Content .. 75 76 77 78 ..

Acura RSX Honda Integra. Manual - part 77

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DTC

(MIL indication )

Two Drive Cycle

Detection

Detection Item

MIL

Note

11-14

Fuel and Emissions Systems

DTC Troubleshooting Index (cont’d)

P0451 (91)

Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem

(see page 11-429)

P0452 (91)

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

(see page 11-432)

P0453 (91)

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

(see page 11-437)

P0456 (90)

Evaporative Emission (EVAP) System Very Small Leak Detected

(see page 11-422)

P0457 (90)

Evaporative Emission (EVAP) System Leak Detected/Fuel Fill Cap
Loose or Missing

(see page 11-440)

P0496 (92)

Evaporative Emission (EVAP) System High Purge Flow

(see page 11-442)

P0497 (90)

Evaporative Emission (EVAP) System Low Purge Flow

(see page 11-447)

P0498 (117)

Evaporative Emission (EVAP) Canister Vent Shut Valve Circuit Low
Voltage

(see page 11-450)

P0499 (117)

Evaporative Emission (EVAP) Canister Vent Shut Valve Circuit High
Voltage

(see page 11-452)

P0506 (14)

Idle Control System RPM Lower Than Expected

(see page 11-328)

P0507 (14)

Idle Control System RPM Higher Than Expected

(see page 11-331)

P0511 (14)

Idle Air Control (IAC) Valve Circuit Malfunction

(see page 11-334)

P0562 (34)

Charging System Low Voltage

OFF

(see page 11-193)

P0563 (34)

Engine Control Module (ECM)/Powertrain Control Module (PCM)
Power Source Circuit Unexpected Voltage

OFF

(see page 11-196)

P0600 (39)

Serial Communication Link Malfunction

OFF

Refer to the

Multiplex Control

System

Troubleshooting

(see page 22-189)

P0602 (196)

Engine Control Module (ECM)/Powertrain Control Module (PCM)
Programming Error

OFF

(see page 11-199)

P0603 (131)

Engine Control Module (ECM)/Powertrain Control Module (PCM)
Internal Circuit Malfunction (Keep Alive Memory (KAM) Error)

(see page 11-200)

P0606 (0)

Engine Control Module (ECM)/Powertrain Control Module (PCM)
Processor Malfunction

(see page 11-200)

P0630 (139)

VIN Not Programmed or Mismatch

(see page 11-202)

P0661 (107)

Intake Manifold Tuning (IMT) (Intake Manifold Runner Control
(IMRC)) Valve Position Sensor Circuit Low Voltage

(see page 11-386)

P0662 (107)

Intake Manifold Tuning (IMT) (Intake Manifold Runner Control
(IMRC)) Valve Position Sensor Circuit High Voltage

(see page 11-390)

P0685 (135)

Engine Control Module (ECM)/Powertrain Control Module (PCM)
Power Control Circuit/Internal Circuit Malfunction

(see page 11-203)

P0700 (70)

Automatic Transaxle (A/T) Control System Malfunction

ON/
OFF

(see page 11-203)

P0720 (122)

Output Shaft (Countershaft) Speed Sensor Circuit Malfunction

(see page 11-204)

P1009 (56)

Variable Valve Timing Control (VTC) Advance Malfunction

(see page 11-303)

P1077 (106)

Intake Manifold Tuning (IMT) (Intake Manifold Runner Control
(IMRC)) System Malfunction (Low rpm) Stuck Short

(see page 11-394)

P1078 (106)

Intake Manifold Tuning (IMT) (Intake Manifold Runner Control
(IMRC)) System Malfunction (High rpm) Stuck Long

(see page 11-400)

P1109 (13)

Barometric Pressure (BARO) Sensor Circuit Out of Range High

(see page 11-208)

P1116 (86)

Engine Coolant Temperature (ECT) Sensor Circuit Range/
Performance Problem

(see page 11-106)

P1121 (7)

Throttle Position (TP) Sensor Signal Lower Than Expected

(see page 11-210)

P1122 (7)

Throttle Position (TP) Sensor Signal Higher Than Expected

(see page 11-212)

P1128 (5)

Manifold Absolute Pressure (MAP) Sensor Circuit Lower Than
Expected

(see page 11-214)

P1129 (5)

Manifold Absolute Pressure (MAP) Sensor Circuit Higher Than
Expected

(see page 11-215)

P1157 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) AFC Circuit High Voltage

(see page 11-219)

P1172 (61)

Air Fuel Ratio (A/F) Sensor (Sensor 1) Circuit Out of Range High

(see page 11-225)

NOTE: These DTCs are indicated when the PGM-FI system is selected in the HDS.
Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T
system, and check for automatic transmission DTCs.

: The D indicator and MIL may come on at the same time.
1: These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.
2: A/T model
3: M/T model
4: K20A3 engine

05/06/27 17:31:12 61S6M040_110_0014

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DTC

(MIL indication )

Two Drive Cycle

Detection

Detection Item

MIL

Note

11-15

P1297 (20)

Electrical Load Detector (ELD) Circuit Low Voltage

OFF

(see page 11-227)

P1298 (20)

Electrical Load Detector (ELD) Circuit High Voltage

OFF

(see page 11-231)

P1454 (91)

Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem

(see page 11-454)

P1549 (34)

Charging System High Voltage

OFF

(see page 11-233)

P16BB (116)

Alternator B Terminal Circuit Low Voltage

OFF

(see page 11-234)

P16BC (116)

Alternator FR Terminal Circuit/IGP Circuit Low Voltage

OFF

(see page 11-235)

P2195 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) Signal Stuck Lean

(see page 11-238)

P2227 (13)

Barometric Pressure (BARO) Sensor Circuit Range/Performance
Problem

(see page 11-239)

P2228 (13)

Barometric Pressure (BARO) Sensor Circuit Low Voltage

(see page 11-240)

P2229 (13)

Barometric Pressure (BARO) Sensor Circuit High Voltage

(see page 11-240)

P2238 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) AFS

Circuit Low Voltage

(see page 11-242)

P2252 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) AFS

Circuit Low Voltage

(see page 11-244)

P2270 (63)

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Circuit Signal Stuck Lean

(see page 11-245)

P2271 (63)

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2))
Circuit Signal Stuck Rich

(see page 11-245)

P2279 (109)

Intake Air System Leak Detected

(see page 11-418)

P2422 (117)

Evaporative Emission (EVAP) Canister Vent Shut Valve Stuck Closed
Malfunction

(see page 11-454)

P2610 (132)

Engine Control Module (ECM)/Powertrain Control Module (PCM)
Ignition Off Internal Timer Malfunction

(see page 11-246)

P2646 (22)

Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit
Low Voltage

(see page 11-311)

P2647 (22)

Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit
High Voltage

(see page 11-315)

P2648 (21)

Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit Low
Voltage

(see page 11-317)

P2649 (21)

Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit High
Voltage

(see page 11-319)

P2A00 (61)

Air Fuel Ratio (A/F) Sensor (Sensor 1) Circuit Range/Performance
Problem

(see page 11-247)

1: These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.

05/06/27 17:31:12 61S6M040_110_0015

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2002-2004 Models

Symptom

Diagnostic procedure

Also check for

11-16

Fuel and Emissions Systems

Symptom Troubleshooting Index

When the vehicle has one of these symptoms, check the diagnostic trouble code (DTC) with a scan tool. If there is no
DTC, do the diagnostic procedure for the symptom, in the sequence listed, until you find the cause.

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•

Engine will not start
(MIL works OK, no DTCs set)

1.
2.
3.

Test the battery (see page 22-61).
Test the starter (see page 4-9).
Troubleshoot the fuel pump circuit (see page 11-353).

Low
compression
No ignition spark
Intake air leaks
Locked up
engine
Broken cam
chain
Contaminated
fuel

Engine will not start
(MIL comes on and stays on,
or never comes on at all, no
DTCs set)

Troubleshoot the MIL circuit (see page 11-248).

Engine will not start
(immobilizer indicator stays
on or flashes)

Troubleshoot the immobilizer system (see page 22-178).

Engine is hard to start
(MIL works OK, no DTCs set)

1.
2.

Test the battery (see page 22-61).
Check the fuel pressure (see page 11-363).

Low
compression
Intake air leaks
Contaminated
fuel

Cold fast idle too low
(MIL works OK, no DTCs set)

Check the idle speed (see page 11-348).

Cold fast idle too high
(MIL works OK, no DTCs set)

1.
2.
3.

Check the idle speed (see page 11-348).
Inspect/adjust the throttle cable (see page 11-408).
Inspect and test the throttle body (see page 11-403).

Idle speed fluctuates
(MIL works OK, no DTCs set)

1.
2.
3.

Check the idle speed (see page 11-348).
Inspect/adjust the throttle cable (see page 11-408).
Inspect and test the throttle body (see page 11-403).

Intake air leaks

After warming up, idle speed
is below specification without
load
(MIL works OK, no DTCs set)

1.
2.

Troubleshoot the A/C signal circuit (see page 11-337).
Troubleshoot the alternator FR signal circuit (see page
11-339).
Inspect and test the throttle body (see page 11-403).

Vacuum hose
clogged/cracked/
poor connection

After warming up, idle speed
is above specification without
load
(MIL works OK, no DTCs set)

1.
2.

Troubleshoot the A/C signal circuit (see page 11-337).
Troubleshoot the alternator FR signal circuit (see page
11-339).
Inspect and test the throttle body (see page 11-403).

Intake air leaks

Low power
(MIL works OK, no DTCs set)

1.
2.
3.

Check the fuel pressure (see page 11-363).
Inspect and test the throttle body (see page 11-403).
Inspect/adjust the throttle cable (see page 11-408).

Low
compression
Camshaft timing
Engine oil level

Engine stalls
(MIL works OK, no DTCs set)

1.
2.
3.

Check the fuel pressure (see page 11-363).
Check the idle speed (see page 11-348).
Troubleshoot the brake pedal position switch signal
circuit (see page 11-346).

Intake air leaks
Faulty harness
and sensor
connections

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Symptom

Diagnostic procedure

Also check for

11-17

Difficult to refuel
(MIL works OK, no DTCs set)

1.
2.

Test the fuel tank vapor control valve (see page 11-469).
Inspect the fuel tank vapor control signal tube between
the fuel pipe and the fuel tank vapor control valve.
Inspect the fuel tank vapor vent tube between the EVAP
canister and the fuel tank vapor control valve.
Check the EVAP canister.

Malfunctioning gas
station filling
nozzle.

Fuel overflows during
refueling
(No DTCs set)

Replace the fuel tank vapor control valve (see page 11-471).

Malfunctioning gas
station filling
nozzle.

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Content .. 75 76 77 78 ..