diff --git a/api/routes.py b/api/routes.py
index f5bfc6a..21ce817 100644
--- a/api/routes.py
+++ b/api/routes.py
@@ -16,7 +16,7 @@ from flask import jsonify, request
 from api.config import load
 from api.db import Database
 from api.parser import format_no_llm, parse_batch
-from api.scripts import build_default_script, build_full_script, build_script_for_level, build_dynamic_script
+from api.scripts import build_default_script, build_full_script, build_script_for_level, build_dynamic_script, build_test_script
 from brain.client import Diagnoser, LLMError
 from brain.prompts import SYSTEM_PROMPT, DYNAMIC_PROMPT
 
@@ -93,6 +93,12 @@ def register(app):
                 script = build_default_script()
         elif mode == "dynamic":
             script = build_dynamic_script()
+        elif mode == "test":
+            wait = int(request.args.get("wait", 400))
+            pid_str = request.args.get("pids", "")
+            pids = pid_str.split(",") if pid_str else None
+            repeat = int(request.args.get("repeat", 10))
+            script = build_test_script(wait_ms=wait, pids=pids, repeat=repeat)
         elif mode == "full":
             script = build_full_script()
         else:
diff --git a/api/scripts.py b/api/scripts.py
index 0059edd..2e79a71 100644
--- a/api/scripts.py
+++ b/api/scripts.py
@@ -131,3 +131,42 @@ def build_dynamic_script() -> dict:
             {"id": "pid_1F", "cmd": "011F", "desc": "Время работы"},
         ],
     }
+
+
+def build_test_script(wait_ms: int = 400, pids: list[str] | None = None, repeat: int = 10) -> dict:
+    """Тестовый скрипт для отладки таймингов ELM327.
+
+    Сервер управляет таймингами — можно менять wait_ms/pids/repeat без передеплоя APK.
+
+    Args:
+        wait_ms: пауза ПЕРЕД каждой OBD-командой (ms)
+        pids: список PID для опроса (по умолчанию 010C,0110,0106)
+        repeat: сколько раз повторить цикл
+    """
+    if pids is None:
+        pids = ["010C", "0110", "0106"]
+
+    pid_names = {"010C": "RPM", "0110": "MAF", "0106": "STFT", "0105": "ОЖ",
+                 "0104": "Нагрузка", "0107": "LTFT", "0111": "Дроссель",
+                 "010D": "Скорость", "010B": "MAP", "010F": "IAT"}
+
+    steps = []
+    # Статика — один проход по всем PID для калибровки
+    for pid in pids:
+        name = pid_names.get(pid, pid)
+        steps.append({"id": f"static_{pid}", "cmd": pid, "desc": f"{name} (статик)", "wait": 0})
+
+    # Динамика — repeat циклов
+    for cycle in range(repeat):
+        for pid in pids:
+            name = pid_names.get(pid, pid)
+            steps.append({"id": f"dyn{cycle}_{pid}", "cmd": pid, "desc": f"{name}", "wait": wait_ms})
+
+    return {
+        "version": 1,
+        "mode": "test",
+        "title": f"Тест: {len(pids)} PID × {repeat}, пауза {wait_ms}ms",
+        "wait_ms": wait_ms,
+        "repeat": repeat,
+        "steps": steps,
+    }