DESCRIPTION When a stop light relay circuit malfunction signal sent from the electronically controlled brake system is detected by the clearance warning ECU assembly, DTC C1A4B is stored.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Using the Techstream, check for DTCs according to the prompts on the screen. HINT: After turning the engine switch from off to on (IG), wait 4 seconds or more before checking for DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes(b) Clear the DTCs according to the screen on the Techstream. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(c) Recheck for DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble CodesHINT:
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Toyota Avalon Service & Repair Manual > Hybrid Control System: Hybrid/EV Powertrain Control Module Processor Unexpected Operation (P060694)
DTC SUMMARY MALFUNCTION DESCRIPTION The main CPU and sub CPU of the Hybrid vehicle control ECU monitor each other. The cause of this malfunction may be the following: Hybrid vehicle control ECU internal malfunction Hybrid vehicle control ECU malfunction DESCRIPTION The hybrid vehicle control ECU mon ...