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DTC Troubleshooting Index

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLESHOOTING CHART

DTC Detection Item
11-01  Low/High IG1-Terminal Voltage (Initial Diagnosis)
11-02  Low/High IG1-Terminal Voltage (Regular Diagnosis)
12-01  Low/High VBU Voltage (Regular Diagnosis)
21-01  Excessive Change of the Vehicle Speed Signal (Regular Diagnosis)
21-02  Comparison Between the Vehicle Speed and the Engine Speed Signal (Regular Diagnosis)
22-01  Engine Speed Signal (Regular Diagnosis)
31-01  Torque Sensor Neutral Position Not Memorized (Regular Diagnosis)
32-01  EPS Control Unit Internal Circuit (Current Sensor) (Initial Diagnosis)
32-02  EPS Control Unit Internal Circuit Offset (Current Sensor) (Regular Diagnosis)
32-03  Lower Current Sensor Stuck ON (Initial Diagnosis)
32-04  Lower Current Sensor Stuck ON (Regular Diagnosis)
32-05  Motor Power Supply Voltage (Regular Diagnosis)
32-06  EPS Control Unit Internal Circuit (Sub-CPU) (Regular Diagnosis)
33-01  Lower FET Stuck ON (Initial Diagnosis)
33-02  Upper FET Stuck ON (Initial Diagnosis)
33-03  FET Stuck ON (Overcurrent) (Regular Diagnosis)
33-04  FET Stuck ON (Failure) (Regular Diagnosis)
33-05  FET Stuck ON (Overcurrent Addition) (Regular Diagnosis)
34-01  Power Relay Stuck ON (IG Switch is in LOCK (0))
34-02  Fail-safe Relay Stuck ON (Initial Diagnosis)
35-01  EPS Control Unit Internal Circuit (CPU) (Initial Diagnosis/Regular Diagnosis)
35-02  EPS Control Unit Internal Circuit (EEPROM) (Initial Diagnosis)
35-03  EPS Control Unit Internal Circuit (CPU Communication) (Initial Diagnosis)
35-04  EPS Control Unit Internal Circuit (CPU Communication) (Regular Diagnosis)
36-01  EPS Control Unit Internal Circuit (Direction Distinction) (Regular Diagnosis)
36-02  EPS Control Unit Internal Circuit (INH Output Circuit) (Initial Diagnosis)
37-01  EPS Control Unit Internal Circuit (Set-Up Circuit) (Initial Diagnosis)
37-02  EPS Control Unit Internal Circuit (Set-Up Circuit) (Regular Diagnosis)
51-01  Torque Sensor (VT1 and VT2) (Regular Diagnosis)
51-02  Torque Sensor (VT3 Differential-amplification Function) (Regular Diagnosis)
51-03  Torque Sensor (VT1, VT2 Rapid-change) (Regular Diagnosis)
51-04  Torque Sensor (Temperature) (Regular Diagnosis)
51-05  Torque Sensor (Coil) (Regular Diagnosis)
61-01  EPS Motor Voltage (Initial Diagnosis)
61-02  EPS Motor Voltage (Regular Diagnosis)
61-03  Open in the EPS Motor Harness (Regular Diagnosis)
NOTE:
  • Initial diagnosis: Done right after the engine starts and until the EPS indicator goes off
  • Regular diagnosis: Done right after the initial diagnosis until the ignition switch is turned to LOCK (0).