CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
|
3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ).
Result |
Proceed to |
---|---|
CAN communication system DTCs are not output |
A |
CAN communication system DTCs are output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM (w/ Central Gateway ECU) |
|
5. |
PROBLEM SYMPTOM CONFIRMATION |
|
6. |
CHECK DTC* |
(a) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTCs are output |
A |
DTCs are not output (Problem symptom does not occur) |
B |
DTCs are not output (Problem symptom occurs) |
C |
B |
GO TO STEP 8 |
C |
GO TO STEP 9 |
|
7. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Refer to Diagnostic Trouble Code Chart (See page ).
NEXT |
GO TO STEP 11 |
8. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation (See page
).
|
9. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page ).
Result |
Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table |
A |
Fault is listed in Problem Symptoms Table |
B |
B |
GO TO STEP 11 |
|
10. |
OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Operation Check (See page )
(b) Terminals of ECU (See page )
(c) Data List / Active Test (See page )
|
11. |
CIRCUIT INSPECTION* |
|
12. |
IDENTIFICATION OF PROBLEM |
|
13. |
REPAIR OR REPLACE |
|
14. |
CONFIRMATION TEST* |
NEXT |
END |
Replacement
REPLACEMENT
PROCEDURE
1. REPLACE INTAKE VALVE GUIDE BUSH
(a) Heat the cylinder head to approximately 80 to 100°C (176 to 212°F).
(b) Place the cylinder head on wooden blocks.
(c) Using SST and a hammer, tap out the valve guide bush.
SST: 0 ...
Motor Circuit Malfunction (C1521,C1531-C1534,C1554)
DESCRIPTION
If the power steering ECU detects these DTCs, it will shut off the motor relay
circuit (built into the power steering ECU) and stop power assist. However, power
assist continues if DTC C1533 or C1534 is stored.
DTC No.
D ...
Front Left Sensor Malfunction (C1AE1)
DESCRIPTION
The No. 1 ultrasonic sensor (front left sensor) is installed on the front bumper.
The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor
(front left sensor). If the No. 1 ultrasonic sensor (front left sensor) has ...