DESCRIPTION
This is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (ECU - BATTERY AND BODY GROUND) |
(a) Disconnect the M23 tire pressure warning ECU and receiver connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M23-1 (IG) - Body ground |
Ignition switch to ON |
10 to 16 V |
Ignition switch off |
Below 1 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M23-12 (GND) - Body ground |
Always |
Below 1 Ω |
OK |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Theft Deterrent System: Power Source Circuit
DESCRIPTION
Based on changes in the power source voltage, the main body ECU (multiplex network
body ECU) can detect if the battery has been disconnected and reconnected.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), r ...
Toyota CH-R Service Manual > Vacuum Warning Switch: Components
COMPONENTS
ILLUSTRATION
*1
COWL BODY MOUNTING REINFORCEMENT LH
*2
COWL BODY MOUNTING REINFORCEMENT RH
*3
NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL
*4
OUTER COWL TOP PANEL SUB-ASSEMBLY
*5 ...