DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Certification ECU Communication Stop Mode |
Any of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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DTC check procedure: Turn the ignition switch to ON and wait at least approximately 20 seconds.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the certification ECU (smart key ECU assembly) connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F1-4 (+B) - Body ground |
Always |
11 to 14 V |
F1-15 (CUTB) - Body ground |
Always |
11 to 14 V |
OK |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Toyota CH-R Service Manual > Navigation System: Radio Broadcast cannot be Received or Poor Reception
WIRING DIAGRAM
for TMMT Made
for TMC Made
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or
maintenance, performing initialization, registration or calibration may
be needed. Refer to Precaution for Navigation System.
Cl ...
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Acceleration Sensor Circuit (P1585)
DESCRIPTION
The ECM determines the vehicle inclination based on a signal from the airbag
sensor assembly (yaw rate and acceleration sensor). If a malfunction in the airbag
sensor assembly (yaw rate and acceleration sensor) is determined based on a malfunction
signal from the skid control ECU ...