DIGNOSTICS DTC C2171/71 TRNSMITTER ID NOT REGISTERED(MIN) 05687 05KCT02 DTC C2172/72 TRNSMITTER ID NOT REGISTERED(2ND) CIRCUIT DESCRIPTION DTC No. DTC Detecting Condition Trouble rea C2171/71 C2172/72 WIRI DIGRM Transmitter ID code is not registered. (When an ID code is unregistered for 51 minutes or more.) Tire pressure monitor ECU Tire pressure warning switch Wire harness J14 J/C WB Tire Pressure Warning Switch 1 2 Y 9 Tire Pressure Monitor ECU IJ F46799 INSPECTION PROCEDURE Set the tire pressure to the specified value. 1 CHECK TIRE PRESSURE WRNI LMP Check the tire pressure warning lamp. Result: B Does not blink Comes on and goes off repeatedly at 0.5 second intervals B Go to step 4 2 CLER DTC (SEE PGE 05654) 874
05688 DIGNOSTICS 3 CHECK DTC Check for DTC. : DTC is not output. REPLCE TIRE PRESSURE MONITOR ECU (SEE PGE 289) END (Perform procedures to check if the transmitter ID is registered (see page 05642).) 4 CHECK DTC Check if DTC C2171/71 is output. NO Go to step 9 YES 5 CHECK TIRE PRESSURE WRNI SWITCH MIN POSITION : Tire pressure warning switch is set to MIN. If the tire pressure warning switch is not set to MIN, set the tire pressure warning switch to the MIN and go to step 1. Go to step 1 6 INSPECT TIRE PRESSURE MONITOR ECU Connect the tire pressure monitor ECU connector. Measure the voltage according to the value(s) in the table below. 9 () 11 (GND) 10 V or higher GND F45868 Go to step 7 REGISTRTION OF TRNSMITTER ID (SEE PGE 05642) 875
DIGNOSTICS 05689 7 CHECK HRNESS ND CONNECTOR(TIRE PRESSURE MONITOR ECU TIRE PRESSURE WRNI SWITCH) (SEE PGE 0136) Disconnect the tire pressure monitor ECU connector and tire pressure warning switch connector. 9 () 2 9 () Body ground Below 1 Ω 10 kω or higher F45860 F46794 REPIR OR REPLCE HRNESS OR CONNECTOR 8 INSPECT TIRE PRESSURE WRNI SWITCH INT E Disconnect tire pressure warning switch connector. Switch Position MIN 2 (INT) 1 (E) 10 kω or higher 2nd 2 (INT) 1 (E) Below 1 Ω F40735 REPLCE TIRE PRESSURE WRNI SWITCH REPLCE TIRE PRESSURE MONITOR ECU (SEE PGE 289) 876
05690 DIGNOSTICS 9 CHECK TIRE PRESSURE WRNI SWITCH 2ND POSITION : Tire pressure warning switch is set to 2nd. If the tire pressure warning switch is not set to 2nd, set the tire pressure warning switch to the 2nd and go to step 1. Go to step 1 10 INSPECT TIRE PRESSURE MONITOR ECU Connect the tire pressure monitor ECU connector. Measure the voltage according to the value(s) in the table below. 9 () 11 (GND) Below 6 V GND F45868 Go to step 11 REGISTRTION OF TRNSMITTER ID (SEE PGE 05642) 877
DIGNOSTICS 05691 11 CHECK HRNESS ND CONNECTOR(TIRE PRESSURE MONITOR ECU TIRE PRESSURE WRNI SWITCH) (SEE PGE 0136) Disconnect the tire pressure monitor ECU connector and tire pressure warning switch connector. 9 () 2 9 () Body ground Below 1 Ω 10 kω or higher F45860 F46794 REPIR OR REPLCE HRNESS OR CONNECTOR 12 INSPECT TIRE PRESSURE WRNI SWITCH INT E Disconnect tire pressure warning switch connector. Switch Position MIN 2 (INT) 1 (E) 10 kω or higher 2nd 2 (INT) 1 (E) Below 1 Ω F40735 REPLCE TIRE PRESSURE WRNI SWITCH REPLCE TIRE PRESSURE MONITOR ECU (SEE PGE 289) 878