FixVault

KOER Wiggle Test Procedure

1)  Connect test equipment. See Figure. Turn ignition off, and wait 10 seconds. Start engine. Activate self-test using jumper lead or diagnostic tester. Wait 10 seconds, and deactivate and then reactivate self-test. DO NOT turn engine off. KOER wiggle test mode is now activated.

2)  Tap, move and wiggle suspect sensor and/or harness area. If a fault is detected, a service code may be stored in memory and indicated at the diagnostic tester or scan tester. If voltmeter is used, needle will sweep. If using CHECK ENGINE light, light will come on. Record code, and perform CIRCUIT TEST listed in CONTINUOUS MEMORY CODE REFERENCE.

CONTINUOUS MEMORY CODE REFERENCE

Service Code Circuit Test & Step No.
112 DA, Step 10)
113 DA, Step 10)
117 DA, Step 10)
118 DA, Step 10)
121 G, Step 1)
122 DH, Step 16)
123 DH, Step 12)
124 G, Step 1)
125 G, Step 1)
139 H, Step 1)
144 H, Step 1)
157 DC, Step 4)
158 DC, Step 15)
171 H, Step 1)
172 H, Step 1)
173 H, Step 1)
174 H, Step 1)
175 H, Step 1)
176 H, Step 1)
177 H, Step 1)
178 H, Step 1)
179 HA, Step 1)
180 HA, Step 1)
181 HA, Step 1)
182 HA, Step 1)
183 HA, Step 1)
184 G, Step 5)
185 G, Step 5)
186 G, Step 7)
187 G, Step 7)
188 HA, Step 1)
189 HA, Step 1)
191 HA, Step 1)
192 HA, Step 1)
211 N, Step 1)
212 N, Step 3)
214 DR, Step 3)
215 (1) *
216 (1) *
217 (1) *
218 (1) *
219 P, Step 1)
222 (1) *
224 (1) *
232 (1) *
238 (1) *
326 DL, Step 15)
327 DL, Step 31)
332 DL, Step 40)
337 DL, Step 31)
338 DA, Step 13)
339 DA, Step 14)
452 DP, Step 1)
511 (2) *
512 QB, Step 1)
513 (2) *
525 TA, Step 1)
528 FA, Step 1)
542 J, Step 16)
543 J, Step 19)
556 J, Step 19)
No Codes Or Codes Not Listed QA, Step 1)
(1) See IGNITION SYSTEM in appropriate SYSTEM/COMPONENT TESTS article.
(2) Replace PCM.