Back to 2002 Lexus LS 430

2002 LEXUS LS 430

4.3L V8RWDAUTOMATICgas
Repairs0Labor591Torque5693Fluid7DTC718Battery0Maintenance0Recalls0
P2400moderate severityPowertrain

EVAP Leak Detection Pump Control Circuit Open

on 2002 Lexus LS 430 4.3L V8 · RWD

What this code means

Open circuit in the EVAP leak detection pump control wiring.

Symptoms

  • Check engine light
  • EVAP monitor incomplete

Common causes

  • Broken wiring to LDP
  • Failed pump motor
  • Corroded connector
  • Blown fuse

Diagnostic steps

  1. Check fuse
  2. Inspect LDP connector
  3. Measure pump resistance
  4. Check wiring continuity

Repair notes

Repair wiring or replace leak detection pump.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →