Acura CSX. Instruction — page 98

*31

11-66

Fuel and Emissions Systems

GAUGE CONTROL
MODULE (TACH)

RED

A42

WEN

WHT

A36

CANH

RED

A37

CANL

BLU

A29

VSSOUT

10

RED

11

BLK

7

WHT

14

RED

5

BLU

8

WHT

10

BLK

5

RED

7

WHT

6

RED

3

ORN

9

LT BLU

7

ORN

4

LT BLU

8

WHT

C201

BRN

DATA
LINK
CONNECTOR

5

7

9

14

6

12

16

4

BLK

JUNCTION BOX

G

SRS UNIT

RED

WHT

9

10

15

1

1

15

EPS CONTROL UNIT

VSA MODULATOR-
CONTROL UNIT

RED

WHT

7

13

14

12

11

1

2

*8

2

2

BLU

BLU

To MOONROOF
CONTROL UNIT/MOTOR

To AUDIO UNIT

12P
JUNCTION
CONNECTOR

12

8

5 10

9

11

C501

RED

WHT

10

9

7

6

T

S

R

YAW RATE-LATERAL
ACCELERATION SENSOR

3

4

TPMS CONTROL
UNIT

15

14

CANL

CANH

CANL

CANH

11

12

CANH

CANL

2

11

CANH

CANL

CANH

CANL

WHT

RED

19

1

G502

CANL

CANH

4

3

(1)*9

(2)*9

*8: ’09 model
*9: With Premium Audio

08/08/21 14:15:30 61SNR030_110_0066

*32

11-67

ETCS
CONTROL
RELAY

A/C COMPRESSOR
CLUTCH RELAY

ELD

BATTERY

UNDER-HOOD FUSE/RELAY BOX

WHT

H1

BRN

D1

ORN

D4

WHT

D8

YEL

A1

ORN

A3

BLK

A2

G301

GRY

PUR

E6

BLU

E7

ORN

E5

E1

LT BLU

C1

IG1ETCS

21

C101

WHT

K

J

A23

ELD

Q

RED

F20

PUR

F19

F16

F14

GRN

F9

F7

ORN

F6

YEL

F5

A14

ACC

A21

SUBRLY

A5

FANH

A6

MRLY

A4

FANL

A8

IGP

A20

ETCSRLY

ORN

I

U

Y

Z

X

W

V

N

PGM-FI
SUBRELAY

PGM-FI
MAIN
RELAY 1

IGNITION
COIL
RELAY

A/C
CONDENSER
FAN RELAY

COOLING
FAN
CONTROL
RELAY

RADIATOR
FAN RELAY

G1

9

10

ORN

ORN

C101

YEL/BLK

A

PUR

PNK

15

3

08/08/21 14:15:31 61SNR030_110_0067

*33

11-68

Fuel and Emissions Systems

PGM-FI MAIN
RELAY 2
(FUEL PUMP)

UNDER-DASH FUSE/RELAY BOX

STARTER
CUT RELAY
(ST CUT)

F5

YEL

F8

PNK

F10

BRN

F11

BRN

F24

F25

LT GRN

F30

LT GRN

F31

WHT

F29

G2

ORN

G4

ORN

G12

BRN

G16

WHT

G20

WHT

Q1

WHT

Q5

ORN

Q8

LT BLU

E9

GRN

E27

YEL

IG2

B

IG1

D1

WHT

D2

BLU

C3

ORN

C1

YEL

3

U

O

P

Y

V

X

C36

IG1

A44

S-NET5V

A15

IMOFPR

A31

SCS

A40

BKSW

G401

BLK/GRN

C101

2

BLK

T

R

S

ST

6

4

1

M

IGNITION SWITCH

MICU

FUEL PUMP

P

2

4

BLK

1

2

CLUTCH
INTERLOCK
SWITCH

Z

W

Clutch pedal pressed: closed
Clutch pedal released: open

IG1 HOT in ON (II)
and START (III)

ORN

G601

BRN

22

UNDER-HOOD FUSE/RELAY BOX:

No. 21 DBW (THROTTLE

ACTUATOR CONTROL) (15 A)

No. 18 IG COIL (15 A)
No. 19 FI MAIN (15 A)
No. 11 FI SUB (15 A)
No. 15 OIL LVL (7.5 A)
No. 2 IG MAIN (50 A)
No. 23 BACK UP (10 A)
No. 12 STOP & HORN (15 A)
No. 1 MAIN FUSE (100 A)

UNDER-DASH FUSE/RELAY BOX:

No. 3 ALTERNATOR (10 A)
No. 2 FUEL PUMP (15 A)
No. 36 IG2 HAC (A/C) (10 A)

08/08/21 14:15:32 61SNR030_110_0068

SNR9A00A20316100000BBAT00

Malfunction Indicator Lamp (MIL) Indication
(In relation to Readiness Codes)

Catalytic Converter Monitor and Readiness
Code

Enable Criteria

Procedure

11-69

How to Set Readiness Codes

The vehicle has certain readiness codes that are part of
the on-board diagnostics for the emissions systems. If
the vehicle’s battery has been disconnected or gone
dead, if the DTCs have been cleared, or if the ECM/PCM
has been reset, these readiness codes are reset to
incomplete. In some states, part of the emissions
testing is to make sure these codes are set to complete.
If all of them are not set to complete, the vehicle may
fail the emission test, or the test cannot be finished.

To check if the readiness codes are set to complete,
turn the ignition switch to ON (II), but do not start the
engine. The MIL will come on for 15

20 seconds. If it

then goes off, the readiness codes are set to complete.
If it flashes five times, one or more readiness codes are
not set to complete. To set readiness codes from
incomplete to complete, do the procedure for the
appropriate code.

To check the status of a specific DTC system, check the
OBD status in the DTC MENU with the HDS (see page
11-8). This screen displays the code, the current data list
of the enable criteria, and the status of the readiness
testing.

NOTE:

• Do not turn the ignition switch to LOCK (0) or ACC (I)

during the procedure.

• All readiness codes are cleared when the battery is

disconnected, if the DTCs have been cleared, or if the
ECM/PCM is reset with the HDS.

• Low ambient temperatures or excessive stop-and-go

traffic may increase the drive time needed to switch
the readiness code from incomplete to complete.

• The readiness code will not switch to complete until

all the enable criteria are met.

• If a fault in the secondary HO2S system caused the

MIL to come on, the readiness code cannot be set to
complete until you correct the fault.

• ECT SENSOR 1 at 70 °C (158 °F) or more.
• IAT SENSOR at

7 °C (20 °F) or more.

• Vehicle speed (VSS) above 40 km/h (25 mph).

1. Connect the HDS to the vehicle’s data link

connector (DLC), and bring up the READINESS
CODEs screen for Catalyst in the DTCs MENU.

2. Start the engine.

3. Test-drive the vehicle under stop-and-go conditions

with short periods of steady cruise. After about
8 km (5 miles), the readiness code should switch to
complete.

4. If the readiness code is still not set to complete,

check for a Temporary DTC with the HDS. If there is
no DTC, one or more of the enable criteria were
probably not met; repeat the procedure.

08/08/21 14:15:32 61SNR030_110_0069

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