DESCRIPTION This circuit detects the engine switch on (ACC) or off condition, and sends it to the main body ECU (multiplex network body ECU). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body / Data List. (e) Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List
OK: Normal conditions listed above are displayed.
(a) Disconnect the 4K and 4D instrument panel junction block assembly connectors. (b) Disconnect the G32 main body ECU (multiplex network body ECU) connector. (c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(d) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon Service & Repair Manual > Sfi System: Engine Coolant Pump Circuit Short to Ground or Open (P26CA14)
DESCRIPTION Refer to DTC P26CA12. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P26CA14 Engine Coolant Pump Circuit Short to Ground or Open The operation duty ratio (WPO) of the monitoring water inlet housing with water pump sub-assembly becomes a certain amo ...