Tire Pressure Warning System Tire Pressure Warning Reset Switch Circuit

Suspension. Corolla. Zre142 Aze141
Tire Pressure Monitoring. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK TIRE PRESSURE WARNING RESET SWITCH FUNCTION

INSPECT TIRE PRESSURE WARNING RESET SWITCH

CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING RESET SW - TIRE PRESSURE WARNING ECU)

TIRE PRESSURE WARNING SYSTEM - Tire Pressure Warning Reset Switch Circuit


DESCRIPTION

Initialization can be started by pressing the tire pressure warning reset switch and holding it for 3 seconds or more. If the ECU receives the signal from the switch, the tire pressure warning light blinks 3 times (1 second on, 1 second off).

WIRING DIAGRAM


Corolla. Zre142 Aze141.Tire Pressure Monitoring.Tire Pressure Warning System.Tire Pressure Warning System Tire Pressure Warning Reset Switch Circuit


INSPECTION PROCEDURE

NOTICE:
  1. When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and write down before removal.
  2. It is necessary to perform initialization (COROLLA_ZRE142 RM000000XMZ07PX.html) after registration (COROLLA_ZRE142 RM000000XN108OX.html) of the transmitter IDs into the tire pressure warning ECU, after the ECU has been replaced.
1.CHECK TIRE PRESSURE WARNING RESET SWITCH FUNCTION

  1. Perform the tire pressure warning reset switch test in Test Mode Procedure (COROLLA_ZRE142 RM000000XN008IX.html).

    OK:
    Reset switch ON:
    Tire pressure warning light comes on.
    Reset switch OFF:
    Tire pressure warning light blinks.


NG
Go to step 2
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (COROLLA_ZRE142 RM000000XMT07JX.html)

2.INSPECT TIRE PRESSURE WARNING RESET SWITCH


    Corolla. Zre142 Aze141.Tire Pressure Monitoring.Tire Pressure Warning System.Tire Pressure Warning System Tire Pressure Warning Reset Switch Circuit

  1. Disconnect the tire pressure warning reset switch connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E95-1 (INT) - E95-2 (E)
    		ON
    		Below 1 Ω
    OFF
    		10 kΩ or higher


NG
REPLACE TIRE PRESSURE WARNING RESET SWITCH (COROLLA_ZRE142 RM00000271K026X.html)
OK


3.CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING RESET SW - TIRE PRESSURE WARNING ECU)

  1. Disconnect the tire pressure warning reset switch E95 connector and tire pressure warning ECU E94 connector.

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

    Standard Resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    E94-1 (CLSW) - E95-1 (INT)
    		Always
    		Below 1 Ω
    E94-1 (CLSW) - Body ground
    		10 kΩ or higher
    E95-2 (E) - Body ground
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE TIRE PRESSURE WARNING ECU (COROLLA_ZRE142 RM0000024T8027X.html)