Operation CHARM
: Car repair manuals for everyone.
Home
>>
Nissan-Datsun
>>
1989
>>
Stanza L4-1974cc 2.0L SOHC (CA20E)
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Fuel Delivery and Air Induction
>>
Relays and Modules - Fuel Delivery and Air Induction
>>
Main Relay (Computer/Fuel System)
>>
Description and Operation
>>
Polarity Protection Relay, ECM
Polarity Protection Relay, ECM
The safety relay, located in the
relay box
in the engine compartment, is utilized to prevent damage to the ECU in the event the battery is connected in reverse.