Perform PCM reset procedure. See TESTS W/CODES - INTRODUCTION article. Turn ignition on and wait 3 seconds. If DTC P1607 is not indicated, problem is intermittent. System is okay at this time. If DTC P1607 is indicated, substitute a known-good PCM and recheck. If symptom or problem goes away, replace original PCM.
Home/Honda/Prelude/Honda Prelude V (1996-2001)/Repair manual/Testing & Diagnostics/DTC P1607 - PCM INTERNAL CIRCUIT
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Tests W/codes - Introduction: Overview
- Engine Controls - Tests W/codes - Introduction: Diagnosis
- Engine Controls - Tests W/codes - Introduction: Maintenance
- Engine Controls - Tests W/codes - Introduction: Component Locations
- Engine Controls - Tests W/codes - Introduction: Other
- Engine Controls - Tests W/codes - Tests: Overview
- Engine Controls - Tests W/codes - Tests: Diagnosis
- Engine Controls - Tests W/codes - Tests: Other
- DTC P0108 - MAP SENSOR CIRCUIT HIGH VOLTAGE INPUT
- DTC P0112 - INTAKE AIR TEMPERATURE (IAT) SENSOR LOW VOLTAGE INPUT
- DTC P0113 - INTAKE AIR TEMPERATURE (IAT) SENSOR HIGH VOLTAGE INPUT
- DTC P0116 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR RANGE/PERFORMANCE PROBLEM
- DTC P0117 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR LOW VOLTAGE INPUT
- DTC P0118 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR HIGH VOLTAGE INPUT
- DTC P0123 - THROTTLE POSITION (TP) SENSOR HIGH VOLTAGE INPUT
- DTC P0132 - PRIMARY HO2S-1 SENSOR HIGH VOLTAGE
- DTC P0133 - PRIMARY HO2S-1 SENSOR SLOW RESPONSE
- DTC P0135 OR DTC P0141 - HO2S SENSOR HEATER CIRCUIT MALFUNCTION
- DTC P0137 - SECONDARY HO2S-2 SENSOR LOW VOLTAGE
- DTC P0138 - SECONDARY HO2S-2 SENSOR HIGH VOLTAGE
- DTC P0139 - SECONDARY HO2S-2 SENSOR SLOW RESPONSE
- DTC P0171 & DTC P0172 - FUEL SUPPLY SYSTEM (TOO LEAN OR TOO RICH)
- DTC P0300 & P0301-P0304 - RANDOM CYLINDER MISFIRE DETECTED
- DTC P0301-P0304 - MISFIRE IN ONE CYLINDER DETECTED
- DTC P0325 - KNOCK SENSOR (KS) CIRCUIT MALFUNCTION
- DTC P0335, DTC P0336, DTC P1361 & DTC P1362 - CKP/TDC SENSOR
- DTC P0401 - EGR INSUFFICIENT FLOW
- DTC P0420 - CATALYTIC SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0452 - FUEL TANK PRESSURE (FTP) SENSOR LOW VOLTAGE
- DTC P0453 - FUEL TANK PRESSURE (FTP) SENSOR HIGH VOLTAGE
- DTC P0500 - VEHICLE SPEED SENSOR (VSS) RANGE/PERFORMANCE PROBLEM
- DTC P0505 - IDLE CONTROL SYSTEM MALFUNCTION
- DTC P1106 - BARO SENSOR RANGE/PERFORMANCE PROBLEM
- DTC P1107 & DTC P1108 - BARO SENSOR
- DTC P1121 & DTC P1122 - THROTTLE POSITION (TP) SENSOR
- DTC P1128 - MANIFOLD ABSOLUTE PRESSURE (MAP) LOWER THAN EXPECTED
- DTC P1129 - MANIFOLD ABSOLUTE PRESSURE (MAP) HIGHER THAN EXPECTED
- DTC P1259 - VTEC PRESSURE SWITCH & SOLENOID VALVE CIRCUIT
- DTC P1298 - ELECTRICAL LOAD DETECTOR (ELD) HIGH VOLTAGE INPUT
- DTC P1359 - CRANKSHAFT POSITION/TOP DEAD CENTER (CKP/TDC) SENSOR
- DTC P1361 & DTC P1362 - TDC SENSOR
- DTC P1381 & DTC P1382 - CYP SENSOR
- DTC P1491 - EGR SYSTEM MALFUNCTION
- DTC P1498 - EGR VALVE LIFT SENSOR HIGH VOLTAGE
- DTC P1508 - IDLE AIR CONTROL (IAC) VALVE
- DTC P1607 - PCM INTERNAL CIRCUIT
- DTC P1655 - SEAF/SEFA A/T SIGNAL LINE FAILURE
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Removal & Installation
- Engine Controls - System & Component Testing: Other
- Abbreviations
- Accessory Drive Belts
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- Wiring Diagrams - Engine Performance