fuse box ACURA CSX 2006 Service Repair Manual

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Cavity Wire Test condition Test: Desired result Possible cause if desired result is not
obtained
22-216Power Windows
Power Window Master Switch Input Test (cont’d)
5. Reconnect the 22P connector to the power window master switch. Turn the ignition switch to ON (II), and do these input tests at the
following connector.
 If any test indicates a problem, find and correct the cause, then recheck the system.
 If all the input tests prove OK, the control unit must be faulty; replace the power window master switch.


























3 GRN Ignition switch ON (II) Measure the voltage to ground:
There should be battery voltage.Blown No. 30 (20 A) fuse in the under-
dash fuse/relay box
Faulty power window relay
Faulty MICU
An open in the wire
4 WHT Under all conditions Measure the voltage to ground: There should be battery voltage.Blown No. 26 (20 A) fuse in the under-
dash fuse/relay box
An open in the wire
15 RED Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.Blown No. 32 (20 A) fuse in the under-
dash fuse/relay box
Faulty power window relay
Faulty MICU
An open in the wire
20 PUR Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.Blown No. 33 (20 A) fuse in the under-
dash fuse/relay box
Faulty power window relay
Faulty MICU
An open in the wire
7 BRN Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G503)
An open in the wire
11 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G503)
An open in the wire
12 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G503)
An open in the wire
16 PUR Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.Faulty power window master switch
A short to ground in the wire
5 PNK Ignition switch ON (II), and driver’s power window switch
moving up or down Measure the voltage between
terminals No. 5 and No. 7:
There should be 0 V about
5 V 0 V about 5 V repeatedly
(a digital voltmeter should read
about 2.5 V while the window
moves). Faulty power window master switch
Faulty driver’s power window motor
An open in the wire
A short to ground in the wire
6 ORN Ignition switch ON (II), and driver’s power window switch
moving up or down Measure the voltage between
terminals No. 6 and No. 7:
There should be 0 V about
5 V 0 V about 5 V repeatedly
(a digital voltmeter should read
about 2.5 V while the window
moves).
6. Reset the power window control unit (see page 22-210).
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22-221
Wipers/Washers
Component Location Index
WIPER/WASHER SWITCH
WINDSHIELD WIPER ARMS and LINKAGE
WIPER BLADES UNDER-HOOD FUSE/
RELAY BOX
WINDSHIELD
WIPER MOTOR
UNDER-DASH FUSE/
RELAY BOX
INTERMITTENT WIPER RELAY CIRCUIT
(Built into the MICU)
(cont’d)
Test, page 22-231
Replacement, page 22-234
Replacement, page 22-233
Adjustment, page 22-236
Replacement, ’06-07 models, page 22-235
’08-09 models, page 22-235
Test, page 22-231
Replacement,
page 22-233
Input Test, page 22-228
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22-223
Circuit Diagram
D2
BLK
G401 F20
G601 BLK E33
HI LO BLK
G201 AS
2 E6
BLK
G602
IG1 HOT in ON (II) and START (III)
BLU
G401 BLK YEL
2 1 T34
G501BLK
UNDER-DASH FUSE/RELAY BOX
MICU
F33
F32
F19 F18 8
2
4
3
1
5
5
41 WHT
YEL BLU
WINDSHIELD WIPER/WASHER SWITCH
MICU
S4
S17 S15
S20 S10 S6
ORN
WHT GRN
YEL
BLU No. 10 (7.5 A)
No. 38 (30 A)
WHT
BLK
HI
LO
MIST
INT
OFF
BATTERY
No. 2 (IG) (50 A)
UNDER-HOOD FUSE/RELAY BOX
WHTIGNITION SWITCH
BATIG1 BLU
BLK
G201 1
2
No. 1 (BAT) (100 A)
WASHER
SWITCH INTERMITTENT
DWELL TIME
CONTROLLER
WINDSHIELD
WASHER
MOTOR
WASHER FLUID
LEVEL SWITCH
(Closed:
Float down)
GAUGE CONTROL
MODULE (TACH)
WINDSHIELD
WIPER MOTOR H1
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DTC B1077:
YES
NO
YES
NO
YES
NO YES
NO
YES
NO
22-224Wipers/Washers
DTC Troubleshooting
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
WINDSHIELD WIPER MOTOR 5P CONNECTOR AS (WHT)
AS (WHT)
WINDSHIELD WIPER MOTOR 5P CONNECTOR AS (WHT)
Windshield Wiper (As) Signal
Error
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 wiper switch to LOW or HIGH for 15 seconds or more, then turn the switch OFF.
Go to step 4.
Go to step 12.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure. The windshield wiper
system is OK at this time. Check for loose or poor
connections.
5. Turn the ignition switch to LOCK (0).
6. Do the wiper motor test (see page 22-231).
Go to step 7.
