REMOVAL PROCEDURE 1. REMOVE V-BANK COVER SUB-ASSEMBLY 2. REMOVE AIR CLEANER HOSE ASSEMBLY 3. DRAIN ENGINE COOLANT
4. DISCONNECT NO. 12 WATER BY-PASS HOSE
5. DISCONNECT NO. 13 WATER BY-PASS HOSE
6. REMOVE EGR VALVE ASSEMBLY
7. REMOVE EGR INLET
8. REMOVE NO. 3 EGR PIPE SUB-ASSEMBLY
9. REMOVE EGR VALVE BRACKET
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Toyota Tundra Service Manual > Lin Communication System: Driver Side Door ECU Communication Stop (B2321)
DESCRIPTION This DTC is output when LIN communication between the front power window regulator motor assembly LH and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. DTC Detection Condition Trouble Area B2321 No communication between the front power window regulator m ...