LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2025 >> Integra Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Advanced Diagnostics (P16E2 - U3502) >> Advanced Diagnostics >> DTC Advanced Diagnostics: P16F5 (2.0L Engine) (2024 2025)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Advanced Diagnostics: P16F5 (2.0L Engine) (2024 2025)

DTC P16F5  : Starter Cut Relay 1 Control Circuit High Voltage

General Description 

GHH652839Courtesy of HONDA, U.S.A., INC.

The short to power in starter cut relay circuit can be detected only if the starter driver is active. The monitoring is done by the powertrain control module (PCM). If the PCM detects a short circuit to power at starter cut relay 1 circuit, a DTC is stored.

Monitor Execution, Sequence, Duration, DTC Type 

Execution Continuous
Sequence None
Duration 0.26 seconds or more
DTC Type One drive cycle, MIL off

Enable Conditions 

Condition  
Vehicle ON mode

Malfunction Threshold 

The PCM detects a short circuit to power at starter cut relay 1 circuit for at least 0.26 seconds.

Possible Cause 

NOTE:

The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

  • Starter cut relay 1 circuit ST_CUT_RLY1_CL- line short to power
  • PCM internal circuit failure

Diagnosis Details 

Conditions for setting the DTC 

When a malfunction is detected, a Pending DTC, a Confirmed DTC, the freeze data, and the on-board snapshot are stored in the PCM memory. The MIL does not come on.

Conditions for clearing the DTC 

The Pending DTC, the Confirmed DTC, the freeze data, and the on-board snapshot can be cleared with the scan tool clear command.