Replace the windshield wiper motor
(see page 22-233) and recheck.
7. Disconnect under-dash fuse/relay box connector F (34P) and windshield wiper motor 5P connector. 8. Check for continuity between windshield wiper
motor 5P connector terminal No. 5 and under-dash
fuse/relay box connector F (34P) terminal No. 32.
Go to step 9.
Repair an open in the WHT wire.
9. Check for continuity between windshield wiper motor 5P connector terminal No. 5 and body
ground.
Repair a short in the WHT wire.
Go to step 10.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Do t he w i nd shi el d w i per r un? Is DTC B1077 indicated?
Does t he w i per mot or r un nor mal l y and d oes i tpul se? Is there continuity?
Is there continuity?
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YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
22-225
WINDSHIELD WIPER MOTOR 5P CONNECTOR
AS (WHT) UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
LOW (BLU) HIGH (YEL)
WINDSHIELD WIPER MOTOR 5P CONNECTOR GND (BLK)
10. Turn the ignition switch to ON (II).
11. Measure the voltage between windshield wipermotor 5P connector terminal No. 5 and body
ground.
Repair a short to power in the WHT wire.
Faulty MICU; replace the under-dash fuse/
relay box.
12. Turn the ignition switch to LOCK (0).
13. Check the No. 38 (30 A) fuse in the under-dash fuse/ relay box.
Go to step 14.
Replace the fuse and recheck the system.
14. Do the wiper motor test (see page 22-231).
Go to step 15.
Replace the windshield wiper motor
(see page 22-233) and recheck.
15. Reconnect the windshield wiper motor 5P connector. 16. Measure the voltage between under-dash fuse/
relay box connector F (34P) terminals No. 18 (LOW)
and No. 19 (HIGH) and body ground with the wiper
switch in corresponding position.
Go to step 17.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
17. Measure the voltage between windshield wiper motor 5P connector terminal No. 2 and body
ground.
Repair an open in the BLU (LOW) or YEL
(HIGH) wire.
Repair an open in the BLK wire or poor
ground (G 201).
Wire side of female terminals Wire side of female terminals
Wire side of female terminals
Is there voltage? IsthefuseOK?Does t he w i per mot or r un nor mal l y ? Is there battery voltage?
Is t her e l ess t han 0.5 V ?
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DTC B1281:
DTC B1282:
DTC B1283:
DTC B1284:
YES
NO
When the wiper switch is turned OFF Data List Value
YES
NO From terminal To terminal
YES
NO
When the wiper switch is turned OFF Data List Value
YES
NO
22-226 Wipers/Washers
DTC Troubleshooting (cont’d)
Windshield Wiper Switch MIST
Position Circuit Malfunction
Windshield Wiper Switch INT
Position Circuit Malfunction
Windshield Wiper Switch LOW
Position Circuit Malfunction
Windshield Wiper Switch HIGH
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 wiper switch to the MIST, INT, LOW, HIGH, and OFF positions, and wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure, the wiper system is OK at
this time. Check for loose or poor connections.
5. Select WIPERS from the BODY ELECTRICAL menu, and enter DATA LIST.
6. Check each wiper switch position value with the DATA LIST menu.
Wiper switch (LOW) OFF
Wiper switch (HIGH) OFF
Wiper switch (MIST) OFF
Wiper switch (INT) OFF Go to step 7.
Go to step 10. 7. Turn the ignition switch to LOCK (0).
8. Disconnect under-dash fuse/relay box connector S
(20P).
9. Check for continuity between under-dash fuse/relay box connector S (20P) terminals as shown:
10 6, 15, 20
15 6, 20
Repair a short between the wires.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
10. Turn the ignition switch to LOCK (0).
11. Disconnect the 8P connector from the wiper switch.
12. Turn the ignition switch to ON (II).
13. Check each wiper switch position value with the DATA LIST menu.
Wiper switch (LOW) OFF
Wiper switch (HIGH) OFF
Wiper switch (MIST) OFF
Wiper switch (INT) OFF Replace the wiper/washer switch (see page
22-234).
Go to step 14.
I s DT C B12 81, B12 82 , B12 83, or B12 84 i nd i cat ed ?
Are all data list values correct? Is there continuity?
Are all data list values correct?
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YES
NO YES
NO
22-227
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
WIP INT/LO SW (ORN)
WIP MIST
SW (GRN) WIP LO/HI
SW (WHT) UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
WIP INT/
LO SW
(ORN)
WIP MIST
SW (GRN) WIP LO/HI
SW (WHT)
COMBI GND (BLK)
COMBI GND (BLK)
COMBI GND (BLK)
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. 10, No. 15, and No. 20 individually.
Repair a short to ground in the wire.
Go to step 17. 17. Check for continuity between under-dash fuse/relay
box connector S (20P) terminal No. 4 and terminals
No. 10, No. 15, and No. 20 individually.
Repair a short between the wires.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
Wire side of female terminals Wire side of female terminals
Is there continuity?
