Tire Pressure Warning Reset Switch Circuit
TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: Tire Pressure Warning Reset Switch Circuit
- Tire Pressure Warning Reset Switch Circuit
DESCRIPTION
Receiving the signal from the tire pressure warning reset switch (satellite switch), the tire pressure warning ECU and receiver indicates the initialization of the tire pressure warning system.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
It is necessary to perform initialization Initialization after registration Registration of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.
PROCEDURE
1. CHECK TIRE PRESSURE WARNING RESET SWITCH FUNCTION
(a) Turn the engine switch on (IG).
(b) Check that the tire pressure warning light comes on for 3 seconds.
(c) Perform the tire pressure warning reset switch test in the Test Mode procedure Test Mode Procedure.
Result:
NG -- CHECK TIRE PRESSURE WARNING RESET SWITCH
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures
2. CHECK TIRE PRESSURE WARNING RESET SWITCH
(a) Using the satellite switch, check that the switch operates normally in the other modes. (For example: TACH INDICATOR mode)
OK:
The satellite switch operates normally.
NG -- INSPECT TIRE PRESSURE WARNING RESET SWITCH
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (COMBINATION METER - TIRE PRESSURE WARNING ECU AND RECEIVER)
(a) Disconnect the tire pressure warning ECU and receiver J49 connector and combination meter assembly J34 connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Removal
4. INSPECT TIRE PRESSURE WARNING RESET SWITCH
(a) Disconnect the satellite switch J16 connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
HINT
The satellite switch is used as the tire pressure warning reset switch. As a result, the inspection above describes inspection of the satellite switch. If a fault is confirmed in the above inspection, replace the satellite switch.
NG -- REPLACE TIRE PRESSURE WARNING RESET SWITCH (SATELLITE SWITCH) Removal
OK -- Continue to next step.
5. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - SATELLITE SWITCH)
(a) Disconnect the satellite switch J16 connector and combination meter assembly J35 connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE COMBINATION METER ASSEMBLY Removal