DTC C2176/76: Receiver Error: Procedure

1. Disconnect the D33 ECU connector.
   Fig 1: Checking Harness And Connector (ECU - Receiver)

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2. Disconnect the O11 receiver connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   D33-6 (RF5V) - O11-5 (+5V)	Always	Below 1 Ω
   D33-12 (RDA) - O11-1 (RDA)
   D33-11 (GND2) - O11-4 (GND)
   D33-6 (RF5V) or O11-5 (+5V) - Body ground		10 kΩ or higher
   D33-11 (GND2) or O11-4 (GND) - Body ground
   D33-12 (RDA) or O11-1 (RDA) - Body ground

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the D33 ECU connector.
   Fig 2: Checking Voltage Of Tire Pressure Warning ECU

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2. Turn the ignition switch on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Standard voltage

   Tester Connection	Switch Condition	Specified Condition
   D33-6 (RF5V) - D33-11 (GND2)	Ignition switch on (IG)	4.5 to 5.5 V

NG → See step   3 

OK → See step   4