DESCRIPTION
The radio and display receiver assembly and map light assembly (telephone microphone assembly) are connected to each other using the microphone connection detection signal lines.
This DTC is stored when a microphone connection detection signal line is disconnected.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
B1579 |
Voice Recognition Microphone Disconnected |
Telephone microphone signal is lost. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
|
2. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)) |
(a) Disconnect the F134 DCM (telematics transceiver) connector.
(b) Disconnect the R2 map light assembly (telephone microphone assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F134-35 (MIC-) - R2-7 (MCO-) |
Always |
Below 1 Ω |
F134-35 (MIC-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER)) |
(a) Disconnect the F131 radio and display receiver assembly connector.
(b) Disconnect the F134 DCM (telematics transceiver) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F131-22 (MIN-) - F134-19 (MCO-) |
Always |
Below 1 Ω |
F131-22 (MIN-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)) |
(a) Disconnect the F131 radio and display receiver assembly connector.
(b) Disconnect the R2 map light assembly (telephone microphone assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F131-25 (SNS2) - R2-1 (SNS2) |
Always |
Below 1 Ω |
F131-25 (SNS2) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
INSPECT DCM (TELEMATICS TRANSCEIVER) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
|
6. |
INSPECT MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY) |
(a) Remove the map light assembly (telephone microphone assembly).
Click here
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE MAP LIGHT ASSEMBLY |
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance (P0841,P2829)
DESCRIPTION
The ECM controls the secondary oil pressure based on the secondary oil pressure
signal output by the oil pressure sensor.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
Memory
P0841
...
Toyota CH-R Service Manual > Continuously Variable Transaxle Fluid: Adjustment
ADJUSTMENT
PROCEDURE
1. PRECAUTIONS AND WORK DESCRIPTION
(a) The K114 continuously variable transaxle assembly does not have an oil filler
tube or oil level gauge. When adding fluid, add fluid through the refill hole in
the continuously variable transaxle assembly. The fluid level can be adju ...