DTC DETECTION LOGIC
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 "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to STC "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 terminal and ground.
2. Turn ignition switch ON.
CAUTION: Never start the engine.
3. Check voltage between EPS control unit
harness connector and ground.
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 "Wiring Diagram - Ignition Power Supply -".
NO >> Repair or replace malfunctioning component.
4.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (3)
3. Turn ignition switch ON.
CAUTION: Never start the engine.
4. Check voltage between EPS control unit
harness connector and ground.
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 "Wiring Diagram - Battery Power Supply -".
NO >> Repair or replace malfunctioning component.
6.CHECK CONNECTOR
Is the inspection result normal?
YES >> Replace EPS control unit. Refer to STC "Removal and Installation".
NO >> Repair or replace malfunctioning component.
Air bags, seat belts and child restraints
1. Supplemental air bag modules
2. Roof-mounted curtain side-impact and
rollover supplemental air bag
3. Front seat-mounted side-impact
supplemental air bag
4. Front seat belt with pretensioner(s) and
shoulder height adjuster
5. Head restraints/headrests
6. Rear seat belts
7. LATCH (Low ...
Ignition timing
Inspection
1.CHECK IGNITION TIMING
1. Attach timing light (A) to loop wire (1) as
shown.
2. Check ignition timing.
1 : Timing indicator
>> INSPECTION END
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