B1125

DTC B1125

DTC Detecting Condition and Trouble Area






Circuit Diagram

CVT model










M/T model










DTC Confirmation Procedure

CVT model

1) Push engine switch to change ignition mode to "ON" and leave ignition mode in "ON" for 30 seconds.

M/T model

2) Push engine switch to change ignition mode to "ON".
3) Depress clutch pedal fully for 3 seconds or more.
4) Release clutch pedal.

DTC Troubleshooting

CVT model


1. DTC check
Is any DTC other than B1125 detected?
YES
Go to troubleshooting for applicable DTC.
NO
Go to Step 2.
2. DTC check
Check DTC in TCM. CVT
Is there any DTC(s) detected?
YES
Go to troubleshooting for applicable DTC.
NO
Go to Step 3.
3. Transmission range sensor signal circuit check
Push engine switch to change ignition mode to "OFF".
Disconnect transmission range sensor, "C01", "E01", "E04" and "L01" connectors.
Check for proper terminal connection to transmission range sensor, "C01", "E01", "E04" and "L01" connectors.
If connections are OK, check the following points.
Resistance of "A1" circuit: less than 3
Resistance between "A1" circuit and ground: infinity
Resistance between "A1" circuit terminal and each terminal at transmission range sensor connector: infinity
Are they in good condition?
YES
Go to Step 4.
NO
Repair or replace defective wire harness.
4. P position switch signal circuit check
Check "A2" circuit according to Step 1 of B1126 DTC B1126.
Are they in good condition?
YES
Go to Step 5.
NO
Repair or replace defective wire harness.
5. Transmission range sensor check
Check transmission range sensor. Transmission Range Sensor Inspection
Is it in good condition?
YES
Go to Step 6.
NO
Replace transmission range sensor. Transmission Range Sensor Removal and Installation
6. P position switch check
Check P position switch. Testing and Inspection
Is it in good condition?
YES
Replace keyless start control module and recheck DTC. Service and Repair
NO
Replace select lever. Select Lever Assembly Removal and Installation

M/T model


1. DTC check
Is any DTC other than B1125 detected?
YES
Go to troubleshooting for applicable DTC.
NO
Go to Step 2.
2. CPP switch signal circuit check
Push engine switch to change ignition mode to "OFF".
Disconnect CPP switch, "C01", "E01", "E04" and "L01" connectors.
Check for proper terminal connection to CPP switch, "C01", "E01", "E04" and "L01" connectors.
If connections are OK, check the following points.
Resistance of "A1" circuit: less than 3
Resistance between "A1" circuit and ground: infinity
Resistance between "A1" circuit terminal and each terminal at CPP switch connector: infinity
Are they in good condition?
YES
Go to Step 3.
NO
Repair or replace defective wire harness.
3. CPP switch (for cruise control) signal circuit check
Disconnect CPP switch (for cruise control) connector.
Check for proper terminal connection to CPP switch (for cruise control), "E04" and "L01" connectors.
If connections are OK, check the following points.
Resistance of "A2" circuit: less than 3
Resistance between "A2" circuit and ground: infinity
Resistance between "A2" circuit terminal and each terminal at CPP switch (for cruise control) connector: infinity
Are they in good condition?
YES
Go to Step 4.
NO
Repair or replace defective wire harness.
4. CPP switch check
Check CPP switch. CPP Switch Inspection and Adjustment
Is it in good condition?
YES
Go to Step 5.
NO
Replace CPP switch. CPP Switch Removal and Installation
5. CPP switch (for cruise control) check
Check CPP switch (for cruise control). CPP Switch (for Cruise Control) Inspection
Is it in good condition?
YES
Replace keyless start control module and recheck DTC. Service and Repair
NO
Replace CPP switch (for cruise control). CPP Switch (for Cruise Control) Removal and Installation