Toyota CH-R Service Manual: How To Proceed With Troubleshooting

Toyota CH-R Service Manual / K114 Cvt / Continuously Variable Transaxle System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

(a) Refer to How to Troubleshoot ECU Controlled Systems in Introduction.

Click here

3.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

HINT:

If the voltage is below 11 V, recharge or replace the battery before proceeding.

4.	CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

CAN Bus Check

HINT:

Refer to CAN Bus Check for the CAN communication system.
Click here
The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.

Result	Proceed to
CAN communication DTCs are not output.	A
CAN communication DTCs are output.	B

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check/Clear.

Click here

6.	SETTING CHECK MODE DIAGNOSIS*

(a) Refer to Check Mode Procedure.

Click here

7.	CHECK FOR DTC*

(a) Proceed to DTC Check/Clear.

Click here

Powertrain > Engine and ECT > Trouble Codes

Result	Proceed to
DTCs are not output.	A
DTCs are output.	B

GO TO STEP 14

8.	BASIC INSPECTION

(a) Refer to Continuously Variable Transaxle Fluid.

Click here

(b) Refer to Park/Neutral Position Switch.

Click here

GO TO STEP 11

9.	PROBLEM SYMPTOMS CONFIRMATION

(a) Refer to Road Test.

Click here

(b) Refer to Mechanical System Tests.

Click here

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 11

10.	SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

11.	COMPONENT INSPECTION

12.	REPAIR OR REPLACEMENT

13.	CONFIRMATION TEST

END

14.	DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

15.	CIRCUIT INSPECTION*

16.	IDENTIFICATION OF PROBLEM

17.	REPAIR OR REPLACEMENT

18.	CONFIRMATION TEST

END

SYSTEM DESCRIPTION SYSTEM DESCRIPTION (a) The K114 (CVT) is a fully electrohydraulically controlled steel belt type continuously variable transaxle. This is a highly efficient transaxle that is co ...

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