Toyota CH-R Service Manual > Can Communication System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Diagnostic Trouble Code Chart
DTC No.
Detection Item
Trouble Area
Link
B1003
ECU Malfunction
Central gateway ECU (network gateway ECU)
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Toyota CH-R Service Manual > Vacuum Warning Switch: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
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2. INSPECT BRAKE BOOSTER ASSEMBLY
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3. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
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4. INSPECT VACUUM WARNING SWITCH ASSEMBLY
(a) Start the engine and stop it after 1 or 2 minute ...