ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT PARK/NEUTRAL POSITION SWITCH OPERATION
(a) Apply the parking brake.
(b) Turn the ignition switch to ON.
(c) Depress the brake pedal and check that the engine starts when the shift lever is in N or P, but does not start in any other position.
(d) Check that the back-up light illuminates and the reverse warning buzzer sounds only when the shift lever is in R, but does not function in any other position.
If a malfunction or failure is found, check the park/neutral position switch for continuity.
Components
RemovalToyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) Headlight ECU sub-assembly
(1) The headlight ECU sub-assemblies stop light operation if the following malfunctions
are detected.
Malfunction
Multi-information Display Warning
DTC Output
Lighting on/off
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 3 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway
ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway
ECU (network gateway ECU) and ...