Operation CHARM: Car repair manuals for everyone.

DTC 22

Inspection 1: Transmitter or Low Tire Pressure Warning Control Unit
MALFUNCTION CODE NO. 21, 22, 23 OR 24
1. CHECK CONNECTOR
^ Disconnect low tire pressure warning control unit connector M77.
^ Check terminals for damage or loose connections.

Inspection results OK?
OK >> GO TO 2.
NG >> Repair or replace damaged parts.

2. CHECK ANTENNA CONNECTOR
^ Check antenna and feeder connector M205 for damage or loose connections.

OK or NG?
OK >> GO TO 3.
NG >> Repair or replace antenna or feeder connector.

3. CHECK ANTENNA CIRCUIT
^ Check antenna circuit continuity.

OK or NG?
OK >> Check transmitter and transmitter activation tool.
NG >> Replace antenna circuit.