DIAGNOSIS SYSTEM
DESCRIPTION
(a) Smart key system (for Entry Function) data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart key system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Terminals Of Ecu
Dtc Check / ClearToyota CH-R Service Manual > Door Control Switch: Inspection
INSPECTION
PROCEDURE
1. INSPECT MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Check that the LED illuminates.
(1) Apply battery voltage to the multiplex network master switch assembly
and check that the LED illuminates.
OK:
Measurement Condition
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Toyota CH-R Service Manual > Navigation System: Black Screen
PROCEDURE
1.
CHECK DISPLAY SETTING
(a) Check that the display is not in screen off mode.
OK:
The display setting is not in screen off mode.
NG
CHANGE SCREEN TO SCREEN ON MODE
OK
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