DTC 22: Current Flow into Wheel Sensor Input Amplifier

Turn the ignition switch OFF, then turn it ON (II).
Check for DTCs with the HDS (see HOW TO RETRIEVE DTCS ).
Do the VSA and ABS indicators come on, and are DTCs 11, 13, 15, 17 indicated?

YES -Troubleshoot the DTCs indicated (see DIAGNOSTIC TROUBLE CODE (DTC) ).

NO -Go to step 3.
Turn the ignition switch OFF.
Disconnect the VSA modulator-control unit 46P connector.
Start the engine.

Measure voltage between body ground and all the wheel sensor +B and GND terminals of the VSA modulator-control unit 46P connector individually (see table).

DTC AND TERMINAL IDENTIFICATION

DTC	Appropriate Terminal
DTC	+B	GND
Right-front	FR+B: No. 17	FR-GND: No. 16
Left-front	FL+B: No. 42	FL-GND: No. 21
Right-rear	RR+B: No. 19	RR-GND: No. 18
Left-rear	RL+B: No. 20	RL-GND: No. 41

Fig 1: Measuring Voltage Between VSA Modulator-Control Unit 46P Connector Terminals And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there any voltage?

YES -Repair short to power in the wires between the VSA modulator-control unit and the wheel sensor. After repair, go to step 7.

NO -Check for loose or poor connections in the VSA modulator-control unit 46P connector and wheel sensor 2P connector. If connections are good, replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).

Clear the DTCs with the HDS (see HOW TO RETRIEVE DTCS ).
Check for DTCs with the HDS (see HOW TO RETRIEVE DTCS ).
Does the VSA and ABS indicators come on, and is DTC 22 indicated?

YES -Check for loose or poor connections in the VSA modulator-control unit 46P connector. If connections are good, replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).

NO -The system is OK at this time.