Acura CSX. Manual — part 534
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22-183
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+
22-184
Turn Signal/Hazard Warning Lights
Circuit Diagram
4
5
5
4
G701
BLU
3
2
E40
BLK
E39
2
3
BRN
G701
BLK
T34
G602
BLK
SG
E6
G501
BLK
TURN SIGNAL/HAZARD WARNING LIGHTS CIRCUIT
G2
G6
BLK
BLK
BLK
BLK
BLK
WHT
IG1 HOT in ON (II) and START (III)
P1
P6
M2
G502
F1
G201
2
1
BRN
GRN
BLU
G1
G301
BLU
1
2
MICU
UNDER-DASH FUSE/RELAY BOX
IG1
BAT
IGNITION SWITCH
BLU
No. 10 (10 A)
E33
F20
PG
G601
B BACK UP
ORN
M1
YEL
BLK
G401
BLU
No. 23 (10 A)
BATTERY
No. 1 (BAT) (100 A)
UNDER-HOOD FUSE/RELAY BOX
No. 2 (IG) (50 A)
G503
TURN SIGNAL
INDICATOR
LEFT
SIDE
TURN
SIGNAL
LIGHT
(LED)
RIGHT
SIDE
TURN
SIGNAL
LIGHT
(LED)
RIGHT
FRONT
TURN
SIGNAL
LIGHT
(24 CP)
LEFT
FRONT
TURN
SIGNAL
LIGHT
(24 CP)
RIGHT
REAR
TURN
SIGNAL
LIGHT
(21 W)
LEFT
REAR
TURN
SIGNAL
LIGHT
(21 W)
H1
D4
D3
BRN
GRN
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22-185
D2
COMBINATION LIGHT SWITCH
5
2
4
1
12
2
1
BLK
S5
BRN
S18
S19
LT GRN
LEFT
RIGHT
MICU
UNDER-DASH FUSE/RELAY BOX
BLU
Q11
RED
GRY
WHT
GRN
R1
DASH LIGHTS
BRIGHTNESS
CONTROLLER
TURN
SIGNAL
SWITCH
HAZARD
WARNING
SWITCH
No. 10
(7.5 A)
LIGHT
(0.56 W)
No. 14 (7.5 A) FUSE
(UNDER-DASH
FUSE/RELAY BOX)
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−
−
−
−
−
−
DTC B1280:
YES
NO
When the turn signal switch is in left position
When the turn signal switch is in right position
YES
NO
When the turn signal switch is in left position
When the turn signal switch is in right position
YES
NO
22-186
Exterior Lights
DTC Troubleshooting
Turn Signal Switch 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. Operate the turn signal switch in left and right
positions, and wait for 6 seconds or more.
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, then enter DATA LIST.
6. Check each turn signal switch position value with
the DATA LIST menu.
Data List
Value
Turn Signal Switch (LEFT)
ON
Turn Signal Switch (RIGHT)
OFF
Data List
Value
Turn Signal Switch (LEFT)
OFF
Turn Signal Switch (RIGHT)
ON
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
Go to step 7.
7. Disconnect the combination light switch 12P
connector.
8. Check each turn signal switch position value with
the DATA LIST menu.
Data List
Value
Turn Signal Switch (LEFT)
ON
Turn Signal Switch (RIGHT)
OFF
Data List
Value
Turn Signal Switch (LEFT)
OFF
Turn Signal Switch (RIGHT)
ON
Replace the combination light switch
(see page 22-166).
Go to step 9.
9. Turn the ignition switch to LOCK (0).
10. Disconnect under-dash fuse/relay box connector S
(20P).
Is DT C B1280 indicated?
Ar e all data list values cor r ect?
Do both values now showing OF F ?
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