One Mirror Does Not Operate In Up/Down Positions

(LEFT/RIGHT POSITIONS OPERATE NORMALLY)

1. If left mirror does not operate, place mirror select switch in left position. Using a test light, backprobe mirror control switch connected connector, between terminals "C" and "E". See MIRROR CONTROL SWITCH CONNECTOR TERMINALS  table under ONE MIRROR DOES NOT OPERATE IN UP/DOWN OR LEFT/RIGHT POSITION. Toggle mirror position switch to up position, and go to step 3).
2. If right mirror does not operate, place mirror select switch in right position. Using a test light, backprobe mirror control switch connected connector, between terminals "C" and "F". See MIRROR CONTROL SWITCH CONNECTOR TERMINALS  table under ONE MIRROR DOES NOT OPERATE IN UP/DOWN OR LEFT/RIGHT POSITION. Toggle mirror position switch to up position, and go to next step.
3. If test light does not come on, check mirror control switch connector. If connector is okay, replace mirror control switch. If test light comes on, backprobe suspect outside mirror connector between terminals "C" and "D". Toggle mirror position switch to up position. If test light comes on, go to step 5). If test light does not come on, check suspect outside mirror connector. If connector is okay, replace suspect outside mirror drive unit. See OUTSIDE MIRROR CONNECTOR TERMINALS  table under ONE MIRROR DOES NOT OPERATE IN UP/DOWN OR LEFT/RIGHT POSITION.
4. On Firebird, if test light comes on, check left mirror for an open in Yellow wire circuit between mirror control switch connector terminal "C" and suspect outside mirror connector terminal "D". If circuit is okay, check for an open in circuit between mirror control switch connector and suspect outside mirror connector terminal "C". See OUTSIDE MIRROR CONNECTOR TERMINALS table. See MIRROR CONTROL SWITCH CONNECTOR TERMINALS  table under ONE MIRROR DOES NOT OPERATE IN UP/DOWN OR LEFT/RIGHT POSITION.