Engine Switch Indicator Circuit

THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): Engine Switch Indicator Circuit
- Engine Switch Indicator Circuit

DESCRIPTION

Engine switch condition (power source mode) or system malfunctions can be checked by observing the status of the engine switch indicator light.

Engine Switch Indicator Light Condition





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT ENGINE SWITCH





(a) Disconnect the E18 engine switch connector.

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

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

OK:





NG -- REPLACE ENGINE SWITCH Removal
OK -- Continue to next step.

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





(a) Disconnect the E1 main body ECU connector.

(b) Disconnect the E18 engine switch connector.

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU