Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1997 Honda Prelude Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Identification
NOTE:
Not all codes apply to all models.
DIAGNOSTIC TROUBLE CODE (DTC) TEST DIRECTORY
| DTC (1) (MIL/"D4" Code) | Description | Test | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| P0107 (3) | MAP Sensor Circuit Low Voltage Input | P0107 | ||||||||
| P0108 (3) | MAP Sensor Circuit High Voltage Input | P0108 | ||||||||
| P0111 (10) | Intake Air Temp. (IAT) Sensor Circuit Range/Performance Problem | P0111 | ||||||||
| P0112 (10) | IAT Circuit Low Voltage Input | P0112 | ||||||||
| P0113 (10) | IAT Circuit High Voltage Input | P0113 | ||||||||
| P0116 (86) | Engine Coolant Temperature (ECT) Sensor Range/Performance Problem | P0116 | ||||||||
| P0117 (6) | ECT Circuit Low Voltage Input | P0117 | ||||||||
| P0118 (6) | ECT Circuit High Voltage Input | P0118 | ||||||||
| P0122 (7) | Throttle Position (TP) Circuit Low Voltage Input | P0122 | ||||||||
| P0123 (7) | TP Circuit High Voltage Input | P0123 | ||||||||
| P0131 (1) | Front Heated Oxygen Sensor-1 (HO2S-1) Low Voltage | P0131 | ||||||||
| P0132 (1) | Front HO2S-1 High Voltage | P0132 | ||||||||
| P0133 (61) | Front HO2S-1 Slow Response | P0133 | ||||||||
| P0135 (41) | Front HO2S-1 Heater Circuit Malfunction | P0135 | ||||||||
| P0137 (63) | Rear Heated Oxygen Sensor-2 (HO2S-2) Low Voltage | P0137 | ||||||||
| P0138 (63) | Rear HO2S-2 High Voltage | P0138 | ||||||||
| P0139 (63) | Rear HO2S-2 Slow Response | P0139 | ||||||||
| P0141 (65) | Rear HO2S-2 Heater Circuit Malfunction | P0141 | ||||||||
| P0171 (45) | System Too Lean | P0171 | ||||||||
| P0172 (45) | System Too Rich | P0172 | ||||||||
| P0301 (71) | Cylinder No. 1 Misfire Detected | P0301 | ||||||||
| P0302 (72) | Cylinder No. 2 Misfire Detected | P0302 | ||||||||
| P0303 (73) | Cylinder No. 3 Misfire Detected | P0303 | ||||||||
| P0304 (74) | Cylinder No. 4 Misfire Detected | P0304 | ||||||||
| P0325 (53) | Knock Sensor (KS) Circuit Malfunction | P0325 | ||||||||
| P0335 (4) | Crankshaft Position (CKP) Sensor No Signal Input | P0335 | ||||||||
| P0336 (4) | CKP Sensor Circuit Range/Performance Problem | P0336 | ||||||||
| P0401 (80) | EGR Insufficient Flow Detected | P0401 | ||||||||
| P0420 (67) | Catalyst System Efficiency Below Threshold | P0420 | ||||||||
| P0441 (92) (2) | EVAP Control System Insufficient Purge Flow | P0441 | ||||||||
| P0452 (91) (2) | Fuel Tank Pressure Sensor Low Voltage | P0452 | ||||||||
| P0453 (91) (2) | Fuel Tank Pressure Sensor High Voltage | P0453 | ||||||||
| P0500 (17) | Vehicle Speed Sensor (VSS) Circuit Malfunction | P0500 | ||||||||
| P0501 (17) | VSS Circuit Range/Performance Problem | P0501 | ||||||||
| P0505 (14) | Idle Control System Malfunction | P0505 | ||||||||
| P0700 (70/-) (1) | Automatic Transmission | (3) | ||||||||
| P0715 (70/15) (1) | Automatic Transmission | (3) | ||||||||
| P0720 (70/9) (1) | Automatic Transmission | (3) | ||||||||
| P0725 (70/11) (1) | Automatic Transmission | (3) | ||||||||
| P0730 (70/41) (1) | Automatic Transmission | (3) | ||||||||
| P0753 (70/7) (1) | Automatic Transmission | (3) | ||||||||
| P0758 (70/8) (1) | Automatic Transmission | (3) | ||||||||
| P0763 (70/22) (1) | Automatic Transmission | (3) | ||||||||
| P1106 (13) | Barometric Pressure (BARO) Sensor Circuit Range/Performance Problem | P1106 | ||||||||
| P1107 (13) | BARO Sensor Circuit Low Voltage Input | P1107 | ||||||||
| P1108 (13) | BARO Sensor Circuit High Voltage Input | P1108 | ||||||||
| P1121 (7) | Throttle Position (TP) Lower Than Expected | P1121 | ||||||||
| P1122 (7) | Throttle Position (TP) Higher Than Expected | P1122 | ||||||||
| P1128 (5) | Manifold Absolute Pressure (MAP) Lower Than Expected | P1128 | ||||||||
| P1129 (5) | Manifold Absolute Pressure (MAP) Higher Than Expected | P1129 | ||||||||
| P1259 (22) | VTEC System Malfunction | P1259 | ||||||||
| P1297 (20) | Electrical Load Detector (ELD) Circuit Low Voltage Input | P1297 | ||||||||
| P1298 (20) | ELD Circuit High Voltage Input | P1298 | ||||||||
| P1300 (71-76) (4) | Random Misfire Detected | P1300 | ||||||||
| P1359 (8) | CKP/TDC Sensor Connector Poor Connection | P1359 | ||||||||
| P1361 (8) | Top Dead Center (TDC) Sensor Intermittent Interruption | P1361 | ||||||||
| P1362 (8) | TDC Sensor No Signal | P1362 | ||||||||
| P1381 (9) | Cylinder Position (CYP) Sensor Intermittent Interruption | P1381 | ||||||||
| P1382 (9) | CYP Sensor No Signal | P1382 | ||||||||
| P1456 (90) | EVAP System Leak Detected (Fuel Tank Area) | P1456 | ||||||||
| P1457 (90) | EVAP System Leak Detected (Canister Area) | P1457 | ||||||||
| P1459 (92) | EVAP Purge Flow Switch Malfunction | P1459 | ||||||||
| P1491 (12) | EGR Valve Insufficient Lift Detected | P1491 | ||||||||
| P1498 (12) | EGR Valve Lift Sensor High Voltage | P1498 | ||||||||
| P1508 (14) | Idle Air Control (IAC) Valve Circuit Failure | P1508 | ||||||||
| P1607 (-) | PCM Internal Failure | P1607 | ||||||||
| P1655 (30/37) | SEAF/SEFA Signal Line Failure | P1655 | ||||||||
| P1709 (70/24) (1) | Automatic Transmission | (3) | ||||||||
| P1738 (70/25) (1) | Automatic Transmission | (3) | ||||||||
| P1753 (70/1) (1) | Automatic Transmission | (3) | ||||||||
| P1758 (70/2) (1) | Automatic Transmission | (3) | ||||||||
| P1768 (70/16) (1) | Automatic Transmission | (3) | ||||||||
| P1773 (70/23) (1) | Automatic Transmission | (3) | ||||||||
|
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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