ACURA CSX 2006 Service Repair Manual


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TYPE S model
22-18122-181
Brake Pedal Position Switch Test
A B
A
B
1. Remove the two screws from the high mount brakelight (A).
2. Disconnect the terminals (B) and remove the high mount brake light.
3. Install the high mount brake light in the r everse
order of removal. 1. Disconnect the 4P connector (A) from the brake
pedal position switch (B).
2. Check for continuity between terminals No. 1 and No. 2.
 There should be continuity when the brake pedal is pressed.
 There should be no continuity when the brake pedal is released.
3. Check for continuity between terminals No. 3 and No. 4 (with cruise control).
 There should be no continuity when the brake pedal is pressed.
 There should be continuity when the brake pedal is released.
4. If necessary, adjust or replace the switch, or adjust the pedal height (see page 19-6).
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22-182Turn Signal/Hazard Warning Lights
Component Location Index
HAZARD WARNING SWITCH
TURN SIGNAL INDICATORS
TURN SIGNAL SWITCH
(Built into the combination switch)
MICU
(Built into the under-dash fuse/relay box) Test/Replacement, page 22-192
Test/Replacement, page 22-166
Input Test, page 22-188
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22-183
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22-184Turn Signal/Hazard Warning Lights
Circuit Diagram
4
5
5 4
G701BLU
3
2E40
BLK E39
2 3
BRN
G701 BLK
T34
G602BLKSG
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 BBACKUP
ORN
M1
YEL
BLK
G401 BLUNo. 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
BRNS18
S19
LT GRN
LEFT RIGHT MICU
UNDER-DASH FUSE/RELAY BOX BLU
Q11 REDGRY
WHT
GRN
R1
DASH LIGHTS
BRIGHTNESS
CONTROLLER
TURN
SIGNAL
SWITCH HAZARD
WARNING
SWITCH
No. 10
(7.5 A)
LIGHT
(0.56 W)
No.14(7.5A)FUSE
(UNDER-DASH
FUSE/RELAY BOX)
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µ
µ
µ
µ µ
µ
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 DTC B1280 indicated?
Are all data list values correct? Do bot h v al ues now show i ng OF F ?
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YES
NO
YES
NO
22-187
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
RIGHT
(BRN)LEFT
(LT GRN)
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P) RIGHT
(BRN)LEFT
(LT GRN)
11. Check for continuity between body ground and
under-dash fuse/relay box connector S (20P)
terminals No. 18 and No. 19 individually.
Repair a short to ground in the wire.
Go to step 12.
12. Check for continuity between under-dash fuse/relay box connector S (20P) terminals No. 18 and No. 19.
Repair a short between the wires.
Replace the combination light switch.
Wire side of female terminals
Wire side of female terminals
Is there continuity?
Is there continuity?
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22-188Turn Signal/Hazard Warning Lights
MICU Input Test
UNDER-DASH FUSE/RELAY BOX CONNECTOR E (42P)
BLK
BRN BLU UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR G (21P)
YEL BLK
BLK BLU
GRN GRN
1. Before troubleshooting the turn signal/hazard warning lights system, troubleshoot the system using B-CAN
System Diagnosis Test Mode A (see page 22-93).
2. Check the No. 10 (7.5 A) fuse in the under-dash fuse/relay box. If the fuse is blown, replace it and go to step 3.
3. Disconnect under-dash fuse/relay box connectors E, F, G, M, P, Q, R, S, and T. NOTE: All connector views are shown from wire side of female terminals.
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22-189
UNDER-DASH FUSE/RELAY BOX
CONNECTOR M (10P)UNDER-DASH FUSE/RELAY BOX
CONNECTOR P (10P)
UNDER-DASH FUSE/RELAY BOX
CONNECTOR Q (16P) UNDER-DASH FUSE/RELAY BOX
CONNECTOR S (20P)
UNDER-DASH FUSE/RELAY BOX
CONNECTOR R (20P) UNDER-DASH FUSE/RELAY BOX
CONNECTOR T (34P)
BLU
GRN
BLKBRNLT GRN
WHT BLU
GRN
GRN BLK
4. Inspect the connector and socket terminals to be sure they are all making good contact. If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.
 IftheterminalslookOK,gotostep5.
(cont’d)
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Cavity Wire Test conditionTest: Desired result Possible cause if result desired is
not obtained
22-190Turn Signal/Hazard Warning Lights
MICU Input Test (cont’d)
5. With the connectors still disconnected, do these input tests at the following connectors.
 If any test indicates a problem, find and correct the cause, then recheck the system.
 If all the input tests prove OK, go to step 6.
























E39 BRN Under all conditions Connect terminals G2 and E39
with a jumper wire:
The right rear turn signal light
should come on.Poor ground (G701)
Blown bulb
An open in the wire
E40 BLU Under all conditions Connect terminals G2 and E40 with a jumper wire:
The left rear turn signal light
should come on.Poor ground (G701)
Blown bulb
An open in the wire
F1 BRN Under all conditions Connect terminals G2 and F1 with a jumper wire:
The right front turn signal light
should come on.Poor ground (G201)
Blown bulb
An open in the wire
G1 BLU Under all conditions Connect terminals G2 and G1 with a jumper wire:
The left front turn signal light
should come on.Poor ground (G301)
Blown bulb
An open in the wire
M1 BLU Under all conditions Connect terminals G2 and M1 with a jumper wire:
The left side turn signal light
should come on.Poor ground (G503)
Blown LED
An open in the wire
M2 GRN Under all conditions Connect terminals G2 and M2 with a jumper wire:
The right side turn signal light
should come on.Poor ground (G502)
Blown LED
An open in the wire
P1 GRN Under all conditions Connect terminals G2 and P1 with a jumper wire:
The right turn signal indicator
should come on.Poor ground (G504)
Faulty gauge control module
(speedo)
An open in the wire
P6 BLU Under all conditions Connect terminals G2 and P6 with a jumper wire:
The left turn signal indicator
should come on.Poor ground (G504)
Faulty gauge control module
(speedo)
An open in the wire
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