DTC Logic
DTC DETECTION LOGIC
|
DTC |
Display item |
Malfunction detected condition |
Possible cause |
| C1601 | BATTERY VOLT | When a power supply voltage to the EPS control unit is maintained at 18.2 V or more or at less than 9 V continuously for five second or more. |
|
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With CONSULT
Is DTC “C1601” detected? YES >> Proceed to diagnosis procedure. Refer to STC-20, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STC-14, "Wiring Diagram".
1.CHECK EPS CONTROL UNIT GROUND CIRCUIT

Is the inspection result normal? YES >> GO TO 2.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
2.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (1)
1. Check voltage between EPS control unit harness connector terminals and ground.

CAUTION: Never start the engine.

Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (2)
Is the inspection result normal? YES >> Perform the trouble diagnosis for ignition power supply circuit. Refer to PG-4, "Wiring Diagram — Battery Power Supply —".
NO >> Repair or replace malfunctioning parts.
4.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (3)

CAUTION: Never start the engine.

Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5.
5.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (4)
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit. Refer to PG-4, "Wiring Diagram — Battery Power Supply —".
NO >> Repair or replace malfunctioning parts.
6.CHECK TERMINALS AND HARNESS CONNECTORS
Check the EPS control unit pin terminals for damage or loose connection with harness connector.
Is the inspection result normal? YES >> EPS control unit is malfunctioning. Replace steering column assembly. Refer to STC-36, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
C1604 torque sensorPreparation
Special Service Tools
The actual shape of the tools may differ from those illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
(J-44321)
Fuel pressure gauge
kit
Checks fuel pressure
KV10120000
Fuel tube adapter
...
B2205 vehicle speed
Description
Vehicle speed signal is transmitted from ABS actuator and electric unit
(control unit) via CAN communication
line to combination meter.
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT
Detection Condition
Possible Cause
B2205
VEHICLE SPEED CIRC ...
Coil spring
Exploded View
Upper seat
Coil spring
Lower seat
Rubber washer (LH/RH)
Rear suspension arm
Front
Removal and Installation - FWD
REMOVAL
Remove the rear wheel and tire using power tool.
Remove the bolt and separate the rear wheel sensor from the wheel h ...