METER / GAUGE SYSTEM Odo / Trip Switch Malfunction

DESCRIPTION

The meter's ODO / TRIP display changes each time the trip switch is pressed.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING INTELLIGENT TESTER (TRIP SWITCH)

   
   

   1. Operate the intelligent tester according to the display and select "Data List".

      Combination Meter:

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      ODO/TRIP Change SW	Trip switch (ODO/TRIP switch) condition/ON or OFF	ON: Switch is pushed OFF: Switch is not pushed	-
      Trip Reset SW	Trip switch (RESET switch) condition/ON or OFF	ON: Trip switch (ODO/TRIP switch) pushed OFF: Trip switch (ODO/TRIP switch) not pushed	-

      OK
      Switch condition (ON/OFF) can be switched by actual operation.

   
   

   NG

   INSPECT TRIP SWITCH Click here

   OK

   REPLACE NO. 1 METER ECU

2. INSPECT TRIP SWITCH

   
   

   1. 

      Remove the trip switch Click here.

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

      Standard resistance
      Tester Connection Switch Condition Specified Condition 5 (RSET) - 6 (E) RESET switch ON (Pushed) Below 1 Ω RESET switch OFF (Not pushed) 10 kΩ or higher 7 (A/B) - 6 (E) ODO/TRIP switch ON (Pushed) Below 1 Ω ODO/TRIP switch OFF (Not pushed) 10 kΩ or higher

   
   

   NG

   REPLACE TRIP SWITCH Click here

   OK

3. CHECK HARNESS AND CONNECTOR (NO. 1 METER ECU - TRIP SWITCH AND BODY GROUND)

   
   

   1. 

      Disconnect the L10 meter connector.

   2. Disconnect the L45 switch connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition L10-4 (A/B) - L45-7 (A/B) Always Below 1 Ω L10-5 (RSET) - L45-5 (RSET) L45-6 (E) - Body ground L10-4 (A/B) or L45-7 (A/B) - Body ground Always 10 kΩ or higher L10-5 (RSET) or L45-5 (RSET) - Body ground

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

   REPLACE NO. 1 METER ECU