ECD SYSTEM, Diagnostic DTC:P1530

DTC Code DTC Name
P1530 Engine Emergency Halt Switch

DESCRIPTION

The vehicle may be equipped with an emergency halt switch depending on the vehicle specifications. If an emergency halt switch is equipped on the vehicle, this DTC is set if a vehicle speed signal and emergency halt switch ON signal are input to the ECM simultaneously. If this DTC is set, inspect and repair the emergency halt switch circuit.

Tech Tips

Different types of emergency halt switches may be used according to the type of vehicle conversion.

P1530
DTC Detection Drive Pattern DTC Detection Condition Trouble Area
-

Either of the following conditions (a) or (b) is met:

(a) Both of the following conditions (1) and (2) are met:

(1) Engine cranking

(2) STOP signal on

(b) Both of the following conditions (3) and (4) are met:

(3) Engine speed 10 km/h (6.3 mph) or more

(4) STOP signal on

  • Emergency halt switch circuit

  • Emergency halt switch

  • ECM

INSPECTION PROCEDURE

Note

After replacing the ECM, the new ECM needs registration Click here and initialization Click here.

PROCEDURE


  1. CHECK OTHER DTC OUTPUT


    1. Replace the normal DLC3 cable (12 V specification) for the intelligent tester with the 24 V DLC3 cable.

      Note

      Be sure to use the 24 V DLC3 cable when connecting the intelligent tester to the DLC3. Using the normal DLC3 cable (12 V specification) will cause damage to the tester.

    2. Connect the intelligent tester to the DLC3.

    3. Turn the ignition switch to ON.

    4. Turn the tester on.

    5. Enter the following menus: Powertrain / Engine and ECT / DTC.

    6. Read the DTCs.

      Result
      Result Proceed to
      DTC P1530 is output A
      DTC is not output B

    B

    CHECK FOR INTERMITTENT PROBLEMS Click here

    A

    CHECK AND REPLACE ENGINE EMERGENCY HALT SWITCH SYSTEM