Acura CSX. Manual — part 555

０１

＊０１

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−

−

−

−

−

−

DTC B1175:

YES

NO

YES

NO

YES

NO

22-267

FUEL TANK UNIT 4P CONNECTOR

GND (LT GRN)
JUMPER WIRE

FUEL UNIT
(ORN)
JUMPER WIRE

GAUGE CONTROL MODULE (TACH) 36P CONNECTOR

FUEL UNIT (PUR)

GND (ORN)

Fuel Level Sensor (Fuel Gauge

Sending Unit) Circuit Open

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. Wait for 30 seconds.

4. Check for DTCs with the HDS.

Go to step 5.

Intermittent failure, the fuel level sensor

circuit is OK at this time. Check for loose or poor
connections.

5. Turn the ignition switch to LOCK (0).

6. Disconnect the fuel tank unit 5P connector and the

gauge control module (tach) 36P connector.

7. Connect fuel tank unit 4P connector terminals No. 1

and No. 3 to body ground with jumper wires.

8. Check for continuity between gauge control

module (tach) 36P connector terminals No. 32 and
No. 33 and body ground individually.

Go to step 9.

Repair an open in the wire between the gauge

control module (tach) and the fuel tank unit.

9. Do the fuel gauge sending unit test (see page

11-340).

Replace the gauge control module (tach)

(see page 22-277).

Replace the fuel tank unit (see page 11-339).

Wire side of female terminals

Wire side of female terminals

Is DT C B117 5 indicated?

Is ther e continuity?

Is the f uel gauge sending unit OK ?

08/08/21 14:35:20 61SNR030_220_0269

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−

−

−

−

−

−

DTC B1176:

YES

NO

YES

NO

YES

NO

22-268

Gauges

GAUGE CONTROL MODULE (TACH) 36P CONNECTOR

FUEL UNIT (PUR)

Fuel Level Sensor (Fuel Gauge

Sending Unit) Circuit Short

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. Wait for 30 seconds.

4. Check for DTCs with the HDS.

Go to step 5.

Intermittent failure, the fuel level sensor

circuit is OK at this time. Check for loose or poor
connections.

5. Turn the ignition switch to LOCK (0).

6. Disconnect the fuel tank unit 4P connector.

7. Clear the DTCs with the HDS.

8. Turn the ignition switch to LOCK (0), and then back

to ON (II).

9. Wait for 30 seconds.

10. Check for DTCs with the HDS.

Go to step 11.

Replace the fuel gauge sending unit (see page

11-340).

11. Disconnect the gauge control module (tach) 36P

connector.

12. Check for continuity between gauge control

module (tach) 36P connector terminal No. 32 and
body ground.

Repair a short in the wire between the gauge

control module (tach) and the fuel tank unit.

Replace the gauge control module (tach)

(see page 22-277).

Wire side of female terminals

Is DT C B117 6 indicated?

Is DT C B117 6 indicated?

Is ther e continuity?

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−

−

−

−

−

−

−

−

DTC B1177:

YES

NO

YES

NO

YES

NO

YES

NO

22-269

Battery Voltage Abnormal (’06

model)

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. Check for DTCs with the HDS.

Go to step 8.

Go to step 4.

4. Clear the DTCs with the HDS.

5. Turn the ignition switch to LOCK (0), and then back

to ON (II).

6. Crank the engine.

7. Check for DTCs with the HDS.

Go to step 8.

Intermittent failure. The gauge control

module (tach) and power supply voltage (IG1) that
is supplied to the gauge control module (tach) are
OK at this time. The battery may have been
discharged, and recovered.

8. Check the battery (see page 22-67) and the

charging system.

Go to step 9.

The battery needs a recharge or replacement,

or the charging system needs to repaired.

9. Turn the ignition switch to ON (II).

10. With the gauge control module (tach) 36P

connector still connected, measure the voltage
between gauge control module (tach) 36P
connector terminal No. 17 and body ground.

Replace the gauge control module (tach)

(see page 22-277).

Repair an open or high resistance in the BRN

wire between the ignition switch and the gauge
control module (tach).

Is DT C B117 7 indicated?

Is DT C B117 7 indicated?

Is the batter y condition nor mal and the char ging
system OK ?

Is the voltage about 7 .5 V ?

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−

−

−

−

−

−

−

−

DTC B1183:

YES

NO

YES

NO

YES

NO

YES

NO

22-270

Gauges

CAN L (RED)

CAN H (WHT)

EPS CONTROL UNIT 28P CONNECTOR

CAN H (WHT)

CAN L (RED)

GAUGE CONTROL MODULE (TACH) 36P CONNECTOR

Gauge Control Module Lost

Communication with the EPS Control Unit
(EPS Message)

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. Wait for 6 seconds or more.

4. Check for DTCs with the HDS.

Go to step 5.

Intermittent failure. The gauge control

module (tach) is OK at this time. Check for loose or
poor connections.

5. Check for DTCs with the HDS.

Troubleshoot DTC B1178.

Go to step 6.

6. Check for EPS DTCs with the HDS.

Troubleshoot the indicated DTC, then

recheck.

Go to step 7.

7. Turn the ignition switch to LOCK (0).

8. Disconnect the gauge control module (tach) 36P

connector.

9. Disconnect the EPS control unit 28P connector

(see page 17-84).

10. Check for continuity between gauge control

module (tach) 36P connector terminals No. 1 and
No. 19 and EPS control unit 28P connector
terminals No. 1 and No. 15 individually.

Substitute a known-good EPS control unit

(see page 17-84) and recheck. If DTC B1183 is still
indicated, replace the gauge control module
(tach).

Repair an open in the wire.

Wire side of female terminals

Wire side of female terminals

Is DT C B1183 indicated?

Ar e DT Cs B1168, B1169, B117 8, B1183, B1184,
B1185, and B1187 all indicated at the same time?

Ar e any DT Cs indicated?

Is ther e continuity?

08/08/21 14:35:58 61SNR030_220_0272