Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check short to ground in signal circuit

IG "OFF". Disconnect A/C pressure sensor and PCM connector.
Measure resistance between signal terminal of A/C pressure sensor harness connector and chassis ground.
Specification: Infinite
Is resistance within specification?
YES
- Go to next step below.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check open in power circuit

IG "OFF". Disconnect A/C pressure sensor and PCM connector.
IG "ON".
Measure resistance between both ends of signal line.
Specification: Below 1 Ω
Is resistance within specification?
YES
- Go to next step below.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.