DTC B1260, B1261

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DTC B1260, B1261

B3E070201038W04

DTC B1260, B1261 | Solar radiation sensor system
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POSSIBLE CAUSE | • Solar radiation sensor malfunction • Open or short circuit in wiring harness between climate control unit and solar radiation sensor

Diagnostic Procedure

STEP | INSPECTION | ACTION
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1 | • Inspect the solar radiation sensor. (See SOLAR RADIATION SENSOR INSPECTION.) • Is it normal? | Yes | Go to the next step.
No | Replace the solar radiation sensor. (See SOLAR RADIATION SENSOR REMOVAL/INSTALLATION.)

2

• Disconnect the climate control unit connector and the solar radiation sensor connector.
• Is there continuity between the following terminals of the climate control unit and the solar radiation sensor?

  - S-B
  - P-A

Yes

Go to the next step.

No | Repair the wiring harness.
3 | • Is there a short circuit to ground in the wiring harness between climate control unit terminal S and solar radiation sensor terminal B? | Yes | Repair the wiring harness.
No | Inspect the connection of the climate control unit connector. (See CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER].)