- Perform PCM reset procedure. See Self Diagnostic section. Start engine and turn headlights on. If DTC P1298 is indicated, go to next step. If DTC P1298 is not indicated, problem is intermittent. System is okay at this time. Check for poor connections or loose wires between ELD and PCM connectors. See «WIRING DIAGRAMS»(ref-16355) article.
- Turn ignition and headlights off. Disconnect ELD 3-pin connector. Check for continuity between ground and ELD connector terminal No. 2 (Black wire). (Схема №13) If continuity exists, go to next step. If continuity does not exist, repair open in Black wire between ELD and ground connection G402.
- Check for continuity between ELD connector terminal No. 3 (Green/Red wire) and PCM 16-pin connector "D" terminal D16. (Схема №4)and (Схема №13). If continuity exists, go to next step. If continuity does not exist, repair open in Green/Red wire between PCM connector and ELD. See «WIRING DIAGRAMS»(ref-16355) article.
- Reconnect ELD 3-pin connector. Start engine and allow it to idle. Using backprobe kit, measure voltage between PCM 32-pin connector "A" terminal A9 (Brown/Black wire) and PCM 16-pin connector "D" terminal D16 (Green/Red wire). While measuring voltage, turn headlights on low. If voltage does not decrease, replace ELD. If voltage decreases, substitute a known-good PCM and recheck. If symptom or problem goes away, replace original PCM.
Home/Honda/Civic/Honda Civic VI (1995-2002)/Repair manual/Testing & Diagnostics/DTC P1298 - ELECTRICAL LOAD DETECTOR (ELD) HIGH VOLTAGE INP…
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: Overview
- Engine Controls - Tests W/codes: Diagnosis
- Engine Controls - Tests W/codes: 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 P0131 (EXCEPT CIVIC D16Y5 M/T) - PRIMARY HO2S-1 LOW VOLTAGE
- DTC P0133 (EXCEPT D16Y5 M/T) - PRIMARY HO2S-1 SLOW RESPONSE
- DTC P0137 - SECONDARY HEATED OXYGEN SENSOR-2 (HO2S-2) LOW VOLTAGE
- DTC P0138 - SECONDARY HEATED OXYGEN SENSOR-2 (HO2S-2) HIGH VOLTAGE
- DTC P0139 - PRIMARY HEATED OXYGEN SENSOR-2 (HO2S-2) SLOW RESPONSE
- DTC P0171 & P0172 - FUEL SUPPLY SYSTEM
- DTC P0300-P0304 - RANDOM CYLINDER MISFIRE DETECTED
- DTC P0301-P0304 - CYLINDER MISFIRE DETECTED
- DTC P0325 (D16Y5 CVT & D16Y8) - KNOCK SENSOR (KS) CIRCUIT MALFUNCTION
- DTC P0335, P0336, P1361, P1362, P1381 & P1382 - CKP/TDC/CYP SENSOR
- DTC P0401 (D16Y5) - 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 & P0501 - VEHICLE SPEED SENSOR (VSS) MALFUNCTION
- DTC P0505 - IDLE CONTROL SYSTEM MALFUNCTION
- DTC P1106 - BARO SENSOR RANGE/PERFORMANCE PROBLEM
- DTC P1107 & P1108 - BARO SENSOR
- DTC P1121 & P1122 - THROTTLE POSITION (TP) SENSOR
- DTC P1128 - MANIFOLD ABSOLUTE PRESSURE (MAP) LOWER THAN EXPECTED
- DTC P1129 - MANIFOLD ABSOLUTE PRESSURE (MAP) HIGHER THAN EXPECTED
- DTC P1162 (D16Y5 M/T) - PRIMARY HEATED OXYGEN SENSOR-1 (HO2S-1) CIRCUIT MALFUNCTION
- DTC P1163 (D16Y5 M/T) - PRIMARY HO2S-1 SLOW RESPONSE
- DTC P1164 (D16Y5 M/T) - PRIMARY HO2S-1 RANGE/PERFORMANCE PROBLEM
- DTC P1165 (D16Y5 M/T) - PRIMARY HO2S-1 RANGE/PERFORMANCE PROBLEM
- DTC P1167 (D16Y5 M/T) - PRIMARY HO2S-1 HEATER CIRCUIT MALFUNCTION
- DTC P1168 (D16Y5 M/T) - PRIMARY HO2S-1 LABEL LOW VOLTAGE INPUT
- DTC P1169 (D16Y5 M/T) - PRIMARY HO2S-1 LABEL HIGH VOLTAGE INPUT
- DTC P1259 (D16Y5 & D16Y8) - VTEC PRESSURE SWITCH & SOLENOID VALVE
- DTC P1298 - ELECTRICAL LOAD DETECTOR (ELD) HIGH VOLTAGE INPUT
- DTC P1336 & P1337 - CRANKSHAFT SPEED FLUCTUATION (CKF) SENSOR
- DTC P1359 - CKP/TDC/CYP SENSOR CIRCUIT PROBLEM
- DTC P1361, P1362, P1381 & P1382 - CKP/TDC/CYP SENSOR
- DTC P1491 (D16Y5 CVT) - EGR SYSTEM MALFUNCTION
- DTC P1498 (D16Y5) - EGR VALVE LIFT SENSOR HIGH VOLTAGE
- DTC P1508 (D16Y5 M/T & D16Y8 M/T) - IDLE AIR CONTROL (IAC) VALVE
- DTC P1607 - PCM INTERNAL CIRCUIT
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Removal & Installation
- Engine Controls - System & Component Testing: Other
- Pgm-Fi System (Gx): Overview
- Pgm-Fi System (Gx): Diagnosis
- Pgm-Fi System (Gx): Other
- DTC P0107: A Low Voltage (High Vacuum) Problem In The Manifold Absolute Pressure (MAP) Sensor
- DTC P0116: A Range/Performance Problem In The Engine Coolant Temperature (ECT) Sensor Circuit
- DTC P0122: A Low Voltage Problem In The Throttle Position (TP) Sensor Circuit
- DTC P0191: A Range/Performance Problem In The Fuel Pressure Circuit
- DTC P1182: A Low Voltage (High Temperature) Problem In The Fuel Temperature Sensor Circuit
- DTC P1187: A Low Voltage (High Temperature) Problem In The Fuel Tank Temperature Sensor Circuit
- Emission Control System (Gx): Overview
- Emission Control System (Gx): Diagnosis
- Emission Control System (Gx): Other
- Abbreviations
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- Wiring Diagrams - Engine Performance