Acura RSX Honda Integra. Manual — part 434

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YES

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NO

22-74

22-74

Gauges

Gauge Assembly Replacement

Coolant Temperature Gauge
Troubleshooting

B

A

1. Remove the driver’s dashboard lower cover

(see page 20-63), then remove the upper column
cover (see page 17-25).

2. Place a clean shop towel under the gauge assembly

to prevent scratching it and the steering column
cover.

3. Remove the two mounting screws from the gauge

assembly (A).

4. Disconnect the connectors (B), and remove the

gauge assembly.

5. Install the gauge assembly in the reverse order of

removal.

Before testing, check the No. 9 (7.5 A) fuse in the under-
hood fuse/relay box and the No. 10 (7.5 A) fuse in the
under-dash fuse/relay box.

1. Start the engine, and check the Malfunction

Indicator Lamp (MIL).

Troubleshoot the cause of the PGM-FI

system DTC (see page 11-3), and recheck.

Go to step 2.

2. Check for a multiplex control unit DTC (see page

22-189).

Troubleshoot the cause of the multiplex

control unit DTC (see page 22-189), and recheck.

Go to step 3.

3. Do the communication line check with the self-

diagnostic procedure (see page 22-68).

The gauge cannot receive the signal from the

multiplex control unit and the ECM/PCM. Check for
an open in the WHT/GRN wire (gauge connector
terminal B13 or B11) or YEL wire (under-dash fuse/
relay box terminal E10 and ECM/PCM terminal (E24
or E13).

Go to step 4.

4. Does the gauge drive circuit check with the self-

diagnostic procedure (see page 22-68).

Go to step 5.

Replace the gauge assembly.

5. Substitute a known-good ECM/PCM, and recheck.

Replace the ECM/PCM.

Substitute a known-good gauge assembly. If

the symptom/indication goes away, replace the
gauge assembly.

Does the MIL come on?

Is a DT C indicated?

Is the wor d ‘‘Er r or ’’ indicated on the odo/ tr ip
display?

Does the temper atur e gauge needle sweep f r om
the minimum position to the maximum, then r etur n
to the minimum position?

Did the symptom/ indication go away?

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Special Tools Required

YES

NO

YES

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’02-04 M/T models

22-75

Vehicle Speed Signal Circuit Troubleshooting

07LAJ-PT3020A

A

E

D

C

B

07LAJ-PT3020A

B

C

07LAJ-PT3020A

D

Test harness 07LAJ-PT3020A

Before testing, check the ECM for DTCs and inspect the
No. 4 (10 A) and No. 10 (7.5 A) fuses in the under-dash
fuse/relay box.

1. Disconnect the 3P connector from the vehicle

speed sensor (VSS) (A).

2. Connect the test harness only to the engine wire

harness.

3. Connect the RED test harness clip (B) to the positive

probe of an ohmmeter. Cover the white (C) and
green (D) test harness with protective tape (E).

4. Check for continuity between the RED test harness

clip and body ground.

Go to step 5.

Repair open in the BLK wire between the VSS

and G101.

5. Connect the WHT test harness clip (B) to the

positive probe of a voltmeter, and connect the RED
test harness clip (C) to the negative probe.

6. Turn the ignition switch ON (II).

Go to step 7.

Repair open in the BLK/YEL wire between the

VSS and the under-dash fuse/relay box.

7. Disconnect the WHT test harness clip (B).

8. Connect the GRN test harness clip (D) to the

positive probe of a voltmeter.

Go to step 9.

Repair short in the BLU/WHT

WHT/GRN

wire between the VSS, the gauge assembly, the
cruise control unit and the ECM.

9. Turn the ignition switch OFF.

(cont’d)

Is ther e continuity?

Is ther e batter y voltage?

Is ther e 5 V or batter y voltage?

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YES

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A/T and ’05-06 M/T models

22-76

22-76

Gauges

Vehicle Speed Signal Circuit Troubleshooting (cont’d)

A

B

07LAJ-PT3020A

GAUGE ASSEMBLY CONNECTOR B (18P)

VSP (BLU/WHT)

10. Connect the other test harness connector (A) to the

VSS (B).

11. Raise the front of the vehicle, and make sure it is

securely supported.

12. Put the vehicle in neutral with the ignition switch

ON (II).

13. Slowly rotate one wheel with the other wheel

blocked.

Go to step 14.

Replace the VSS.

14. Disconnect the 18P connector ‘‘B’’ from the gauge

assembly.

15. Touch the voltmeter positive probe to the gauge

assembly B15 terminal, and connect the negative
probe to body ground.

16. Slowly rotate one wheel with the other wheel

blocked.

Replace the speedometer assembly.

Repair open in the BLU/WHT

WHT/GRN

wire between the VSS and the speedometer.

Before testing, check the No. 9 (7.5 A) fuse in the under-
hood fuse/relay box and the No. 10 (7.5 A) fuse in the
under-dash fuse/relay box.

1. Start the engine and check the Malfunction

Indicator Lamp (MIL).

Check the ECM/PCM’s DTC with the HDS

(see page 11-3), and recheck.

Go to step 2.

2. Check the multiplex control unit DTC (see page

22-189).

Troubleshoot the DTC (see page 22-189), and

recheck.

Inspect the connector and socket terminals of

the gauge assembly connectors. If the terminals
look OK, replace the gauge assembly.

Wire side of female terminals

Does voltage pulse f r om 0 to about 5 V ?

Does voltage pulse f r om 0 to about 5 V ?

Does the MIL come on?

Is the DT C indicated?

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M/T only (’02-04 models)

How to Reset

Blinking Pattern:

Miles (km)

Maintenance Reminder Light

22-77

22-77

VSS Replacement

Resetting the Maintenance
Required Indicator

1. Remove the air cleaner (see page 11-407).

2. Disconnect the 3P connector from the vehicle

speed sensor (VSS).

3. Remove the mounting bolt, then remove the VSS.

4. Install the VSS in the reverse order of removal.

Push and hold the trip/reset button, turn the ignition
switch ON (II), and continue to hold the button for more
than 10 seconds.

At 7,900 (12,640) to
8,100 (12,960)

Blinks for 10 seconds when
the ignition switch is turned
ON (II).

At 9,900 (15,840) to
10,000 (16,160)

Comes on and stays on while
the ignition switch is ON (II).

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