Toyota 4Runner: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Smart Key System (for Start Function)|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B2271 |
Ignition Hold Monitor Malfunction |
- AM2 fuse - Main body ECU (Driver side junction block assembly) (IG1 relays) - No. 1 integration relay (IG2 relay) - Power management control ECU - Harness or connector |
|
|
B2274 |
ACC Monitor Malfunction |
- AM2 fuse - Main body ECU (Driver side junction block assembly) (ACC relay) - Power management control ECU - Harness or connector |
|
|
B2277 |
Detecting Vehicle Submersion |
- Submerged power management control ECU - Power management control ECU |
|
|
B2282 |
Vehicle Speed Signal Malfunction |
- CAN communication system - Power management control ECU - Meter/gauge system - Harness or connector |
|
|
B2283 |
Vehicle Speed Sensor Malfunction |
- Power management control ECU - Meter/gauge system - Skid control ECU - Speed sensor - Harness or connector |
|
|
B2284 |
Brake Signal Malfunction |
- STOP fuse - AM2 fuse - Stop light switch assembly - Engine control system - Power management control ECU - Harness or connector |
|
|
B2285 |
Steering Lock Position Signal Circuit Malfunction |
- AM2 fuse - Steering lock actuator assembly (Steering lock ECU) - LIN communication system - Power management control ECU - Harness or connector |
|
|
B2286 |
Runnable Signal Malfunction |
- AM2 fuse - Engine control system - Power management control ECU - Harness or connector |
|
|
P0335 |
Crankshaft Position Sensor Circuit Malfunction (NE Signal) |
- AM2 fuse - Engine control system - Power management control ECU - Harness or connector |
|
|
U0100 |
Lost Communication with ECM / PCM |
- CAN communication system - ECM |
|
|
U0129 |
Lost Communication with Brake System Control Module |
- CAN communication system - Skid control ECU |
|
|
U0142 |
Lost Communication with Main Body ECU |
- CAN communication system - Main body ECU (Driver side junction block assembly) |
|
|
U0155 |
Lost Communication with Combination Meter |
- CAN communication system - Combination meter assembly |
|
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Detecting Vehicle Submersion (B2277)
DESCRIPTION
This DTC is stored when a malfunction in the submersion monitor circuit inside
the power management control ECU is detected.
HINT:
When the power management control ECU is replaced wi ...
Steering Lock Position Signal Circuit Malfunction (B2285)
DESCRIPTION
The power management control ECU and steering lock actuator (steering lock ECU)
are connected by a cable and the LIN communication line. This DTC is stored when
the steering lock posi ...
Other materials about Toyota 4Runner:
Switch Failure (B2342)
DESCRIPTION
This DTC is stored when the sliding roof drive gear sub-assembly (sliding roof
ECU) detects that the sliding roof switch in the map light assembly is stuck for
30 seconds or more.
DTC Code
DTC Detection Condition
...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system (See page
).
NOTICE:
When disconnecting the cable, s ...
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