Test 15: Outside Temperature Display Abnormal

Check A/C ECU operation. Replace as needed. If A/C ECU is okay, check CIG fuse. If fuse is okay, go to next step. If fuse is blown, replace fuse and recheck. If fuse blows, disconnect connector "A" and replace fuse again. If fuse blows again, repair short in wiring. If fuse is okay, replace circuit plate and retest.

2) Check twin trip and odometer switch operation while driving. If switch does not work, go to TEST 13, step 2). If switch is okay, disconnect connector "D". Check continuity between connector "D" terminal No. 19 and switch terminal No. 5. If continuity does not exist, repair wiring. If continuity exists, check continuity between connector "D" terminal No. 21 and A/C ECU connector "A" terminal No. 11. If continuity does not exist, repair wiring. If continuity exists, replace circuit plate and retest.