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DESCRIPTION

Engine start conditions or system malfunctions can be checked by observing the status of the engine switch indicator light.

Engine switch indicator light condition 
Power Source Mode/Condition
Indicator Light Condition
Brake pedal released
Brake pedal depressed, shift lever in P or N
Off
OFF
Illuminates (green)
On (ACC, IG)
Illuminates (amber)
Illuminates (green)
Engine running
OFF
OFF
Steering lock not unlocked
Flashes (green) for 30 seconds
Flashes (green) for 30 seconds
System malfunction
Flashes (amber) for 15 seconds
Flashes (amber) for 15 seconds
Stop light switch with shift lever in P or N malfunction
Flashes (green) for 15 seconds
Flashes (green) for 15 seconds

WIRING DIAGRAM


A149434E01


INSPECTION PROCEDURE

1.INSPECT ENGINE SWITCH
A150029E02

  1. Remove the engine switch.

  1. Apply battery voltage between the terminals of the engine switch, and check the illumination condition of the engine switch indicator light.

    ПРИМЕЧАНИЕ:
    1. If the positive (+) lead and the negative (-) lead are incorrectly connected, the engine switch indicator light will not illuminate.
    2. If the voltage is too low, the indicator light will not illuminate.

    OK:
    Tester Connection
    		Condition
    		Specified Condition
    Battery terminal (+) → Terminal 11 (SWIL)
    -
    Battery terminal (-) → Terminal 5 (GND)
    		Always
    		Illuminates
    Battery terminal (+) → Terminal 12 (INDS)
    -
    Battery terminal (-) → Terminal 5 (GND)
    		Always
    		Illuminates
    Battery terminal (+) → Terminal 13 (INDW)
    -
    Battery terminal (-) → Terminal 5 (GND)
    		Always
    		Illuminates



NG
REPLACE ENGINE SWITCH
OK


2.CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)

A150033E02

  1. Disconnect the L36 engine switch connector.

  1. Disconnect the L13 main body ECU connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L36-11 (SWIL) - L13-25 (SWIL)
    		Always
    		Below 1 Ω
    L36-12 (INDS) - L13-15 (INDS)
    		Always
    		Below 1 Ω
    L36-13 (INDW) - L13-14 (INDW)
    		Always
    		Below 1 Ω
    L36-5 (GND) - Body ground
    		Always
    		Below 1 Ω
    L36-11 (SWIL) or L13-25 (SWIL) - Body ground
    		Always
    		10 kΩ or higher
    L36-12 (INDS) or L13-15 (INDS) - Body ground
    		Always
    		10 kΩ or higher
    L36-13 (INDW) or L13-14 (INDW) - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU