Eps Unit Input Voltage Test - TGB BLADE 600 Service Manual

15-2. ELECTRIC POWER STEERING
EPS unit Input Voltage Test (Power Side)
1. Disconnect the EPS power connector.
2. Test for 12 VDC EPS motor power at pin as
per following table.
EPS power connector pin 1 + Battery GND
The voltage should be battery voltage
▪ If NO voltage is measured, test the 40 A EPS
fuse. If good, check wires and connector pins.
Replace or repair defective parts and reset
faulty codes.
▪ If battery voltage is measured, carry out the
following EPS UNIT INPUT VOLTAGE TEST
(CONTROL SIDE).
EPS Unit Input Voltage Test (Control Side)
1. Disconnect EPS control connector and turn
ignition switch ON.
2. Set the ignition switch to ON.
3. Test for 12 VDC power to the EPS module pin
as per following table.
EPS control connector (pin A) + battery GND
The voltage should be battery voltage
▪ If NO voltage is measured, check wires and
connector pins from EPS unit to the
Relays/Speedo fuse in front fuse box.
Replace or repair defective parts and reset
faulty codes.
▪ If battery voltage is measured, carry out the
following EPS UNIT GROUND CIRCUIT
TEST.
15-2-8
①
②
Red/White
Red
③
Blued