DTC 04

id070200802200

DTC 04 | Solar radiation sensor (LH) (present)
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POSSIBLE CAUSE | • Light amount shone on the solar radiation sensor is insufficient (Circuit is normal) • Solar radiation sensor malfunction • Open or short circuit between solar radiation sensor and front climate control unit

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | • Inspect solar radiation sensor. (See SOLAR RADIATION SENSOR INSPECTION.) • Is it okay? | Yes | Go to the next step.
No | Replace solar radiation sensor. (See SOLAR RADIATION SENSOR REMOVAL/INSTALLATION.)
2 | • Disconnect front climate control unit connector (16-pin) and solar radiation sensor connector. • Is there continuity between following terminals of front climate control unit connector (16-pin) and terminal solar radiation sensor connector? ― 2M—C ― 2B—A | Yes | Repair wiring harness.
No | Go to the next step.
3 | • Is there short circuit to ground between terminal 2M of front climate control unit connector (16-pin) and terminal C of solar radiation sensor connector? | Yes | Repair wiring harness.
No | Inspect the connection of the front climate control unit connector.