Code P1525 air bypass valve

BANFFHILLS

MEMBER
2000 MAZDA MILLENIA
170,000 MILES

Mazda millenia 2000 used diagnostic tool and getting the code p1525 air bypass valve. Fuel sys#1 OL fault calc load 78.4 ect 15 engine rpm 684

Wednesday, October 10th, 2012 AT 6:36 AM

1 Reply

KHLOW2008

MECHANIC
41,814 POSTS

DTC P1525: AIR BY-PASS SOLENOID VALVE (VACUUM), OPEN OR SHORT CIRCUIT

Condition

DTC is set when open or short circuit is detected in air by-pass solenoid valve (vacuum) when ignition is on. Possible causes are:

Air by-pass solenoid valve (vacuum) malfunction.

Open or short of Red/Black wire between terminal "A" on air by-pass solenoid valve (vacuum) and terminal "D" on main relay.

Open or short of White/Red wire between terminal "B" on air by-pass solenoid valve (vacuum) and terminal No. 2M on Powertrain Control Module (PCM).