIGHTING from the BODY ELECTRICAL system select menu, then enter DATA LIST.
13. Check each combination light switch position value with the DATA LIST menu.
Data List Value
Headlight Switch (PASSING) OFF
Headlight Switch (High beam) OFF
Headlight Switch (HEADLIGHT) OFF
Go to step 17.
Go to step 14.
14. Turn the ignition switch to LOCK (0).
15. Disconnect under-dash fuse/relay box connector S (20P).
16. Check for continuity between body ground and under-dash fuse/relay box connector S (20P)
terminals No. 11, No. 12, and No. 16 individually.
Repair a short to ground in the wire.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
(cont’d)
Wire side of female terminals
Is DTC B1279 indicated?
Are all data list values correct? Are all data list values indicated OFF?
Is there continuity?
08/08/22 16:38:06 61SNR030_220_0163
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DYNOMITE -2009-

Page 2110 of 2893

ACURA CSX 2006 Service Repair Manual Îµ
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YES
NO
YES
NO YES
NO
22-162
Exterior Lights
DTC Troubleshooting (cont’d)
COMBINATION LIGHT SWITCH 12P CONNECTOR
COMBI GND (BLK)
H/L ON
SW (PNK) UNDER-DASH FUSE/RELAY B

Page 2111 of 2893

ACURA CSX 2006 Service Repair Manual Î
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22-163
MICU Input Test
UNDER-DASH FUSE/RELAY BOX CONNECTOR E (42P)
BLK RED
GRN WHT
ORN
PNKPUR
WHT
GRY LT BLU UNDER-DASH FUSE/RELAY BOX CONNECT

Page 2112 of 2893

ACURA CSX 2006 Service Repair Manual Cavity Wire Test conditionTest: Desired result Possible cause if desired result
is not obtained
22-164Exterior Lights
MICU Input Test (cont’d)
4. Inspect the connector and socket terminals to be sur

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