Is there continuity?
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22-228Wipers/Washers
MICU Input Test
UNDER-DASH FUSE/RELAY BOX CONNECTOR E (42P)
YEL
GRN ORN
BLK
BLU
WHT
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P) YEL
BLK BLK
BLK WHT WHT
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P) BLK
BLU
1. Before testing the wiper/washer system, troubleshoot the system using B-CAN System Diagnosis Test Mode A
(see page 22-93), and check the No. 10 (7.5 A) and No. 38 (30 A) fuses in the under-dash fuse/relay box.
2. Disconnect the under-dash fuse/relay box connectors E, F, S, and T. NOTE: All connector views are shown from wire side of female terminals.
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Cavity Wire Test conditionTest: Desired result Possible cause if desired result
is not obtained
22-230Wipers/Washers
MICU Input Test (cont’d)
5. Reconnect the connectors to the under-dash fuse/relay box, and 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, the MICU must be faulty; replace the under-dash fuse/relay box.




























E6 BLK Under all conditions Measure the voltage to ground:
There should be less than 0.5 V.Poor ground (G602)
An open in the wire
E33 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G601)
An open in the wire
F20 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G401)
An open in the wire
T34 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G501)
An open in the wire
S10 ·
S4 ORN
·
BLK Ignition switch ON (II),
windshield wiper/
washer switch (INT)
ON Measure the voltage between
terminals S10 and S4, and
terminals S20 and S4:
There should be less than 1 V. Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch OFF Measure the voltage between
terminals S10 and S4, and
terminals S20 and S4:
There should be more than 5 V. Faulty windshield wiper/
washer switch
A short to ground in the wire
S15 ·
S4 GRN
·
BLK Ignition switch ON (II),
windshield wiper/
washer switch (MIST)
ON Measure the voltage between
terminals S15 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch (MIST)
OFF Measure the voltage between
terminals S15 and S4:
There should be more than 5 V.
Faulty windshield wiper/
washer switch
A short to ground in the wire
S17 ·
S4 YEL
·
BLK Ignition switch ON (II),
windshield washer
switch ON Measure the voltage between
terminals S17 and S4:
There should be less than 1 V. Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield washer
switch OFF Measure the voltage between
terminals S17 and S4:
There should be more than 5 V. Faulty windshield wiper/
washer switch
A short to ground in the wire
S20 ·
S4 WHT
·
BLK Ignition switch ON (II),
windshield wiper/
washer switch (LOW)
ON Measure the voltage between
terminals S20 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch OFF Measure the voltage between
terminals S20 and S4:
There should be more than 5 V. Faulty windshield wiper/
washer switch
A short to ground in the wire
Ignition switch ON (II),
windshield wiper/
washer switch (HIGH)
ON Measure the voltage between
terminals S20 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch OFF Measure the voltage between
terminals S20 and S4:
There should be more than 5 V. Faulty windshield wiper/
washer switch
A short to ground in the wire
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Entering the self-diagnostic function with the HDS
Entering the self-diagnostic function (manual method)
22-241
Self-diagnostic Function
ON (II)
OFF ON
OFF ON
Ignition
Switch
Lighting
Switch
SEL/RESET
Switch
5sec.
5sec.
LOCK (0)
Before troubleshooting the gauge system, refer to multiplex integrated control system B-CAN System Diagnosis Test
Mode A (see page 22-93).
The gauge control module (tach) has a self-diagnostic function shown, and also has a customizable reset function.
 The beeper drive circuit check.
 The indicator drive circuit check.
 The switch input test.
 The LCD segments check.
 The gauges drive circuit check (Tachometer, Fuel gauge, Coolant temperature gauge).
 The communication line check (B-CAN, F-CAN, and UART lines).
NOTE: Indicators are also controlled via the communication line.
Using the HDS, select Body Electrical, Gauges, then Function Test and do the self-diagnostic function.
Before doing the self-diagnostic function, check the No. 10 (7.5 A) fuse in the under-dash fuse/relay box and the No. 23
(10 A) fuse in the under-hood fuse/relay box. 1. Push and hold the SEL/RESET switch button.
2. Turn the headlights ON.
3. Turn the ignition switch to ON (II).
4. Within 5 sec., turn the headlights OFF, then ON and OFF again.
5. Within 5 sec., release the SEL/RESET switch button, and then push and release the button three times repeatedly.
NOTE:  While in the self-diagnostic mode, the dash lights brightness controller operates normally.
 While in the self-diagnostic mode, the SEL/RESET switch button is used to start the Beeper Drive Circuit Test and the Gauge Drive Circuit Check.
 If the vehicle speed exceeds 2 km/h (1.2 mph) or the ignition switch is turned to LOCK (0), the self-diagnostic mode ends.
(cont’d)
Move to self-diagnostic mode.
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