Diagnosis/troubleshooting PSM 5.3

DIAGNOSIS/TROUBLESHOOTING PSM 5.3 (FAULT CODE 5267)

Work instruction			Display OK	If not OK
1	Check line for short circuit to B+	Switch off ignition Pull plug out from PSM control module and from the PSM hydraulic unit Switch on ignition Measure voltage between plug on PSM control module pin 50 and ground	< 0.3V Step 2	Repair wiring harness ->End
2	Check line for short circuit to ground	Switch off ignition Measure resistance between plug on PSM control module pin 50 and ground	Step 3	Repair wiring harness ->End
3	Check line for open circuit	Switch off ignition Measure resistance between plug on PSM control module pin 50 and plug on PSM hydraulic unit pin 6	< 5 Step 4	Repair wiring harness ->End
4	PSM hydraulic unit faulty		->End