Circuit Open/Short Inspection - Mazda CX-7 2007 Workshop Manual

Circuit Open/Short Inspection

2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M
2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N
2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O
2BH 2BD 2AZ 2AV 2AR 2AN 2AJ 2AF 2AB 2X 2T 2P
1. Disconnect the PCM connector. (See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH TC].)
2. Inspect the following wiring harnesses for an open or short circuit. (Continuity check)
Open circuit
• If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
— Fuel pressure sensor terminal A and PCM terminal 2P
— Fuel pressure sensor terminal B and PCM terminal 2R
— Fuel pressure sensor terminal C and PCM terminal 2I
Short circuit
• If there is continuity, there is a short circuit. Repair or replace the wiring harness.
— Fuel pressure sensor terminal A and power supply.
— Fuel pressure sensor terminal B and power supply.
— Fuel pressure sensor terminal B and body ground.
— Fuel pressure sensor terminal C and body ground
End Of Sie
WM: HEATED OXYGEN SENSOR
01-40–36
CONTROL SYSTEM [L3 WITH TC]
PCM
WIRING HARNESS-SIDE CONNECTOR
2I 2E 2A
2J
2F 2B
2K 2G 2C
2L 2H 2D
FUEL PRESSURE SENSOR
WIRING HARNESS SIDE CONNECTOR
C
1BE 1BA 1AW 1AS 1AO 1AK 1AG 1AC 1Y 1U 1Q 1M
1BF 1BB 1AX 1AT 1AP 1AL 1AH 1AD 1Z 1V 1R 1N
1BG 1BC 1AY 1AU 1AQ 1AM 1AI 1AE 1AA 1W 1S 1O
1BH 1BD 1AZ 1AV 1AR 1AN 1AJ 1AF 1AB 1X
B A
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1I 1E 1A
1J 1F 1B
1K 1G 1C
1T 1P 1L 1H 1D
acxuuw00000086