DESCRIPTION
DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by the blinking of the tire pressure warning light.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if a CAN communication system DTC is output.
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Result |
Proceed to |
---|---|
DTCs are not output. |
A |
DTCs are output. |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM
|
|
2. |
CHECK DTC (C2179/79) |
(a) Check if DTC C2179/79 is output.
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Result |
Proceed to |
---|---|
DTC C2179/79 is not output. |
A |
DTC C2179/79 is output. |
B |
B | ![]() |
GO TO DTC C2179/79 |
|
3. |
CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM) |
(a) Disconnect the A38 ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F41-13 (TC) - A38-33 (TC) |
Always |
Below 1 Ω |
F41-13 (TC) or A38-33 (TC) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
INSPECT DLC3 TERMINAL VOLTAGE (TC VOLTAGE) |
(a) Reconnect the A38 ECM connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPLACE ECM
|
Toyota CH-R Service Manual > Can Communication System: ECM Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
ECM Communication Stop Mode
Any of the following conditions are met:
Communication stop for "ECM (Engine)" is indicated on the "Communication
Bus Check&quo ...
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Pressure Control Solenoid "J" Performance or Stuck Off (P2820)
DESCRIPTION
According to current control by the ECM, the shift solenoid valve SLP controls
primary pulley pressure in accordance with the requested gear ratio to perform gear
ratio changes.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...