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 TEST listed in CONTINUOUS MEMORY CODE REFERENCE .

CONTINUOUS MEMORY CODE REFERENCE

Service Code

Circuit Test & Step No.

112

TEST DA , Step 90)

6113

TEST DA , Step 90)

6117

TEST DA , Step 90)

118

TEST DA , Step 90)

122

TEST DH , Step 94)

123

TEST DH , Step 90)

126

TEST DF , Step 90)

157

TEST DC , Step 10)

158

TEST DC , Step 20)

172

TEST H , Step 1)

173

TEST H , Step 1)

194

TEST H , Step 5)

195

TEST H , Step 5)

211

TEST N , Step 1)

212

TEST N , Step 3)

215

⁽¹⁾

6216

⁽¹⁾

217

⁽¹⁾

218

⁽¹⁾

222

⁽¹⁾

223

⁽¹⁾

224

⁽¹⁾

232

⁽¹⁾

238

⁽¹⁾

338

TEST DA , Step 100)

339

TEST DA , Step 101)

452

TEST DP , Step 1)

511

⁽²⁾

512

TEST QB , Step 1)

513

⁽²⁾

525

TEST FA , Step 1)

528

TEST FA , Step 1)

536

TEST FD , Step 90)

543

TEST J , Step 93)

556

TEST J , Step 95)

998

⁽³⁾

No Codes Or Codes Not Listed

TEST QA , Step 1)

⁽¹⁾	See IGNITION SYSTEM in I - SYS/COMP TESTS - FUEL INJECTION article for EDIS test procedures.

⁽²⁾	Replace ECA.

⁽³⁾	Perform KOEO SELF-TEST.