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.
Toyota CH-R Service Manual > Door Control Transmitter(w/o Smart Key System): Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Take extra care when handling these precision electronic components.
PROCEDURE
1. REMOVE TRANSMITTER HOUSING COVER
(a) Using a screwdriver with its tip wrapped in protective tape, remove the transmitter
housing cover as shown in the illustration.
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Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Security Indicator Light Does not Blink
DESCRIPTION
The certification ECU (smart key ECU assembly) blinks the security indicator
light (clock assembly) when the immobiliser is set (engine switch off).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When using the Techstream with the engine switch off, connect the Techstrea ...