Nissan C1311: ABS Main Relay 1 Open

Is your scanner showing Nissan C1311?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Nissan C1311: ABS Main Relay 1 Open

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$200-$1000
Can I Still Drive?
:
Yes (Short-term only)

What Does The Nissan C1311 Code Mean?

This code sets when either of the following is detected:

1. Relay contact is off (BS1 terminal is less than 3.5 V) for at least 0.2 seconds when R1+ terminal voltage is 9.0 V or more and ABS relay No.1 is on.

2. R1+ terminal voltage is less than 9.0 V and No.1 relay cannot be on for at least 0.2 seconds when ABS relay No.1 is turned on (BS1 terminal is 3.5 V or more).

What Are The Potential Causes Of The Nissan C1311 Code?

  • ABS relay No.1
  • ABS relay No.1 circuit
  • Brake ECU

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> ECU Parking. Fits Altima 36032-6CA0B

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

BRAKE CONTROL SYSTEM SERVICE MANUAL for C1311 – Pages 112-114.

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