# Idle-up speed — electrical loads (Mazdaspeed)

Canonical URL: https://miatatorque.com/spec/idle-up-electrical-load-msm/

Applicability: NB 2004–2005 (BP-Z3-TURBO, 6MT) — Actual2005 factory evidence; 2004 inferred within MSM family.

Confidence: fsm

800–900 rpm (850 ± 50 rpm)

Always confirm against your factory manual. Match every restriction and follow all stages and procedure notes. Disputed claims must not be automatically resolved. The complete record below preserves every printed unit, source claim and procedure.

```json
{
  "id": "idle-up-electrical-load-msm",
  "name": "Idle-up speed — electrical loads (Mazdaspeed)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2004,
        2005
      ],
      "engines": [
        "BP-Z3-TURBO"
      ],
      "trans": [
        "6MT"
      ],
      "note": "Actual2005 factory evidence; 2004 inferred within MSM family."
    }
  ],
  "kind": "non-torque",
  "value_text": "800–900 rpm (850 ± 50 rpm)",
  "procedure": {
    "notes": "Warm engine to normal operating temperature with fully charged battery. Begin with MT in Neutral or AT in P, electrical loads off, and cooling fan stopped. Read RPM PID using factory-compatible diagnostic equipment. Read after the temporary speed drop when loads are first switched on. Turn headlights on, blower above first position, cooling fan running and rear defroster on."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-2005",
      "page": "Engine Tune-Up, Idle-up Speed Inspection (PDF p. 651)",
      "as_printed": "BP WITH TC\nMT\nE/L ON* 2\n800—900 (850 ± 50)",
      "verified_years": [
        2005,
        2005
      ],
      "document": {
        "id": "fsm-2005",
        "tier": 1,
        "title": "2005 Mazda MX-5 Miata Workshop Manual (electronic manual capture)",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2005,
              2005
            ],
            "engines": [
              "BP-Z3"
            ]
          },
          {
            "gen": "NB",
            "years": [
              2005,
              2005
            ],
            "engines": [
              "BP-Z3-TURBO"
            ],
            "trans": [
              "6MT"
            ]
          }
        ]
      }
    }
  ],
  "jobs": [],
  "system": "fuel-intake",
  "component": "inventory-pass-2026-10",
  "componentName": "Service measurements and fasteners",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/idle-up-electrical-load-msm/"
}
```