Trouble Code Definition

WARNING: This page is about a different car, the 1992 Honda Civic. However, it is still accessible from the selected car via links, so may be relevant.

TROUBLE CODE IDENTIFICATION CHART

Code ⁽¹⁾

System Affected

Probable Cause

ECU

No Signal To ECU

O2 Sensor (D15B8)

Problem In O2 Sensor Circuit

O2 Sensor (D15B7 & D16Z6)

Problem In O2 Sensor Circuit

MAP Sensor

Electrical Problem In MAP Sensor

Crank Angle Sensor (CRANK)

Open Or Shorted Signal Circuit

MAP Sensor (D15B7)

Mechanical Problem In MAP Sensor

MAP Sensor (D15B8, D15Z1 & D16Z6)

Mechanical Problem In MAP Sensor

Coolant Temp. (TW) Sensor

Open Or Shorted Signal Circuit

Throttle Angle Sensor

Open Or Shorted Signal Circuit

Crank Angle Sensor (TDC)

Open Or Shorted Signal Circuit

Crank Angle Sensor (CYL)

Open Or Shorted Signal Circuit

Intake Air Temperature

Problem With Sensor

EGR System

No EGR action

Atmospheric Pressure (PA)

Problem with PA Circuit

Electronic Air Control Valve (EACV)

Open Or Shorted Signal Circuit

Ignition Output Signal

Electrical Problem In Signal Circuit

Fuel Injector

Problem In Fuel Injector Circuit

Vehicle Speed Sensor (VSS)

Open Or Shorted Signal Circuit

A/T Lock-up Control Solenoid

Problem In Lock-Up Solenoid Circuit

Electrical Load Detector

Problem With Electrical Load Detector Circuit

Spool Solenoid Valve

Problem With VTEC Spool Solenoid Circuit

VTEC Oil Pressure Switch

Problem In VTEC Oil Pressure Switch Circuit

LAF Sensor Heater (D15Z1)

Problem With LAF Sensor Circuit

O2 Sensor Heater (D15B7 & D16Z6)

Problem With O2 Sensor Circuit

Fuel Supply System (Except D15Z1)

Problem With O2 Sensor Circuit Or Fuel System

LAF Sensor (D15Z1 Engine)

Problem With LAF Sensor Circuit; Wire Harness Open Or Short Check

⁽¹⁾

If codes other than these are indicated, repeat self-diagnosis. If code(s) reappear, substitute a known good ECU, and recheck codes. If code(s) clear, replace ECU.